CN214617683U

CN214617683U - Earthquake-resistant structure of total station

Info

Publication number: CN214617683U
Application number: CN202120853563.0U
Authority: CN
Inventors: 王心贵; 倪荣雷; 徐兵; 严智勇; 王瞭; 阮基浩; 焦旭; 王达
Original assignee: Zhejiang Coal Surveying And Mapping Institute Co ltd
Current assignee: Zhejiang Coal Surveying And Mapping Institute Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-05
Anticipated expiration: 2031-04-23

Abstract

The application relates to an anti-seismic structure of a total station, and relates to the technical field of vibration isolation and vibration reduction. When the total station is used for surveying and mapping, the total station is fixedly installed on a tripod, and the total station and the tripod vibrate due to road vibration, so that the measuring result of the total station is influenced. This application includes tripod, shock absorber and is used for supporting the mount pad of total powerstation, and the mount pad is located the top of tripod, and the shock absorber is installed between mount pad and tripod. External vibration is transmitted to the tripod, and the vibration attenuation of tripod and total powerstation can be accelerated to the shock absorber, reduces the influence of external vibration to the measuring result, improves the accuracy of measuring result.

Description

Earthquake-resistant structure of total station

Technical Field

The application relates to the field of vibration isolation and damping, in particular to an anti-seismic structure of a total station.

Background

The total station, namely the total station type electronic distance measuring instrument, is a surveying instrument system integrating horizontal angle, vertical angle, distance and height difference measuring functions, and is widely applied to the field of precision engineering measurement or deformation monitoring of large buildings, underground tunnel construction and the like.

The total station is generally equipped with a tripod for supporting and fixing, and during surveying and mapping operations, the total station is fixedly installed at the upper end of the tripod, surrounding vehicles run to cause road vibration, and ground vibration can cause vibration of the tripod and the total station, so that the measurement result of the total station is influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the vibration of total powerstation during survey and drawing operation, improve the measuring result of total powerstation, this application provides an antidetonation structure of total powerstation.

The application provides a seismic structure of total powerstation adopts following technical scheme:

an anti-seismic structure of total powerstation, includes the tripod, still includes shock absorber and is used for supporting the mount pad of total powerstation, the mount pad is located the top of tripod, the shock absorber install in the mount pad with between the tripod.

Through adopting above-mentioned technical scheme, the total powerstation is installed on the mount pad, and the shock absorber is installed between mount pad and tripod, and external vibration transmits to the tripod, and the shock absorber can accelerate the vibration attenuation of tripod and total powerstation, reduces the influence of external vibration to measuring result.

Optionally, at least two vibration dampers are provided.

Through adopting above-mentioned technical scheme, because the upper end of shock absorber plays the supporting role to the mount pad, a plurality of shock absorbers play the effect that the multiple spot supported, and is better to the support stability of total powerstation, also can further accelerate the speed of vibration decay simultaneously, improves the damping effect.

Optionally, the upper end of the shock absorber is detachably connected to the mounting base, and the lower end of the shock absorber is detachably connected to the tripod.

By adopting the technical scheme, the vibration absorber is convenient for workers to maintain, overhaul or replace subsequently.

Optionally, a first cushion pad is arranged between the upper end of the shock absorber and the mounting seat, and between the lower end of the shock absorber and the tripod.

Through adopting above-mentioned technical scheme, first blotter can play the effect of alleviating impact, damping vibration, and the transmission process of suppression vibration and impact further reduces external vibration to measuring result's influence.

Optionally, the shock absorber includes a cylinder, a piston rod movably inserted in the cylinder, and a coil spring for absorbing and storing vibration energy, and the coil spring is detachably sleeved outside the piston rod.

By adopting the technical scheme, when the total station and the tripod vibrate, the spiral spring can absorb the energy of vibration and impact and temporarily store the energy, and the cylinder barrel and the piston rod of the shock absorber convert the vibration energy into friction heat energy, so that the effect of damping vibration is achieved; because coil spring can dismantle the setting, the staff of being convenient for chooses for use coil spring of different rigidity according to actual demand.

Optionally, a second cushion pad is arranged at the upper end of the mounting seat.

Through adopting above-mentioned technical scheme, total powerstation fixed mounting is on the second blotter, and the second blotter has the effect of buffering impact, damping vibration, further reduces the influence of vibration to the total powerstation.

Optionally, the lower end of the tripod is provided with a buffering foot pad.

Through adopting above-mentioned technical scheme, the lower extreme at the tripod is installed to the buffering callus on the sole, is favorable to restraining the vibration on ground and transmits to the tripod, further improves the vibration isolation performance of tripod and total powerstation.

Optionally, the tripod includes supporting seat and three and articulates in the bracing piece of supporting seat, the buffering callus on the sole is followed the length direction of bracing piece slides and is set up, the bracing piece still is equipped with and is used for restricting the gliding fastening components of buffering callus on the sole.

When surveying and mapping the operation, the tripod probably is placed on unevenness's road surface to the upper surface that leads to the mount pad is in the tilt state, is unfavorable for carrying out the survey and mapping work, and the staff can adjust the length that the buffer foot pad stretches out the bracing piece, thereby fills up the upper surface of mount pad flat, makes the survey and mapping operation go on smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the shock absorber and the mounting base, the shock absorber can accelerate the vibration attenuation of the tripod and the total station, and reduce the influence of external vibration on the measurement result;

2. by arranging the first cushion pad, the first cushion pad can play a role in buffering impact and damping vibration, inhibit the transmission process of vibration and impact and further reduce the influence of external vibration on a measurement result;

3. through setting up the second blotter, the second blotter has the effect of buffering impact, decay vibration, further reduces the influence of vibration to the total powerstation.

Drawings

Fig. 1 is a schematic structural view of an anti-seismic structure of a total station according to an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an exploded view of the shock absorber and first cushion of fig. 2.

Description of reference numerals: 1. a tripod; 11. a supporting seat; 12. a support bar; 121. a buffer foot pad; 122. a sliding groove; 2. a mounting seat; 3. a shock absorber; 31. a cylinder barrel; 32. a piston rod; 33. a coil spring; 34. an abutting member; 4. a first cushion pad; 5. a second cushion pad; 6. a fastening assembly; 61. an ear mount; 62. fastening a bolt; 63. and a pressing sheet.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses earthquake-resistant structure of total powerstation.

Referring to fig. 1 and 2, the earthquake-resistant structure of the total station comprises a tripod 1, a mounting seat 2 and three vibration absorbers 3, wherein the tripod 1 comprises a disc-shaped supporting seat 11 and three supporting rods 12, the upper end of each supporting rod 12 is hinged to the outer edge of the supporting seat 11, and the three supporting rods 12 are arranged at equal intervals along the circumferential direction of the supporting seat 11. Be discoid mount pad 2 and be located the top of supporting seat 11, three shock absorber 3 is installed between mount pad 2 and supporting seat 11, and three shock absorber 3 arranges around the axis of mount pad 2 equidistant, and the upper end and the lower extreme of shock absorber 3 are respectively through bolt detachable connection in mount pad 2 and supporting seat 11. In the embodiment of the application, a total powerstation (not shown in the figure) for survey and drawing operation is fixed on mount pad 2, through setting up shock absorber 3 and mount pad 2, suppresses external vibration and transmits to total powerstation (not shown in the figure) for the vibration attenuation of tripod 1 and total powerstation (not shown in the figure), reduces the influence of external vibration to measuring result.

The cross section of the support rod 12 is rectangular, a sliding groove 122 is formed on the side wall of the support rod 12 near the lower end, and the sliding groove 122 penetrates through the lower end of the support rod 12. The sliding groove 122 is provided with a buffer foot pad 121, the buffer foot pad 121 is made of hard rubber with certain elasticity, and the buffer foot pad 121 slides along the length direction of the sliding groove 122. Still be equipped with on the bracing piece 12 and carry out spacing, fixed fastening components 6 to buffering callus on the sole 121, fastening components 6 include ear seat 61, fastening bolt 62 and compressing tightly piece 63, and ear seat 61 is whole to be L shape, and ear seat 61 can directly weld with bracing piece 12, also can with bracing piece 12 integrated into one piece. The fastening bolt 62 is screwed into the ear seat 61, the axis of the fastening bolt 62 is perpendicular to the side wall of the support pole 12, and the pressing piece 63 is welded to the end of the fastening bolt 62 near the support pole 12.

The buffer foot pad 121 is made of elastic rubber, so that the buffer foot pad has the functions of buffering and vibration reduction. Tripod 1 is at the in-process of using, probably need set up subaerial at unevenness, three spinal branch vaulting poles 12 are synchronous adjustment with the articulated contained angle of supporting seat 11 usually, the staff can stretch out the length of sliding groove 122 through changing buffering callus on the sole 121, and compress tightly buffering callus on the sole 121 through the fastening bolt 62 of screwing, it is fixed, thereby adjust the overall length of bracing piece 12 and buffering callus on the sole 121, make tripod 1 can place subaerial at unevenness, the upper surface of mount pad 2 tends to the horizontality.

When the total powerstation (not shown in the figure) carried out the survey and drawing operation, buffering callus on the sole 121 direct contact ground, at the in-process of adjustment, removal total powerstation (not shown in the figure), buffering callus on the sole 121 takes place relative friction with ground, and when buffering callus on the sole 121 wearing and tearing were serious, the staff can in time change buffering callus on the sole 121 through dismantling fixing bolt 123. The number of the shock absorbers 3 can be two, three or four, and in the embodiment of the application, three shock absorbers 3 are arranged, so that the mounting base 2 is supported at multiple points, and the shock absorption and vibration isolation effects on a total station (not shown in the figure) are improved.

Referring to fig. 2 and 3, each shock absorber 3 includes a cylinder 31, a piston rod 32 movably sleeved in the cylinder 31, and a coil spring 33 for absorbing and storing vibration energy, wherein the upper end of the piston rod 32 and the lower end of the cylinder 31 are provided with disc-shaped abutments 34, and the two abutments 34 are respectively mounted on the support base 11 and the mounting base 2 through bolts. One of the abutting pieces 34 is integrally formed with the cylinder 31, and the other abutting piece 34 is screwed to the upper end of the piston rod 32. The coil spring 33 is sleeved outside the cylinder 31, and two ends of the coil spring 33 are respectively abutted against the two abutting pieces 34.

When the total station (not shown in the figure) and the tripod 1 vibrate, the coil spring 33 deforms due to vibration, so that energy of vibration and impact is absorbed and temporarily stored, the piston rod 32 reciprocates relative to the cylinder barrel 31, oil inside the shock absorber 3 repeatedly enters one inner cavity from the other inner cavity through a narrow hole, friction between a hole wall and the oil and friction in oil molecules form damping force to the vibration, so that vibration energy of the tripod 1 and the total station (not shown in the figure) is converted into heat energy, and the vibration reduction effect is achieved. Since the abutment 34 on the piston rod 32 is screwed, the operator can remove the abutment 34 and then replace the coil spring 33.

A circular first cushion pad 4 is arranged between the cylinder 31 and the support seat 11 and between the piston rod 32 and the mounting seat 2, the two first cushion pads 4 are respectively attached to the two abutting pieces 34, and the abutting pieces 34 are fixed on the support seat 11 and the mounting seat 2 through bolts, so that one first cushion pad 4 is abutted between the abutting pieces 34 and the mounting seat 2, and the other first cushion pad 4 is abutted between the abutting pieces 34 and the support seat 11. A second cushion pad 5 is arranged at the upper end of the mounting base 2, and a total station (not shown in the figure) is arranged at the upper end of the second cushion pad 5. First blotter 4 and second blotter 5 are formed by elastic rubber processing, have the effect of alleviating impact, damping vibration, are favorable to reducing the influence of external vibration to total powerstation (not shown in the figure), improve measuring result's accuracy.

The implementation principle of the embodiment is as follows: by arranging the shock absorber 3 and the mounting base 2, the shock absorber 3 can accelerate the vibration attenuation of the tripod 1 and a total station (not shown in the figure), and the influence of external vibration on a measurement result is reduced; by arranging the first cushion pad 4, the first cushion pad 4 can play a role in buffering impact and damping vibration, inhibit the transmission process of vibration and impact and further reduce the influence of external vibration on a measurement result; by providing the second cushion pad 5, the second cushion pad 5 has the functions of buffering impact and damping vibration, and further reduces the influence of vibration on the total station (not shown in the figure).

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an antidetonation structure of total powerstation, includes tripod (1), its characterized in that: still include shock absorber (3) and be used for supporting mount pad (2) of total powerstation, mount pad (2) are located the top of tripod (1), shock absorber (3) install in mount pad (2) with between tripod (1).

2. The seismic structure of a total station according to claim 1, wherein: at least two vibration dampers (3) are arranged.

3. The seismic structure of a total station according to claim 1, wherein: the upper end of shock absorber (3) can be dismantled connect in mount pad (2), the lower extreme of shock absorber (3) can be dismantled connect in tripod (1).

4. The seismic structure of a total station according to claim 1, wherein: the upper end of shock absorber (3) with between mount pad (2), the lower extreme of shock absorber (3) with all be equipped with first blotter (4) between tripod (1).

5. The seismic structure of a total station according to claim 1, wherein: the shock absorber (3) comprises a cylinder barrel (31), a piston rod (32) movably inserted in the cylinder barrel (31) and a spiral spring (33) used for absorbing and storing vibration energy, wherein the spiral spring (33) is detachably sleeved on the outer side of the piston rod (32).

6. The seismic structure of a total station according to claim 1, wherein: and a second cushion pad (5) is arranged at the upper end of the mounting seat (2).

7. The seismic structure of a total station according to claim 1, wherein: the lower end of the tripod (1) is provided with a buffering foot pad (121).

8. The seismic structure of a total station according to claim 7, wherein: tripod (1) including supporting seat (11) and three articulated in supporting rod (12) of supporting seat (11), buffering callus on the sole (121) are followed the length direction of supporting rod (12) slides the setting, supporting rod (12) still are equipped with and are used for restricting the gliding fastening components (6) of buffering callus on the sole (121).