CN220352818U - Protective barrel sag control mechanism for water construction platform - Google Patents

Abstract

The utility model discloses a pile casing sag control mechanism for a water construction platform, which comprises at least three limiting frames uniformly distributed on the platform along the circumferential direction of an operation hole, wherein each limiting frame comprises a bottom plate, one end of the bottom plate is provided with a plurality of rollers which are vertically distributed and used for abutting against the pile casing through a supporting rod, and the end of the bottom plate is also provided with a fastening mechanism which is fixedly connected with the platform. Through setting up buckle mechanism, utilize its and bottom plate centre gripping platform jointly to make sagging control mechanism and platform can form fixed connection, when the protective casing transversely pushes away sagging control mechanism, can resist with it with the help of the platform, thereby avoid sagging control mechanism to take place lateral shifting and lose limiting displacement. For fix with the mode that utilizes nail or borer to insert ground among the prior art, this application then adopts buckle mechanism to be connected with the platform to thereby can overcome among the prior art nail or borer can't insert steel platform be difficult to be applicable to the technical problem of construction platform on water.

Description

Protective barrel sag control mechanism for water construction platform

Technical Field

The utility model mainly relates to the technical field of pile casing construction sag control devices, in particular to a pile casing sag control mechanism for a water construction platform.

Background

When a bored pile of an overwater bridge is constructed, a steel trestle is generally erected first, and a steel construction platform is erected laterally of the steel trestle to provide an operation site for instruments and personnel. The construction platform is provided with a working hole right above the bridge pile foundation point, and the steel casing is vertically inserted from the working hole and penetrates into the water bottom soil body, so that the orifice is protected. In order to avoid interference between the casing and the drill bit, the sagging of the casing when the casing is inserted into the drill bit is ensured, so that the casing is regulated and controlled by a sagging control mechanism.

In the prior art, a mechanism for controlling the sagging of the casing is fixed by inserting nails or drills into the ground, and the water construction platform is of a steel structure, so that the nails or drills cannot be inserted, and the mechanism is not suitable for use. Therefore, there is a need for a casing sag control mechanism that can form a fixed location with the aid of a service hole that is suitable for use with a water construction platform.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a pile casing sagging control mechanism for a water construction platform.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a water construction platform is with protecting a section of thick bamboo sag control mechanism, includes along the circumference equipartition of working hole at least three spacing on the platform, the spacing includes the bottom plate, bottom plate one end is installed a plurality of vertical arranging, is used for supporting the gyro wheel of protecting a section of thick bamboo through branch, and this end still is equipped with the buckle mechanism that is used for forming fixed connection with the platform.

As a further improvement of the above technical scheme:

the first supporting rod used for connecting one of the rollers is fixedly connected with the bottom plate, and the second supporting rod used for connecting the other roller is hinged with the bottom plate and forms locking with the bottom plate through the supporting rod.

And the second supporting rod faces away from the pile casing and the top surface of the bottom plate are provided with lugs, and two ends of the supporting rod are in butt joint with the lugs.

The stay bar is arranged as a telescopic bar with a locking function.

The clamping mechanism is L-shaped, and the clamping mechanism and the bottom plate jointly clamp the platform to form fixed connection.

The clamping mechanism comprises a clamping piece, the clamping piece is L-shaped, a vertical section of the clamping piece is arranged into a screw rod and penetrates through a vertical hole formed in one end of the bottom plate, a fastening nut is screwed above the bottom plate on the vertical section, and the fastening nut can drive a transverse section below the platform to move vertically through adjustment, so that the platform is clamped together with the bottom plate to form fixed connection.

The transverse section is arranged in a plate shape.

Two vertical screw holes are formed in the bottom plate at intervals along the length direction, an adjusting screw rod is connected in each screw hole in a threaded mode, and the inclination angle of the bottom plate along the length direction can be changed by rotating the adjusting screw rods.

And a bubble level is fixed on the upper surface of the bottom plate.

Compared with the prior art, the utility model has the advantages that:

through setting up buckle mechanism, utilize its and bottom plate centre gripping platform jointly to make sagging control mechanism and platform can form fixed connection, when the protective casing transversely pushes away sagging control mechanism, can resist with it with the help of the platform, thereby avoid sagging control mechanism to take place lateral shifting and lose limiting displacement. For fix with the mode that utilizes nail or borer to insert ground among the prior art, this application then adopts buckle mechanism to be connected with the platform to thereby can overcome among the prior art nail or borer can't insert steel platform be difficult to be applicable to the technical problem of construction platform on water.

Drawings

FIG. 1 is a schematic view of the construction of a sag control mechanism in embodiment 1;

FIG. 2 is a schematic illustration of the cooperation of the sag control mechanism with the casing of example 1;

FIG. 3 is a schematic view (front view) of the sagging control mechanism of embodiment 2;

FIG. 4 is a schematic view (top view) of the sagging control mechanism of embodiment 2;

FIG. 5 is a schematic partial cross-sectional view of A-A of FIG. 4;

FIG. 6 is a schematic view (front view) showing the cooperation of the sag control mechanism with the casing according to embodiment 2;

fig. 7 is a schematic view (top view) showing the engagement of the sagging control mechanism with the casing in embodiment 2.

The reference numerals in the drawings denote: 1. a platform; 11. a working hole; 2. a limiting frame; 21. a bottom plate; 22. a support rod; 221. a first supporting rod; 222. a second supporting rod; 223. a brace rod; 23. a roller; 24. a buckle mechanism; 241. a clamping member; 2411. a vertical section; 2412. a transverse section; 242. a vertical hole; 243. fastening a screw cap; 25. a wire hole; 26. adjusting a screw rod; 27. a bubble level; 3. and (5) protecting the cylinder.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

Example 1

As shown in fig. 1 and 2, the pile casing sag control mechanism for a water construction platform of this embodiment includes four limiting frames 2 uniformly distributed on a platform 1 along the circumferential direction of a working hole 11, the limiting frames 2 include a bottom plate 21, one end of the bottom plate 21 is provided with a plurality of rollers 23 which are vertically arranged and are used for abutting against a pile casing 3 through struts 22, and the end is further provided with a fastening mechanism 24 which is used for forming fixed connection with the platform 1. Specifically, the snap mechanism 24 is "L" shaped, which cooperates with the base plate 21 to clamp the platform 1 to form a fixed connection. Through setting up buckle mechanism 24, utilize it and bottom plate 21 centre gripping platform 1 jointly to make sagging control mechanism and platform 1 can form fixed connection, when barrel casing 3 transversely pushes away sagging control mechanism, can resist with it with the help of platform 1, thereby avoid sagging control mechanism takes place lateral shifting and loses limiting displacement. For the mode that utilizes nail or borer to insert ground in the prior art to fix, this application then adopts buckle mechanism 24 to be connected with platform 1 to can overcome among the prior art nail or borer can't insert steel platform thereby be difficult to be applicable to the technical problem of construction platform on water.

In this embodiment, the first strut 221 for connecting one roller 23 is fixedly connected to the base plate 21, and the second strut 222 for connecting the other roller 23 is hinged to the base plate 21 and forms a locking with the base plate 21 via the strut 223. The second strut 222 has a protrusion formed on its side facing away from the casing 3 and the top surface of the bottom plate 21, and two ends of the strut 223 are abutted against the protrusion. The stay 223 is provided as a telescopic rod having a locking function. By providing the second strut 222 in a hinged arrangement with the base plate 21, the rollers can be adjusted by rotating the second strut 222 so that the rollers remain upright. By arranging the protruding blocks, the brace 223 can form oblique support for the second support rod 222, so that the second support rod 222 is prevented from deflecting under the transverse pushing of the casing 3.

Example 2

As shown in fig. 3 to 7, a second embodiment of a casing sag control mechanism for a water construction platform according to the present utility model is basically the same as embodiment 1 except that:

in this embodiment, the fastening mechanism 24 includes a clamping member 241, the clamping member 241 is in an "L" shape, a vertical section 2411 thereof is configured as a screw rod and penetrates through a vertical hole 242 formed at one end of the bottom plate 21, a fastening nut 243 is screwed onto the vertical section 2411 above the bottom plate 21, and the fastening nut 243 can be adjusted to drive a horizontal section 2412 located below the platform 1 to move vertically, so as to clamp the platform 1 together with the bottom plate 21 to form a fixed connection. By providing the vertical segment 2411 as a clamping piece 241 of a screw, the size of the gap between the horizontal segment 2412 and the bottom plate 21 can be changed by adjusting the fastening nut 243, thereby adapting to platforms 1 of different thickness.

In this embodiment, two vertical screw holes 25 are disposed at intervals along the length direction of the bottom plate 21, an adjusting screw rod 26 is screwed into each screw hole 25, and the inclination angle of the bottom plate 21 along the length direction can be changed by rotating the adjusting screw rod 26. In this embodiment, the supporting rods 22 are fixedly connected with the bottom plate 21, so that the relative positions of the rollers 23 can be adjusted to keep vertical, two vertical screw holes 25 are formed in the bottom plate 21 along the length direction of the bottom plate, an adjusting screw rod 26 is installed in each screw hole 25, the downward detection depth of the bottom plate 21 can be changed by rotating each adjusting screw rod 26, the bottom plate 21 is driven to incline, and the rollers 23 can be adjusted to be in a vertical state. Furthermore, by increasing the depth of penetration of the adjusting screw 26, the force of extrusion with the clamping member 241 can be increased, thereby being more firmly fixed to the platform 1. Further, the present application further increases the contact area of the clamping member 241 with the bottom plate 21 by providing the transverse segment 2412 in a plate shape, thereby increasing friction and making the connection more secure. Furthermore, for the convenience of observation, a bubble level 27 is fixed on the upper surface of the bottom plate 21, and when the bubble in the bubble level 27 is centered, it can be reflected that the rollers 23 are all in a vertical state.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims (9)

1. The utility model provides a water construction platform is with protecting a section of thick bamboo sag control mechanism which characterized in that: including along circumference equipartition of operation hole (11) at least three spacing (2) on platform (1), spacing (2) include bottom plate (21), bottom plate (21) one end is installed a plurality of gyro wheels (23) that are vertical arranging, are used for supporting and lean on a section of thick bamboo (3) through branch (22), and this end still is equipped with buckle mechanism (24) that are used for forming fixed connection with platform (1).

2. The water construction platform casing sag control mechanism according to claim 1, wherein: the first support rod (221) for connecting one roller (23) is fixedly connected with the bottom plate (21), and the second support rod (222) for connecting the other roller (23) is hinged with the bottom plate (21) and forms locking with the bottom plate (21) through the support rod (223).

3. The water construction platform casing sag control mechanism according to claim 2, wherein: and the surface of the second supporting rod (222) deviating from the protective cylinder (3) and the top surface of the bottom plate (21) are respectively provided with a convex block, and the two ends of the supporting rod (223) are abutted with the convex blocks.

4. A casing sag control mechanism for a water construction platform according to claim 3, wherein: the stay (223) is configured as a telescopic rod with a locking function.

5. The water construction platform casing sag control mechanism according to any one of claims 1 to 4, wherein: the clamping mechanism (24) is L-shaped, and the clamping mechanism and the bottom plate (21) clamp the platform (1) together to form fixed connection.

6. The water construction platform casing sag control mechanism according to claim 1, wherein: the clamping mechanism (24) comprises a clamping piece (241), the clamping piece (241) is L-shaped, a vertical section (2411) of the clamping piece is arranged into a screw rod and penetrates through a vertical hole (242) formed in one end of the bottom plate (21), a fastening nut (243) is screwed on the vertical section (2411) above the bottom plate (21), and a transverse section (2412) below the platform (1) can be driven to vertically move by adjusting the fastening nut (243), so that the platform (1) is clamped together with the bottom plate (21) to form fixed connection.

7. The water construction platform casing sag control mechanism according to claim 6, wherein: the transverse section (2412) is provided in a plate shape.

8. The water construction platform casing sag control mechanism according to claim 6, wherein: two vertical screw holes (25) are formed in the bottom plate (21) at intervals along the length direction, an adjusting screw rod (26) is connected in each screw hole (25) in a threaded mode, and the inclination angle of the bottom plate (21) along the length direction can be changed by rotating the adjusting screw rod (26).

9. The water construction platform casing sag control mechanism according to claim 8, wherein: the upper surface of the bottom plate (21) is fixedly provided with a bubble level (27).