CN207850358U - A kind of small prism fixing device - Google Patents

Abstract

The utility model provides a small prism fixing device, which includes a fixing collar, a foot bracket, a centering rod, a first fixing mechanism for fixing the centering rod, and a second fixing mechanism for fixing the foot bracket; The centering rod is movably sleeved on the centering rod in the axial direction and fixed at a certain height of the centering rod by the first fixing mechanism, and the foot bracket is rotatably arranged on the fixing collar and relatively relative to the centering rod by the second fixing mechanism. The centering rod is set on the fixed collar to maintain a fixed angle. The first fixing mechanism includes bolt holes and collar bolts. The second fixing mechanism includes fan-shaped angle plates, fixing bolts, adjusting bolts and adjusting nuts. The foot bracket passes through the fixing holes, The first threaded hole and the fixing bolt are connected with the fan-shaped angle plate, and are also connected with the fan-shaped angle plate through the limiting threaded hole, the waist hole and the adjusting bolt. The small prism fixing device of the utility model can eliminate the influence of human factors during manual hand-held measurement, improve measurement accuracy, and save manpower.

Description

A small prism fixing device

technical field

The utility model relates to the technical field of prism fixing devices, in particular to a small prism fixing device.

Background technique

At present, there are many tripod fixing devices for total station large prisms on the market, which can quickly adjust the horizontal alignment and measure. However, in the measurement process of deformation monitoring, the large prism with a base cannot measure the elevation of the monitoring point. Since the length of the centering rod of the small prism is fixed, the small prism is often used to measure the height of the monitoring point during the measurement process, so that the displacement and height of the monitoring point can be effectively expressed.

In the current actual measurement operation process, when the small prism is used for displacement and elevation measurement, the small prism usually has no fixed support, and the small prism bubble is kept in the center by manually holding the centering rod of the small prism. Because there are many artificial uncertain factors, such as artificial hand holding, the small prism is prone to shake, which will eventually cause some errors in the measurement results, the measurement accuracy cannot be effectively guaranteed, and the measurement process consumes too much Much manpower.

Utility model content

In order to overcome the shortcomings of the prior art, the utility model provides a small prism fixing device, which can quickly adjust and keep the small prism bubble in the center without hand-holding during the measurement process, eliminating the influence of human factors, and does not need to consume too much manpower.

The utility model is for reaching its purpose, and the technical scheme that adopts is as follows:

A small prism fixing device, characterized in that it includes a foot bracket, a centering rod, a fixing collar, a first fixing mechanism for fixing the centering rod, and a second fixing mechanism for fixing the foot bracket;

The fixed collar is sleeved on the centering rod and can move along the axial direction of the centering rod, and the fixed collar is fixed on a certain part of the centering rod through the first fixing mechanism. height;

The foot support is rotatably arranged on the fixed collar, and the foot support is arranged on the fixed collar with a fixed angle relative to the centering rod through a second fixing mechanism.

Further, the first fixing mechanism includes a bolt hole passing through the fixing collar and a collar bolt screwed into the bolt hole, when the collar bolt is tightened in the bolt hole, the fixing A collar is fixed at a certain height of the centering rod.

Further, the second fixing mechanism includes a fan-shaped angle plate, fixing bolts, adjusting bolts and adjusting nuts, the foot bracket is hinged to the fan-shaped angle plate through the fixing bolts, and the fan-shaped angle plate is provided with a waist hole, the waist-shaped hole is an arc at an angle of 45°, the foot bracket is provided with a limit threaded hole corresponding to the waist-shaped hole, and the adjusting bolt is screwed into the waist-shaped hole and the limit threaded hole, the foot bracket is connected with the fan-shaped angle plate through the limit threaded hole, the waist hole and the adjusting bolt, and can be fixed by the adjusting nut.

Further, there are three foot supports, and the three foot supports are distributed in a circumferential direction of 120°.

Further, a groove is provided on the outer surface of the fixing collar, and one end of the fan-shaped angle plate is connected in the groove by welding.

Further, the upper end of the foot bracket is provided with a U-shaped groove, and the upper end of the U-shaped groove is provided with a through first threaded hole, and the U-shaped groove is clamped on the fan-shaped angle plate, and the fan-shaped angle plate A fixing hole is provided on the top, the first threaded hole is opposite to the fixing hole, and the foot bracket is connected to the fan-shaped angle plate through the first threaded hole, the fixing hole and the fixing bolt.

Further, the U-shaped slot includes an upper slot hole and a lower slot hole, and the width dimension of the upper slot hole is smaller than the width dimension of the lower slot hole.

Further, the lower end of the foot support is provided with a third fixing mechanism for connecting with the horizontal support surface.

Further, the third fixing mechanism includes a foot bolt and a third threaded hole provided on the foot support, and the foot support is connected to the horizontal support surface through the third thread hole and the foot bolt.

Compared with the prior art, the utility model has the following beneficial effects:

When the small prism fixing device of the utility model is in use, the collar bolts on the side of the fixing collar can be tightened to clamp the centering rod equipped with the small prism, so that the centering rod remains fixed in the vertical direction. There are two connections between the foot bracket and the fan-shaped angle plate. The foot bracket is connected with the fan-shaped angle plate through the first threaded hole, the fixing hole and the fixing bolt, so that the foot bracket can be rotated and adjusted in a large angle range with the fixing bolt as the axis; the foot The bracket is also connected to the fan-shaped angle plate through the limit threaded hole, the waist hole, the adjusting bolt and the adjusting nut. Because the waist hole is an arc with an angle of 45°, the foot bracket can only be rotated at 45° with the fixing bolt as the axis. The rotation can be adjusted within the range, and the connection between the two positions of the foot bracket and the fan-shaped angle plate makes the fixing device more stable. There are three foot supports. By adjusting the angle of inclination of the foot supports, the centering rod can be kept stably fixed in the vertical direction, thereby realizing the adjustment of the horizontal position of the small prism.

There is also an adjustable foot bolt on the foot bracket, which can fine-tune the horizontal position of the small prism so that the horizontal air bubble is centered. In this way, it is possible to quickly adjust and keep the small prism bubble in the center without holding it by hand during the measurement process, eliminating the influence of human factors without consuming too much manpower.

Description of drawings

Fig. 1 is the perspective view of the small prism fixing device of the present invention;

Fig. 2 is the top view of the small prism fixing device of the present invention;

Fig. 3 is a top view of the fixing collar of the small prism fixing device of the present invention;

Fig. 4 is the structural diagram of the fan-shaped angle plate of the small prism fixing device of the present invention;

Fig. 5 is a plan view of the foot bracket of the small prism fixing device of the present invention;

Fig. 6 is a side view of the foot bracket of the small prism fixing device of the present invention.

In the picture:

1—centering rod; 2—fixed collar; 3—fixed bolt; 4—fan angle plate; 5—waist hole; 6—foot bracket; 7—foot bolt; 8—collar bolt; 9—adjusting bolt; 10—the first threaded hole fixing hole; 11—groove; 12—U-shaped groove; 13—the third threaded hole; 14—the upper slotted hole; 15—the lower slotted hole; 16—the first threaded hole of the second threaded hole; 17—the third threaded hole limit threaded hole; 18—adjusting nut.

Now in conjunction with accompanying drawing and specific embodiment the utility model is described further.

Detailed ways

In the following description, specific details are set forth in order to provide a full understanding of the present invention. But the utility model can be implemented in many other ways different from this description, and those skilled in the art can do similar promotion without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below .

As shown in Figures 1-6, the utility model provides a small prism fixing device, including a foot bracket 6, a centering rod 1, a fixing collar 2, a first fixing mechanism for fixing the centering rod 1, and a fixing mechanism for fixing the centering rod 1. The second fixing mechanism of the foot bracket 6; the fixing collar 2 is sleeved on the centering rod 1 and can move along the axial direction of the centering rod 1, and the fixing collar 2 is fixed on the centering rod 1 through the first fixing mechanism At a certain height; the foot support 6 is rotatably arranged on the fixed collar 2, and the foot support 6 is arranged on the fixed collar 2 with a fixed angle relative to the centering rod 1 through the second fixing mechanism.

The first fixing mechanism includes a bolt hole through the fixed collar 2 and a collar bolt 8 screwed into the bolt hole. When the collar bolt 8 is screwed in the bolt hole, the fixed collar 2 is fixed on the centering rod. a certain height. By tightening the collar bolt 8, the effect of fixing the centering rod 1 is played, so that the centering rod 1 remains fixed in the vertical direction.

The second fixing mechanism comprises fan-shaped angle plate 4, fixing bolt 3, adjusting bolt 9 and adjusting nut 18, and foot support 6 is hinged on the fan-shaped angle plate 4 by fixing bolt 3, so that foot support 6 can take fixing bolt 3 as the axis Angle rotation adjustment within a wide range of angles. Said fan-shaped angle plate 4 is provided with a waist hole 5, the waist hole 5 is an arc at an angle of 45°, the foot support 6 is provided with a limit threaded hole 17 corresponding to the waist hole 5, and the adjusting bolt 9 is screwed. Enter the waist-shaped hole 5 and the limit threaded hole 17, and the foot support 6 is connected with the fan-shaped angle plate 4 by the limit threaded hole 17, the waist-shaped hole 5 and the adjusting bolt 9, and can be fixed by the adjusting nut 18. Because the waist-shaped hole 5 is an arc at an angle of 45°, the foot support 6 is limited, which limits the freedom of movement of the foot support 6, so that the foot support 6 can only be within the range of an angle of 45° with the horizontal direction turn. By adjusting the position of the adjusting bolt 9, the position adjustment of the foot support 6 can be realized, so that the foot support 6 can only rotate and adjust the angle within the range of the fixed bolt 3 as the axis and the angle of 45° with the horizontal direction, so that the entire fixing The device is more stable, and the influence on the measurement result is reduced, so that the horizontal position of the small prism can be adjusted better.

A groove 11 is provided on the outer surface of the fixing collar 2, and one end of the fan-shaped angle plate 4 is connected in the groove 11 by welding. The number of grooves 11 is three, and the number of corresponding fan-shaped angle plates 4 is also three. The fan-shaped angle plates 4 and the grooves 11 are respectively distributed along the outer surface of the fixed collar 2 at 120°.

The upper end of the foot support 6 is provided with a U-shaped groove 12, and the upper end of the U-shaped groove 12 is provided with a through first threaded hole 16, and the U-shaped groove 12 is stuck on the fan-shaped angle plate 4, and the fan-shaped angle plate 4 is provided with a fixing hole 10 , the first threaded hole 16 is opposite to the fixing hole 10 , and the foot support 6 is connected to the fan-shaped angle plate 4 through the first threaded hole 16 , the fixing hole 10 and the fixing bolt 3 .

The U-shaped groove 12 comprises an upper slot 14 and a lower slot 15. The width of the upper slot 14 is smaller than the width of the lower slot 15, which can increase the elastic deformation of the foot support 6, so that the foot support 6 is locked at the adjustment angle. At the same time, it can be better fitted with the fan-shaped angle plate 4, so that the whole foot support is more stable, which is conducive to the fixing and stable adjustment of the small prism.

The lower end of foot support 6 is provided with the 3rd fixing mechanism, and the 3rd fixing mechanism comprises foot bolt 7 and the 3rd threaded hole 13 that is located on the foot support, and foot bolt 7 is installed in the 3rd threaded hole 13, and foot support 6 passes through the 3rd threaded hole 13 that is located on the foot support. Three threaded holes 13 and foot bolts 7 are connected to the horizontal support surface, and the quantity of foot supports 6 is three, and the circumferential direction of three foot supports 6 is distributed at 120°. The foot bolt 7 can be fine-tuned, and the horizontal position of the small prism can be further adjusted by fine-tuning the foot bolt 7, so that the bubble of the small prism is centered and the bubble is kept in the center, eliminating the influence of human factors on the measurement accuracy during manual hand-held measurement, and improving the measurement accuracy .

Embodiment of the utility model:

(1) Connection of the foot bracket 6 and the fan-shaped angle plate 4: the fan-shaped angle plate 4 and the fixed collar 2 are fixedly connected together by welding, and the fan-shaped angle plate 4 is placed in the U-shaped groove 12, that is, the U-shaped groove 12 Clamp on the fan-shaped angle plate 4, and connect the foot bracket 6 with the fan-shaped angle plate 4 through the fixing hole 10, the first threaded hole 16 and the fixing bolt 3, so that the foot bracket 6 can use the fixing bolt 3 as the axis in a large angle range At the same time, the foot support 6 is also connected with the fan-shaped angle plate 4 through the limit threaded hole 17, the waist hole 5, and the adjustment bolt 9, and is fixed by the adjustment nut 18. Because the waist-shaped hole 5 is arc-shaped at an angle of 45°, the rotation angle of the foot support 6 is limited, which limits the degree of freedom of movement of the foot support 6, so that the foot support 6 can only be rotated with the fixed bolt 3 as the axis and The rotation adjustment of the angle is carried out within the range of 45° in the horizontal direction.

(2) The connection between the foot support 6 and the support surface: the foot support is connected to the horizontal support surface through the third threaded hole 13 and the foot bolt 7, and the foot bolt 7 can be fine-tuned to further adjust the horizontal position of the small prism, so that the small prism Center the bubble and keep the bubble centered.

(3) After the above-mentioned fixing device is assembled, the fixing collar 2 is sleeved on the centering rod 1 equipped with a small prism, and can move along the axial direction of the centering rod 1. When the collar bolt 8 is tightened on When passing through the bolt hole of the fixed collar 2, the fixed collar 2 is fixed at a certain height of the centering rod 1, which plays a role in fixing the centering rod 1, so that the centering rod 1 remains fixed in the vertical direction. Then adjust the inclination angle of each foot support 6 by adjusting the position of the adjustment bolt 9 in the waist hole 5, so that each foot support 6 reaches the same inclination angle, and the centering rod 1 is stably fixed in the vertical direction, thereby achieving The purpose of stably adjusting the position of the small prism bubbles is to center the bubbles. At the same time, the foot bolt 7 can also be fine-tuned to further adjust the horizontal position of the small prism, thereby adjusting the bubble position of the small prism so that the horizontal bubble of the small prism is centered. When the horizontal bubble is centered, the fixing and level adjustment of the small prism are completed.

After the installation is completed, in the next measurement process, the small prism fixing device of the present invention can realize the purpose of keeping the small prism bubble in the center without hand-holding, eliminate the influence of human factors on the measurement results, improve the measurement accuracy, and There is no need to consume too much manpower and save human resources.

Finally, it should be noted that: the above are only preferred embodiments of the present utility model, and are not restricted in any form to the present utility model. Any simple modifications, equivalent changes and modifications made in the embodiments still belong to the protection scope of the technical solutions of the present utility model.

Claims (9)

1. A small prism fixing device, characterized in that: comprise foot support, centering rod, fixed collar, for fixing the first fixing mechanism of described centering rod, for fixing the second fixing of described foot support mechanism; The fixed collar is sleeved on the centering rod and can move along the axial direction of the centering rod, and the fixed collar is fixed on a certain part of the centering rod through the first fixing mechanism. height; The foot support is rotatably arranged on the fixed collar, and the foot support is arranged on the fixed collar with a fixed angle relative to the centering rod through a second fixing mechanism. 2. The small prism fixing device according to claim 1, characterized in that: said first fixing mechanism includes a bolt hole passing through said fixing collar and a collar bolt screwed into said bolt hole, said When the collar bolts are tightened in the bolt holes, the fixing collar is fixed at a certain height of the centering rod. 3. The small prism fixing device according to claim 1, characterized in that: said second fixing mechanism comprises a fan-shaped angle plate, fixing bolts, adjusting bolts and adjusting nuts, and said foot support is hinged on said fixing bolts. The fan-shaped angle plate is provided with a waist-shaped hole on the fan-shaped angle plate, and the waist-shaped hole is an arc at an angle of 45°. The foot bracket is provided with a limit threaded hole corresponding to the waist-shaped hole. The adjusting bolt is screwed into the waist-shaped hole and the limit threaded hole, and the foot bracket is connected with the fan-shaped angle plate through the limit threaded hole, the waist-shaped hole and the adjusting bolt, and can Secured by the adjusting nut. 4 . The small prism fixing device according to claim 3 , wherein there are three foot supports, and the three foot supports are distributed in a circumferential direction of 120°. 5. The small prism fixing device according to claim 3, wherein a groove is provided on the outer surface of the fixing collar, and one end of the fan-shaped angle plate is connected in the groove by welding. 6. The small prism fixing device according to claim 5, characterized in that: the upper end of the foot support is provided with a U-shaped groove, and the upper end of the U-shaped groove is provided with a through first threaded hole, and the U-shaped The slot is stuck on the fan-shaped angle plate, and the fan-shaped angle plate is provided with a fixing hole, the first threaded hole is opposite to the fixing hole, and the foot bracket passes through the first threaded hole, the fixing hole And the fixing bolt is connected with the fan-shaped angle plate. 7 . The small prism fixing device according to claim 6 , wherein the U-shaped groove includes an upper slot hole and a lower slot hole, and the width dimension of the upper slot hole is smaller than the width dimension of the lower slot hole. 8. The small prism fixing device according to claim 6, characterized in that: the lower end of the leg support is provided with a third fixing mechanism for connecting with the horizontal support surface. 9. The small prism fixing device according to claim 8, characterized in that: the third fixing mechanism comprises a foot bolt and a third threaded hole arranged on the foot support, and the foot support passes through the third thread hole and the third threaded hole. The foot bolts are connected to the horizontal support surface.