CN221630752U - Practical shaft measurement support - Google Patents

Abstract

The utility model discloses a practical vertical shaft measuring bracket, which comprises an adjustable bracket and a pulley assembly, wherein the adjustable bracket is arranged on the pulley assembly; the pulley assembly is arranged on the adjustable bracket and is provided with a steel wire rope; one end of the steel wire rope is locked on the bracket by a mechanism, the other end is connected with a heavy hammer; the top of the adjustable bracket is provided with a vibration sensor, one end of the adjustable bracket is provided with a tension sensor, and the tension sensor corresponds to the position of the steel wire rope. The utility model has extremely high applicability, can be widely applied to aspects of urban rail transit measurement, mine measurement and the like, has no cost basically in subsequent maintenance, and can be repeatedly used.

Description

Practical shaft measurement support

Technical Field

The utility model relates to the field of rail transit, in particular to a practical vertical shaft measuring bracket.

Background

In the industry that a vertical shaft is used as an excavation surface for track tunneling, such as track traffic, the ground coordinates, azimuth angle and elevation are transmitted to the underground, namely, the connection measurement is carried out, the common methods are generally a long steel wire method and a long steel rule method, and in the actual construction process, long steel pipes are welded and fixed at two ends of a foundation pit to serve as facilities for hanging the steel wires and the steel rules, so that the purpose of connection measurement is achieved.

At present, the support for connecting and measuring the suspended steel wire or steel wire in the industry has the defects of stability, convenience, safety and the like. As shown in fig. 1, in order to avoid the situation that the hanging steel wires and the steel rules are not vertical due to the shielding object, the long steel pipes are generally extended to about 2m in the foundation pit, so that great potential safety hazards exist in manual operation during hanging the steel wires and the steel rules; and the time is very consuming and inconvenient when changing the steel wire and the steel rule each time. The support is located the foundation ditch limit, hangs the weight and generally about 10 kilograms, and is sensitive to mechanical shock and wind-force influence reaction, needs sufficient stability, otherwise influences measurement efficiency and is difficult to guarantee measurement accuracy, and current most supports all have the poor problem of stability. The other supports are not convenient to move and are used flexibly because the supports are directly welded on the ground for stability, and the frames are inconvenient to detach.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a practical vertical shaft measuring bracket which has the characteristics of safety, practicability, wide applicability and the like; the method can effectively solve the problems of impractical and unsafe of the facilities used in the prior contact measurement, has extremely high applicability, can be widely used in aspects of urban rail transit measurement, mine measurement and the like, has basically no cost in subsequent maintenance, and can be repeatedly used.

The utility model discloses a practical vertical shaft measuring bracket which is realized by the following technical scheme: comprising the following steps: an adjustable bracket and pulley assembly;

The pulley assembly is arranged on the adjustable bracket and is provided with a steel wire rope; one end of the steel wire rope is locked on the bracket by the locking mechanism, and the other end of the steel wire rope is connected with a heavy hammer; the top of the adjustable bracket is provided with a vibration sensor, one end of the adjustable bracket is provided with a tension sensor, and the tension sensor corresponds to the position of the steel wire rope.

As a preferable technical scheme, the adjustable bracket comprises a bottom plate, a first main supporting tube and a second main supporting tube; the bottom plate is fixed on the ground, and the first main support pipe is arranged at the center of the bottom plate; the first main support pipe inner sleeve is provided with a first steel sleeve in an adjusting manner; the second main support pipe is transversely arranged at the upper end of the first steel sleeve, and the second main support pipe is internally and fixedly provided with the second steel sleeve.

As a preferable technical scheme, the pulley assembly comprises a pulley mounted on the second main support pipe and an end pulley mounted on the second steel sleeve, and the steel wire rope is wound on the pulley; the steel ruler is positioned at the pulley of the second main support pipe, and the heavy hammer is positioned at the pulley of the second steel sleeve.

As an optimal technical scheme, a handle is welded on the side surface of the first main support pipe, and a locking structure is arranged on the handle; the locking structure is a locking screw, and the length of the steel wire rope is adjusted by tightening the locking screw.

As the preferable technical scheme, a locking screw is also arranged between the first main support pipe and the first steel sleeve, and the extending length of the first steel sleeve is adjusted through the locking screw.

As the preferable technical scheme, the bottom plate and the first main support pipe and the first steel sleeve and the second main support pipe are supported and fixed through the inclined support pipes, so that the stability of the bottom plate and the first main support pipe is ensured.

As a preferred technical scheme, the bottom plate and the ground are fixed through expansion bolts.

As a preferable technical scheme, the second main support pipe and the second steel sleeve are installed in a screw locking mode.

The beneficial effects of the utility model are as follows: according to the utility model, the height and arm length of the bracket required by assembly can be required according to the use environment, the bracket body can rotate, and a special mechanism is arranged for fixing and adjusting the steel wires and the steel rule, so that the convenience and safety of operation are improved; in addition, vibration and tension sensors are arranged for indicating the stability of the support and the perpendicularity of the steel wire, and the rough difference is eliminated.

Reference numerals

1. An expansion screw; 2. a bottom plate; 3. a diagonal support tube; 4. a first main support tube; 5. a first steel sleeve; 6. a second main support tube; 7. a second steel sleeve; 8. locking a screw; 9. a vibration sensor; 10. a tension sensor; 11. a pulley; 12. a handle.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art structure;

fig. 2 is a schematic structural view of the present utility model.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Fig. 2 shows a practical shaft measurement support according to the present utility model, comprising: an adjustable bracket and pulley assembly;

The pulley component is arranged on the adjustable bracket and is provided with a steel wire rope (or a steel rule); one end of the steel wire rope (or steel ruler) is locked on the bracket by a locking mechanism, the other end is connected with a heavy hammer; the top of the adjustable bracket is provided with a vibration sensor 9, and when vibration reaches a certain degree, the measurement condition is not met at the moment, and the measurement is stopped; one end of the adjustable bracket is provided with a tension sensor 10, and the tension sensor 10 corresponds to the position of the steel wire rope (or the steel ruler); the deformation degree of the steel wire (or steel ruler) is monitored in real time by a tension sensor,

When the load weight makes steel wire, steel rule be close maximum tension, reduce load weight quality this moment, prevent steel wire, steel rule fracture, lead to the potential safety hazard, play protection steel wire, steel rule and the effect of operating personnel safety, in addition, can judge whether steel wire or steel rule hang according to the stability of tension numerical value and accord with the condition, whether possess measuring condition, improve measurement accuracy.

When plane connection is measured, the heavy hammer hung at the other end of the steel wire needs to be immersed in the oil drum, and at the moment, if the heavy hammer is attached to the wall of the drum or the bottom of the drum, measurement errors can be caused. The tension sensor arrangement will solve this pain. In addition, no matter plane or elevation measurement is performed, the tension sensor can be used for judging whether the steel wire/steel ruler is attached to a well wall or other objects, so that the steel wire/steel ruler is vertical and is correctly hung.

The vibration sensor is used for assisting in indicating the interference degree (construction vibration, wind and the like) of the working environment to measurement, so that the problem that larger rough difference is caused by operation when the interference is larger is avoided, and the convenience of the measurement operation and the accuracy of results are improved.

The two sensors are set based on the pain points in current shaft measurement practice.

For achieving the mounting of the bracket, the adjustable bracket comprises a bottom plate 2, a first main supporting tube 4 and a second main supporting tube 6; the bottom plate 2 is fixed on the ground, and the first main support pipe 4 is arranged in the center of the bottom plate 2; a first steel sleeve 5 is sleeved in the first main support pipe 4 in an adjusting manner; the second main support pipe 6 is transversely arranged at the upper end of the first steel sleeve 5, and a second steel sleeve 7 is fixedly arranged in the second main support pipe 6.

In addition, the pulley assembly includes a pulley 11 mounted on the second main support pipe 6, an end pulley 11 mounted on the second steel bushing 7, and a wire rope wound around the pulley 11; the steel rule is positioned at the pulley 11 of the second main support pipe 6, and the heavy hammer is positioned at the pulley 11 of the second steel sleeve 7.

The side face of the first main support pipe 4 is welded with a handle 12, and a locking structure is arranged on the handle 12; the locking structure is a locking screw 8, and the length of the steel wire rope (or the steel ruler) is adjusted by tightening the locking screw 8.

In this embodiment, a locking screw 8 is also disposed between the first main support pipe 4 and the first steel sleeve 5, and the extending length of the first steel sleeve 5 is adjusted by the locking screw 8.

In order to increase the stability, the base plate 2 and the first main support pipe 4 and the first steel sleeve 5 and the second main support pipe 6 are supported and fixed by the inclined support pipe 3, so that the stability is ensured.

Wherein, the bottom plate 2 is fixed with the ground through expansion bolts.

Furthermore, the second main support pipe 6 and the second steel sleeve 7 are mounted by means of locking screws.

The working principle is as follows:

Firstly, hanging a steel wire or a steel rule to a support according to the equipment diagram, then adjusting the length of a first steel sleeve on a first main support pipe according to the height of a retaining wall of a foundation pit and the length of the retaining wall, ensuring that the steel wire or the steel rule is hung vertically, not adhering edges and not leaning against the bottom, screwing a screw on a lifting handle, fixing the steel wire or the steel rule, rotating the steel sleeve when the steel wire is required to be moved, adjusting the screw on the lifting handle when the steel rule is moved, pulling the length of the steel rule, and paying attention to the values of a vibration sensor and a tension sensor when a heavy hammer is hung, thereby judging whether the field condition is suitable for measurement and whether the hanging of the steel wire (or the steel rule) is stable and qualified.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (8)

1. A utility shaft measurement bracket, comprising: an adjustable bracket and pulley assembly;

The pulley assembly is arranged on the adjustable bracket and is provided with a steel wire rope; one end of the steel wire rope is locked on the bracket by the locking mechanism, and the other end of the steel wire rope is connected with a heavy hammer; the top of the adjustable bracket is provided with a vibration sensor (9), one end of the adjustable bracket is provided with a tension sensor (10), and the tension sensor (10) corresponds to the position of the steel wire rope.

2. The utility shaft survey support of claim 1 wherein: the adjustable bracket comprises a bottom plate (2), a first main support tube (4) and a second main support tube (6); the bottom plate (2) is fixed on the ground, and the first main support pipe (4) is arranged in the center of the bottom plate (2); a first steel sleeve (5) is sleeved in the first main support pipe (4) in an adjusting manner; the second main support tube (6) is transversely arranged at the upper end of the first steel sleeve (5), and a second steel sleeve (7) is fixedly arranged in the second main support tube (6).

3. The utility shaft survey support of claim 1 wherein: the pulley assembly comprises a pulley (11) arranged on the second main support pipe (6) and an end pulley (11) arranged on the second steel sleeve (7), and the steel wire rope is wound on the pulley (11); and the steel wire rope is fixed on the first main support pipe (4) through a locking structure, and the heavy hammer is positioned at the pulley (11) of the second steel sleeve (7).

4. The utility shaft survey support of claim 2 wherein: a handle (12) is welded on the side surface of the first main support pipe (4), and a locking structure is arranged on the handle (12); the locking structure is a locking screw (8), and the length of the steel wire rope is adjusted by tightening the locking screw (8).

5. The utility shaft survey support of claim 2 wherein: locking screws (8) are also arranged between the first main support pipe (4) and the first steel sleeve (5), and the extending length of the first steel sleeve (5) is adjusted through the locking screws (8).

6. The utility shaft survey support of claim 2 wherein: the bottom plate (2) and the first main support pipe (4) and the first steel sleeve (5) and the second main support pipe (6) are supported and fixed through the inclined support pipe (3), so that the stability of the bottom plate is guaranteed.

7. The utility shaft survey support of claim 2 wherein: the bottom plate (2) is fixed with the ground through expansion bolts.

8. The utility shaft survey support of claim 2 wherein: the second main support pipe (6) and the second steel sleeve (7) are installed in a screw locking mode.