CN219568989U - Equipment for preventing mud from being clamped in pouring process for diaphragm wall construction - Google Patents

Abstract

The utility model belongs to the technical field of diaphragm wall construction, and particularly relates to equipment for preventing mud from being clamped in a pouring process for diaphragm wall construction. This equipment that in-process produced the clamp mud is pour in prevention for diaphragm wall construction through setting up at traditional detection case lower extreme opening surface mounting protector, utilizes the sleeve in protector to separate the stay cord with the opening edge of detection case, has avoided the stay cord to take place the friction at detection case surface, causes the shell wearing and tearing of stay cord and detection case to utilize the stay cord to rub with first sliding ring and second sliding ring only, and because the inboard of first sliding ring and second sliding ring is curved, reduced the friction area, simultaneously because only need change first sliding ring and second sliding ring when maintaining, reduced use cost, thereby be convenient for the characteristics that the construction check out test set protected even to the diaphragm wall.

Description

Equipment for preventing mud from being clamped in pouring process for diaphragm wall construction

Technical Field

The utility model relates to the technical field of diaphragm wall construction, in particular to equipment for preventing mud from being clamped in a pouring process for diaphragm wall construction.

Background

At present, domestic diaphragm wall construction generally adopts underwater back cover concrete construction, because the uncertainty of the underwater desilting condition and the instability of the underwater back cover are very big for burying the back cover concrete quality, in order to judge the underwater condition, intelligent floating ball measuring equipment is adopted to detect at present, this equipment judges what kind of liquid level layer is in through detecting the pulling force change of floating ball at different liquid level layers (mud layer, slurry layer and concrete layer), the floating ball can perceive buoyancy change and can record the high number of degrees value of place in the decline or rise in-process, and then but real-time supervision is surveyed the height of liquid level layer, and the floating ball line pulling force is close to zero when the floating ball reaches the concrete layer, judges as the concrete layer promptly.

The concrete elevation measurement system (publication number: CN 217949169U) for pile foundation construction disclosed on Chinese patent website solves the technical problems that the gravity of a floating ball detected by a gravity sensor is smaller than a normal value at the moment after the floating ball is lifted up by concrete due to the lack of a tensioning part for a steel wire rope in the traditional floating ball measurement mechanism, and the steel wire rope is in a loose state at the moment, so that inaccurate concrete pouring height value and large error measured by an encoder are easily caused, but the following problems still exist:

when the steel wire rope is repeatedly retracted and released at the lower end of the equipment, as the underwater concrete is not completely horizontal, the floating ball is also blocked by impurities in the slurry layer when being released, the floating ball is easy to pull the steel wire rope to incline, the steel wire rope rubs with the base of the equipment and is worn, the abrasion of the steel wire rope not only affects the detection result of the equipment, but also causes the whole equipment to be maintained and replaced due to the damage to the base of the equipment, so that the use cost of the equipment is increased, and the equipment is inconvenient to use.

Disclosure of Invention

Based on the technical problem that existing diaphragm wall construction detection equipment is easy to wear, the utility model provides equipment for preventing mud from being clamped in the pouring process for diaphragm wall construction.

The utility model provides equipment for preventing mud from being clamped in a pouring process for diaphragm wall construction, which comprises a detection box with a tension detection function and a pull rope for detection, wherein one end of the pull rope is arranged in the detection box, the tail end of the pull rope is fixedly connected with a floating ball, the floating ball is positioned below the detection box, the surface of an opening at the lower end of the detection box is provided with a protection device, and the protection device reduces the influence of friction force on measurement data by reducing friction between the pull rope and the surface of the lower end of the detection box.

Preferably, the protection device comprises a sleeve, the upper end of the sleeve is located inside the detection box, the upper surface of the sleeve is rotationally connected with a first slip ring, the inner wall of the lower end of the sleeve is rotationally connected with a second slip ring, and the first slip ring and the second slip ring are both sleeved on the surface of the pull rope.

Through the technical scheme, the inner side diameter of the first slip ring and the inner side diameter of the second slip ring are smaller than the inner side diameter of the sleeve, so that the surface of the pull rope can be conveniently rubbed with the first slip ring and the second slip ring, and the friction area is reduced.

Preferably, the lower surface of the detection box is fixedly connected with a mounting rod, and the two mounting rods are respectively positioned at two sides of the pull rope.

Through above-mentioned technical scheme, utilize the installation pole to divide to be listed as in the both sides of stay cord to the structure on installation pole surface of being convenient for acts on the stay cord.

Preferably, the opposite surfaces of the two mounting rods are provided with limit grooves, the cross sections of the limit grooves are T-shaped, and the inner side inner walls of the limit grooves are slidably connected with rollers.

Through the technical scheme, the diameter of the roller is matched with the inner side diameter of the limiting groove, so that the surface roller can be conveniently separated from the limiting groove.

Preferably, the opposite surfaces of two adjacent rollers are respectively connected with a sliding rod in a rotating way, and the outer inner wall of the limiting groove is connected with the surface of the sliding rod in a sliding way.

Through above-mentioned technical scheme, utilize the both ends of slide bar to stretch into the spacing inslot slightly to be convenient for restrict the slide bar through the spacing groove, avoid the slide bar to spin.

Preferably, a sliding groove is formed in the upper surface of the sliding rod, a pulley is rotatably connected to the inner wall of the sliding groove, and the inner wall of the pulley is sleeved on the lower end surface of the sleeve.

Through the technical scheme, the sleeve is movably arranged on the inner side of the sliding rod through the pulley, so that the sleeve can slide on the surface of the sliding rod conveniently.

The beneficial effects of the utility model are as follows:

through setting up at traditional detection box lower extreme opening surface mounting protector, utilize the sleeve in protector to separate the stay cord with the opening edge of detection box, avoided the stay cord to take place to rub at detection box surface, cause the shell wearing and tearing of stay cord and detection box, and utilize the stay cord to rub with first sliding ring and second sliding ring, and because the inboard of first sliding ring and second sliding ring is curved, the area of friction has been reduced, simultaneously because only need change first sliding ring and second sliding ring when maintaining, use cost has been reduced, thereby be convenient for even the characteristics that wall construction check out test set protected to the ground.

Drawings

FIG. 1 is a schematic diagram of an apparatus for preventing mud from being trapped during pouring for diaphragm wall construction according to the present utility model;

fig. 2 is a perspective view of a mounting rod structure of a device for preventing mud from being clamped in a pouring process for diaphragm wall construction;

FIG. 3 is a perspective view of a slide bar structure of a device for preventing mud from being clamped in a pouring process for diaphragm wall construction, which is provided by the utility model;

fig. 4 is a cross-sectional view of a sleeve structure of an apparatus for preventing mud inclusion in a casting process for diaphragm wall construction according to the present utility model;

fig. 5 is a prior art diagram of a concrete elevation measurement system for pile foundation construction.

In the figure: 1. a detection box; 2. a pull rope; 3. a floating ball; 4. a protective device; 41. a sleeve; 42. a first slip ring; 43. a second slip ring; 44. a mounting rod; 45. a limit groove; 46. a roller; 47. a slide bar; 48. a chute; 49. and (3) a pulley.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a device for preventing mud from being clamped in pouring process for diaphragm wall construction comprises a detection box 1 with a tension detection function and a pull rope 2 for detection, wherein one end of the pull rope 2 is installed inside the detection box 1, the tail end of the pull rope 2 is fixedly connected with a floating ball 3, the floating ball 3 is located below the detection box 1, a protection device 4 is installed on the surface of an opening at the lower end of the detection box 1, and the protection device 4 reduces the influence of friction force on measured data by reducing friction between the pull rope 2 and the surface of the lower end of the detection box 1.

For protecting the surface of the pull rope 2, the protecting device 4 comprises a sleeve 41, the upper end of the sleeve 41 is located inside the detection box 1, a first slip ring 42 is rotationally connected to the upper surface of the sleeve 41, a second slip ring 43 is rotationally connected to the inner wall of the lower end of the sleeve 41, the first slip ring 42 and the second slip ring 43 are sleeved on the surface of the pull rope 2, the inner diameter of the first slip ring 42 and the inner diameter of the second slip ring 43 are smaller than the inner diameter of the sleeve 41, and therefore the surface of the pull rope 2 is convenient to rub with the first slip ring 42 and the second slip ring 43 only, and the friction area is reduced.

In order to avoid obstructing the movement of the pull rope 2, the lower surface of the detection box 1 is fixedly connected with the mounting rods 44, the two mounting rods 44 are respectively positioned at two sides of the pull rope 2, the mounting rods 44 are respectively arranged at two sides of the pull rope 2, thereby the structure on the surface of the mounting rods 44 is convenient for acting on the pull rope 2, the opposite surfaces of the two mounting rods 44 are respectively provided with the limit grooves 45, the section of each limit groove 45 is in a T shape, the inner side inner wall of each limit groove 45 is slidably connected with the corresponding roller 46, the diameter of each roller 46 is matched with the inner side diameter of each limit groove 45, so that the surface roller 46 is convenient to deviate from the corresponding limit groove 45, the opposite surfaces of the two adjacent rollers 46 are rotatably connected with the corresponding slide bars 47, the outer side inner wall of each limit groove 45 is slidably connected with the surface of the corresponding slide bar 47, the two ends of each slide bar 47 slightly extend into the corresponding limit grooves 45, so that the slide bars 47 are convenient to limit the corresponding slide bars 47, the slide bars 47 are prevented from being carried out, the upper surfaces of the slide bars 47 are provided with the corresponding slide grooves 48, the inner walls of the corresponding slide grooves 48 are rotatably connected with the corresponding pulleys 49, the inner walls of the corresponding slide grooves 49 are sleeved on the lower end surfaces of the corresponding sleeve 41, and the corresponding sleeve 41 are movably mounted on the inner side surfaces of the corresponding slide bars 41 through the corresponding slide grooves 49, and the corresponding inner side surfaces of the corresponding slide grooves 46 are movably mounted on the corresponding inner side surfaces of the corresponding slide grooves 47.

Through setting up at traditional detection case 1 lower extreme opening surface mounting protector 4, utilize sleeve 41 in protector 4 to separate the stay cord 2 with the open edge of detection case 1, avoided stay cord 2 to take place the friction at detection case 1 surface, cause the shell wearing and tearing of stay cord 2 and detection case 1, and utilize stay cord 2 only with first sliding ring 42 and second sliding ring 43 to rub, and because the inboard of first sliding ring 42 and second sliding ring 43 is curved, the area of friction has been reduced, simultaneously because only need change first sliding ring 42 and second sliding ring 43 when maintaining, use cost has been reduced, thereby be convenient for even the characteristics that wall construction check out test set protected.

Working principle:

the detection direction is used for throwing the floating ball 3 through the pull rope 2, so that the floating ball 3 is submerged in water, the liquid level layer is judged by detecting the tension change of the floating ball 3 in the slurry layer, the slurry layer and the concrete layer, the floating ball 3 can sense the buoyancy change and record the height value in the descending or ascending process, and then whether the mud is clamped or not is judged;

in the process of winding and unwinding the pull rope 2, the floating ball 3 moves underwater and drives the pull rope 2 to incline, the pull rope 2 drives the sleeve 41 to move in the chute 48 through the first slip ring 42 and the second slip ring 43, the surface of the pull rope 2 rubs with the surfaces of the first slip ring 42 and the second slip ring 43, and when the inclination direction of the pull rope 2 changes, the sleeve 41 drives the sliding rod 47 to slide on the inner wall of the limiting groove 45.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a device that in-process produced clamp mud is pour in prevention for diaphragm wall construction, includes detection case (1) and stay cord (2) that detect usefulness that have pulling force detection function, the inside in detection case (1) is installed to the one end of stay cord (2), the terminal fixedly connected with floater (3), its characterized in that of stay cord (2): the floating ball (3) is located below the detection box (1), a protection device (4) is mounted on the surface of the opening at the lower end of the detection box (1), and the protection device (4) reduces the influence of friction force on measurement data by reducing friction between the pull rope (2) and the lower end surface of the detection box (1).

2. The apparatus for preventing mud inclusion in casting of diaphragm wall construction according to claim 1, wherein: the protection device (4) comprises a sleeve (41), the upper end of the sleeve (41) is located inside the detection box (1), a first slip ring (42) is rotationally connected to the upper surface of the sleeve (41), a second slip ring (43) is rotationally connected to the inner wall of the lower end of the sleeve (41), and the first slip ring (42) and the second slip ring (43) are both sleeved on the surface of the pull rope (2).

3. The apparatus for preventing mud inclusion in casting for diaphragm wall construction according to claim 2, wherein: the lower surface of the detection box (1) is fixedly connected with mounting rods (44), and the two mounting rods (44) are respectively positioned at two sides of the pull rope (2).

4. The apparatus for preventing mud inclusion in casting for diaphragm wall construction according to claim 3, wherein: limiting grooves (45) are formed in the opposite surfaces of the two mounting rods (44), the cross section of each limiting groove (45) is T-shaped, and idler wheels (46) are slidably connected to the inner side inner walls of the limiting grooves (45).

5. The apparatus for preventing mud inclusion in casting of diaphragm wall construction according to claim 4, wherein: the opposite surfaces of two adjacent rollers (46) are respectively connected with a sliding rod (47) in a rotating mode, and the outer inner wall of the limiting groove (45) is connected with the surface of the sliding rod (47) in a sliding mode.

6. The apparatus for preventing mud inclusion in casting of diaphragm wall construction according to claim 5, wherein: the upper surface of slide bar (47) has seted up spout (48), the inner wall of spout (48) rotates and has linked pulley (49), the inner wall of pulley (49) cup joints in the lower extreme surface of sleeve (41).