CN215261782U - Prism device based on magnetic gauge stand - Google Patents

Abstract

The utility model discloses a prism device based on a magnetic gauge stand, which comprises the magnetic gauge stand and a connecting shaft; one end of the connecting shaft is detachably connected with the magnetic gauge stand, and the other end of the connecting shaft is movably clamped in the support. The advantages are that: one end of the connecting shaft is in threaded connection with the magnetic gauge stand, the end part of the driving rod is pressed to compress the pressure spring, the clamping joint moves towards the center far away from the connecting hole along the guide groove, the connecting shaft is convenient to insert into the connecting hole, the driving rod is loosened, and the clamping joint is clamped on the side wall of the connecting shaft under the action of the pressure spring; from this, the support that will be connected with the prism passes through the connecting axle and has installed on the magnetism gauge stand, through the magnetism gauge stand with the stable fixing of prism on the vertical face that awaits measuring, be convenient for measure vertical face, when measuring vertical face, do not need the long-time handheld prism of survey crew, guarantee measurement accuracy, the effectual accuracy that has improved measurement accuracy and data reduces intensity of labour.

Description

Prism device based on magnetic gauge stand

The technical field is as follows:

the utility model relates to an engineering survey technical field, in particular to prism device based on magnetism gauge stand.

Background art:

the infrastructure construction is increased and the pace is advanced, and then new and higher requirements are provided for the engineering measurement technology; in the technical field of engineering measurement, a total station is a high-technology measuring instrument integrating light, machine and electricity, is a surveying and mapping instrument system integrating horizontal angle, vertical angle, distance (slant distance and flat distance) and height difference measurement functions, and is widely applied to the fields of precision engineering measurement or deformation monitoring of aboveground large-scale buildings, underground tunnel construction and the like; in the measurement process of the total station, a matched prism is needed, and the position accuracy of the prism is very important for the measurement precision of the total station.

For the measurement of the measured surface or point in relation to the horizontal plane, the prism is usually fixed on a tripod or a post, and the measurement is then performed using a total station; for the measurement of the measured side surface or point of the vertical surface, a tripod or a mark post cannot be used, and a prism mounting hole is usually formed in the measured point of the vertical surface so as to mount a prism or to carry out measurement by holding the prism; however, the hole opening mode can damage or change the shape structure of the side surface or point of the object to be detected, and for the vertical detected surface of some metal rigid structures, such as for the vertical surface measurement of a magnetic suspension track, the installation hole is not convenient to be opened; and the adoption of a handheld mode not only has high labor intensity, but also is easy to shake, so that the stability of a measured vertical plane or point is poor, the consistency of the measurement result is poor, an error exists, the precision of the measurement result is low, and the measurement precision is difficult to ensure.

In order to guarantee the measurement of vertical face, need just can satisfy corresponding measurement requirement through the relation of connection that changes prism and measured face, consequently, the utility model provides a prism device based on magnetism gauge stand to satisfy measurement requirement.

The utility model has the following contents:

an object of the utility model is to provide a can effectively fix the prism device based on magnetism gauge stand in order to guarantee measurement accuracy to the prism.

The utility model discloses by following technical scheme implement: a prism device based on a magnetic gauge stand comprises a support and a prism connected to the support; the magnetic watch also comprises a magnetic watch seat and a connecting shaft; one end of the connecting shaft is detachably connected with the magnetic gauge stand, and the other end of the connecting shaft is movably clamped in the support.

Furthermore, a screw hole is formed in the magnetic gauge stand, and an external thread is arranged at one end of the connecting shaft and is in threaded connection with the screw hole.

Furthermore, a connecting hole is formed in the support, the other end of the connecting shaft is inserted into the connecting hole, and an annular groove is formed in the side wall of the connecting shaft arranged in the connecting hole; the support is provided with a clamping mechanism, and a clamping head of the clamping mechanism is movably arranged in the connecting hole and clamped in the annular groove.

Further, the clamping mechanism comprises a driving rod and the clamping joint; a limiting hole which is vertically arranged relative to the connecting hole is formed in the support, a pressure spring is arranged in the limiting hole, and a driving rod with one end abutting against the pressure spring penetrates through the limiting hole; the limiting hole and the connecting hole are communicated with each other to form a guide groove which is axially arranged along the limiting hole, and the driving rod is fixedly provided with a clamping head which moves along the guide groove.

Furthermore, the driving rod further comprises a limiting pin, a limiting groove is formed in the inner wall of the limiting hole in the axial direction, and the limiting pin moving along the limiting groove is fixed on the driving rod.

Furthermore, two fastening planes are symmetrically arranged on the side wall of the connecting shaft, which is adjacent to the magnetic meter seat.

Furthermore, a through hole is formed in the connecting shaft between the two fastening planes.

The utility model has the advantages that: one end of the connecting shaft of the utility model is screwed on the magnetic gauge stand, the other end of the connecting shaft is movably clamped on the support, namely, the end part of the driving rod is pressed to compress the pressure spring, the clamping joint moves towards the center far away from the connecting hole along the guide groove, so that the connecting shaft is conveniently inserted into the connecting hole, the driving rod is loosened, and the clamping joint is clamped in the annular groove under the action of the pressure spring, so as to limit the connecting shaft and clamp the support on the connecting shaft; from this, the support that will be connected with the prism passes through the connecting axle and has installed on the magnetism gauge stand, through the magnetism gauge stand with the stable fixing of prism on the vertical face that awaits measuring, be convenient for measure vertical face, when measuring vertical face, do not need the long-time handheld prism of survey crew, guarantee measurement accuracy, the effectual accuracy that has improved measurement accuracy and data reduces intensity of labour.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a sectional view B-B of fig. 1.

Fig. 4 is a left side view of fig. 1.

Fig. 5 is a schematic view of the split structure of the present invention.

Fig. 6 is a schematic view of the usage state of the present invention.

The parts in the drawings are numbered as follows: the device comprises a support 1, a connecting hole 1.1, a limiting hole 1.2, a guide groove 1.3, a limiting groove 1.4, a prism 2, a magnetic gauge stand 3, a screw hole 3.1, a connecting shaft 4, an external thread 4.1, a fastening plane 4.2, a through hole 4.3, an annular groove 4.4, a clamping mechanism 5, a clamping connector 5.1, a driving rod 5.2, a pressure spring 5.3 and a limiting pin 5.4.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the embodiment provides a prism device based on a magnetic gauge stand, which includes a support 1 and a prism 2 connected to the support 1, wherein the prism 2 is rotatably connected to the support 1, and according to the actual situation of measurement, the prism 2 can rotate on the support 1 to realize the adjustment of the angle; the magnetic watch also comprises a magnetic watch seat 3 and a connecting shaft 4; one end of the connecting shaft 4 is detachably connected with the magnetic gauge stand 3, in the embodiment, the magnetic gauge stand 3 is provided with a screw hole 3.1, one end of the connecting shaft 4 is provided with an external thread 4.1 and is screwed in the screw hole 3.1, so that the connecting shaft 4 is installed on the magnetic gauge stand 3 and is convenient to disassemble, assemble and carry; the connecting shaft 4 is a two-section stepped shaft, and the diameter of one section of the connecting shaft 4 adjacent to the magnetic gauge stand 3 is larger than that of the other section.

The other end of the connecting shaft 4 is movably clamped in the support 1, in the embodiment, the support 1 is provided with a connecting hole 1.1, a section with smaller diameter on the connecting shaft 4 is inserted in the connecting hole 1.1 in a sliding manner, and the side wall of the connecting shaft 4 arranged in the connecting hole 1.1 is provided with an annular groove 4.4; the support 1 is provided with a clamping mechanism 5, a clamping joint 5.1 of the clamping mechanism 5 is movably arranged in the connecting hole 1.1 and clamped in the annular groove 4.4, so that the connection of the connecting shaft 4 and the support 1 is realized; the support 1 is provided with a clamping mechanism 5, and the clamping mechanism 5 comprises a driving rod 5.2 and a clamping joint 5.1; a limiting hole 1.2 which is vertical to the connecting hole 1.1 is formed in the side wall of the support 1, a pressure spring 5.3 is arranged in the limiting hole 1.2, a driving rod 5.2 with one end abutted against the pressure spring 5.3 penetrates through the limiting hole 1.2, and the other end of the driving rod 5.2 is arranged outside the limiting hole 1.2; a guide groove 1.3 axially arranged along the limiting hole 1.2 is arranged between the limiting hole 1.2 and the connecting hole 1.1 in a penetrating way, and a clamping joint 5.1 moving along the guide groove 1.3 is fixed on the driving rod 5.2; the clamping joint 5.1 of the clamping mechanism 5 is movably arranged in the connecting hole 1.1 and is abutted against the side wall of the connecting shaft 4, and the position of the prism 2 can be adjusted by adjusting the depth of the connecting shaft 4 inserted into the connecting hole 1.1 according to the actual situation of field measurement; the other end of the driving rod 5.2 is pressed to compress the pressure spring 5.3, the clamping joint 5.1 moves towards the center far away from the connecting hole 1.1 along the guide groove 1.3, the connecting shaft 4 is conveniently inserted into the connecting hole 1.1, the driving rod 5.2 is loosened, the clamping joint 5.1 is tightly clamped in the annular groove 4.4 under the action of the pressure spring 5.3, the connecting shaft 4 is limited, so that the support 1 is clamped on the connecting shaft 4, at the moment, the support 1 connected with the prism 2 is arranged on the magnetic gauge stand 3 through the connecting shaft 4, the magnetic gauge stand 3 is adsorbed on the vertical surface to be measured of the magnetic suspension track, so that the prism 2 is stably fixed on the vertical surface to be measured through the magnetic gauge stand 3, the vertical surface is convenient to measure, the prism 2 is not required to be held by a measurer for a long time, so that the measurement precision is guaranteed, the measurement precision and the data accuracy are effectively improved, and the labor intensity is reduced.

It still includes spacer pin 5.4, spacing groove 1.4 has been seted up along the axial on the inner wall of spacing hole 1.2, be fixed with spacer pin 5.4 along spacing groove 1.4 removal on the actuating lever 5.2, actuating lever 5.2 moves the in-process along spacing hole 1.2, spacer pin 5.4 moves along spacing groove 1.4, when loosening actuating lever 5.2 and connecting hole 1.1 in not inserting connecting axle 4, under the effect of pressure spring 5.3, spacer pin 5.4 joint is on the cell wall of spacing groove 1.4, play limiting displacement to actuating lever 5.2, avoid deviating from in spacing hole 1.2.

Two fastening planes 4.2 are symmetrically arranged on the side wall of the connecting shaft 4 adjacent to the magnetic gauge stand 3, the fastening planes 4.2 are parallel to the axis of the connecting shaft 4, when the connecting shaft 4 is installed on the magnetic gauge stand 3, in order to ensure the tight screwing, the two fastening planes 4.2 need to be clamped by tools such as pliers and the like, the connecting shaft 4 is driven to rotate and screwed on the magnetic gauge stand 3, and the measurement precision is favorably ensured; a through hole 4.3 is formed in the connecting shaft 4 between the two fastening planes 4.2, tools such as a screwdriver and the like can be conveniently inserted into the through hole 4.3, and the connecting shaft 4 can be driven to rotate.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A prism device based on a magnetic gauge stand comprises a support and a prism connected to the support; it is characterized in that the device also comprises a magnetic gauge stand and a connecting shaft; one end of the connecting shaft is detachably connected with the magnetic gauge stand, and the other end of the connecting shaft is movably clamped in the support.

2. The prism device based on the magnetic gauge stand of claim 1, wherein the magnetic gauge stand is provided with a screw hole, and one end of the connecting shaft is provided with an external thread and is screwed in the screw hole.

3. The prism device based on the magnetic gauge stand of claim 1, wherein the support is provided with a connecting hole, the other end of the connecting shaft is inserted into the connecting hole, and the side wall of the connecting shaft arranged in the connecting hole is provided with an annular groove; the support is provided with a clamping mechanism, and a clamping head of the clamping mechanism is movably arranged in the connecting hole and clamped in the annular groove.

4. The prism device based on the magnetic gauge stand of claim 3, wherein the clamping mechanism comprises a driving rod and the clamping joint; a limiting hole which is vertically arranged relative to the connecting hole is formed in the support, a pressure spring is arranged in the limiting hole, and a driving rod with one end abutting against the pressure spring penetrates through the limiting hole; the limiting hole and the connecting hole are communicated with each other to form a guide groove which is axially arranged along the limiting hole, and the driving rod is fixedly provided with a clamping head which moves along the guide groove.

5. The prism device based on the magnetic gauge stand of claim 4, further comprising a limit pin, wherein a limit groove is axially formed on an inner wall of the limit hole, and the limit pin moving along the limit groove is fixed on the driving rod.

6. The prism device based on the magnetic watch base according to any one of claims 1 to 5, wherein two fastening planes are symmetrically arranged on the side wall of the connecting shaft adjacent to the magnetic watch base.

7. The prism device based on the magnetic watch base of claim 6, wherein a through hole is formed on the connecting shaft between the two fastening planes.

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