阅读说明：本技术 一种大倾角自调平装置 (Large-inclination-angle self-leveling device ) 是由 陈继 刘有乾 党海明 康杰轩 张寿红 王进昌 武贵龙 董添春 王志伟 赵耀军 于 2021-05-06 设计创作，主要内容包括：本发明涉及一种大倾角自调平装置,该装置包括设在安装立柱上的安装基座平台和与安装基座平台相连的支撑筒。安装基座平台的顶部设有调平板,该调平板上设有调平平台；调平平台上设有水平泡指示器、控制电路板；支撑筒内设有平衡锤连接杆,该平衡锤连接杆的一端与调平平台相连,另一端连有平衡锤；平衡锤连接杆与平衡锤的内部穿有四芯电缆；支撑筒的下部对称设有观察窗口；支撑筒内的底部设有熔融池,该熔融池内盛有专用热熔胶；专用热熔胶内插有加热管,该加热管通过环氧树脂隔热套与平衡锤相连；四芯电缆的一端与控制电路板相连,另一端与加热管相连。本发明成本低、调平可靠性高,可适应于测量仪器工作过程中需要保持水平状态的仪器设备安装等。(The invention relates to a large-inclination-angle self-leveling device which comprises a mounting base platform arranged on a mounting upright post and a supporting cylinder connected with the mounting base platform. The top of the mounting base platform is provided with a leveling plate, and the leveling plate is provided with a leveling platform; a level bubble indicator and a control circuit board are arranged on the leveling platform; a balance weight connecting rod is arranged in the supporting cylinder, one end of the balance weight connecting rod is connected with the leveling platform, and the other end of the balance weight connecting rod is connected with a balance weight; four-core cables penetrate through the connecting rod of the balance weight and the balance weight; observation windows are symmetrically arranged at the lower part of the supporting cylinder; a melting tank is arranged at the bottom in the supporting cylinder, and special hot melt adhesive is filled in the melting tank; a heating pipe is inserted in the special hot melt adhesive and is connected with the balance weight through an epoxy resin heat insulation sleeve; one end of the four-core cable is connected with the control circuit board, and the other end of the four-core cable is connected with the heating pipe. The invention has low cost and high leveling reliability, and is suitable for the installation of instrument equipment needing to keep a horizontal state in the working process of a measuring instrument.)

1. A large inclination angle self-leveling device is characterized in that: the device comprises a mounting base platform (5) arranged on a mounting upright post (20) and a supporting cylinder (7) connected with the mounting base platform (5); the top of the mounting base platform (5) is provided with a leveling plate (4), and the leveling plate (4) is provided with a leveling platform (2) for mounting instrument equipment; the leveling platform (2) is respectively provided with a level bubble indicator (1) and a control circuit board (18); a balance weight connecting rod (8) is arranged in the supporting cylinder (7), one end of the balance weight connecting rod (8) is connected with the leveling platform (2), and the other end of the balance weight connecting rod is connected with a balance weight (10); a four-core cable (19) penetrates through the balance weight connecting rod (8) and the balance weight (10); observation windows (72) are symmetrically arranged at the lower part of the supporting cylinder (7); a melting pool (14) is arranged at the bottom in the supporting cylinder (7), and the melting pool (14) is filled with special hot melt adhesive; a heating pipe (13) is inserted in the special hot melt adhesive, and the heating pipe (13) is connected with the balance weight (10) through an epoxy resin heat insulation sleeve (12); one end of the four-core cable (19) is connected with the control circuit board (18), and the other end of the four-core cable is connected with the heating pipe (13).

2. A large inclination angle self leveling device as defined in claim 1 wherein: the bottom of the mounting base platform (5) is connected with the supporting cylinder (7) through a supporting cylinder connecting flange (6).

3. A large inclination angle self leveling device as defined in claim 1 wherein: the installation base platform (5) is connected with the leveling plate (4) and the leveling plate (4) is connected with the leveling platform (2) through four groups of leveling jackscrews (3) in a symmetrical distribution mode.

4. A large inclination angle self leveling device as defined in claim 3 wherein: the leveling jackscrew (3) comprises a pointed jackscrew (31) arranged on the leveling platform (2) and a concave jackscrew (33) arranged on the leveling plate (4); the pointed jackscrew (31) is connected with the concave jackscrew (33).

5. A large inclination angle self leveling device as defined in claim 4 wherein: the pointed top threads (31) are connected with the leveling platform (2) and the concave top threads (33) are connected with the leveling plate (4) through fixing nuts (32).

6. A large inclination angle self leveling device as defined in claim 1 wherein: the balance weight connecting rod (8) and the leveling platform (2) are screwed up through threads.

7. A large inclination angle self leveling device as defined in claim 1 wherein: the lower end of the balance weight connecting rod (8) is provided with two grooves, and the balance weight (10) corresponding to the grooves is provided with a threaded hole; the balance weight (10) is symmetrically distributed in two layers through six balance adjusting jackscrews (9) through the threaded hole and is tightly propped against the balance weight connecting rod (8).

8. A large inclination angle self leveling device as defined in claim 7 wherein: six open holes (71) are formed in the supporting cylinder (7) corresponding to the balance adjusting jackscrew (9).

9. A large inclination angle self leveling device as defined in claim 1 wherein: the balance weight connecting rod (8) and the balance weight (10) are both hollow, and the four-core cable (19) penetrates through the balance weight connecting rod and the balance weight.

10. A large inclination angle self leveling device as defined in claim 1 wherein: the heating pipe (13) and the balance weight (10) are respectively connected with the epoxy resin heat insulation sleeve (12) through a heat insulation sleeve fixing screw (11).

11. A large inclination angle self leveling device as defined in claim 1 wherein: the melting tank (14) is connected with the supporting cylinder (7) through a melting tank fixing screw (15).

12. A large inclination angle self leveling device as defined in claim 1 wherein: the positive pole and the negative pole of the heating pipe (13) are connected with the control circuit board (18) through the four-core cable (19) through a threading hole on the outer wall of the heating pipe.

13. A large inclination angle self leveling device as defined in claim 1 wherein: the melting tank (14) is provided with a leveling limiting ring (16), and the leveling limiting ring (16) is provided with a limiting connecting sheet (17) connected with the four-core cable (19).

14. A large inclination angle self leveling device as defined in claim 1 wherein: the special hot melt adhesive is prepared by mixing paraffin, rosin and a hot melt adhesive rod according to the mass ratio of 1:1:1, heating to melt and uniformly stirring.

15. A large inclination angle self leveling device as defined in claim 1 wherein: the heating end of the heating pipe (13) is inserted into the special hot melt adhesive in the melting pool (14).

Technical Field

The invention relates to a leveling device, in particular to a large-inclination-angle self-leveling device.

Background

The average altitude of the Qinghai-Tibet plateau is more than 4000 meters, the annual average temperature of the plateau abdominal region is below 0 ℃, the natural geography and climate conditions are severe, and the engineering geological conditions are complex. The construction of a transport hub from the Qinghai to the Lhasa is a lifeline project connecting inland and Tibet. The subgrade settlement deformation is an important index for evaluating the stability of the Qinghai-Tibet highway and railway engineering. In the past, the manual level gauge monitoring is the most basic monitoring means for field deformation monitoring, is the most reliable at the present stage, and is the monitoring means with the highest cost. With the advancement of science and technology, deformation monitoring is also moving toward automatic monitoring.

In order to ensure the accuracy of the monitoring data of the equipment, the horizontal state of the equipment needs to be kept in the working process of the automatic settlement deformation monitoring equipment. However, the equipment mounting column can be inclined due to various factors in the natural environment, and for this reason, a large-inclination-angle automatic leveling device is designed.

Disclosure of Invention

The invention aims to solve the technical problem of providing a large-inclination-angle self-leveling device which is low in cost, wide in application range and high in leveling reliability.

In order to solve the problems, the invention provides a large-inclination-angle self-leveling device, which is characterized in that: the device comprises a mounting base platform arranged on a mounting upright post and a supporting cylinder connected with the mounting base platform; the top of the mounting base platform is provided with a leveling plate, and the leveling plate is provided with a leveling platform for mounting instrument equipment; a level bubble indicator and a control circuit board are respectively arranged on the leveling platform; a balance weight connecting rod is arranged in the supporting cylinder, one end of the balance weight connecting rod is connected with the leveling platform, and the other end of the balance weight connecting rod is connected with a balance weight; four-core cables penetrate through the balance weight connecting rod and the balance weight; observation windows are symmetrically arranged at the lower part of the supporting cylinder; a melting tank is arranged at the bottom in the supporting cylinder, and special hot melt adhesive is filled in the melting tank; a heating pipe is inserted in the special hot melt adhesive and is connected with the balance weight through an epoxy resin heat insulation sleeve; one end of the four-core cable is connected with the control circuit board, and the other end of the four-core cable is connected with the heating pipe.

The bottom of the mounting base platform is connected with the supporting cylinder through a supporting cylinder connecting flange.

The mounting base platform and the leveling plate, and the leveling plate and the leveling platform are symmetrically distributed and connected through four groups of leveling jackscrews.

The leveling jackscrew comprises a pointed jackscrew arranged on the leveling platform and a concave jackscrew arranged on the leveling platform; the pointed-end jackscrew is connected with the concave-end jackscrew.

The pointed jackscrew is connected with the leveling platform and the concave jackscrew is connected with the leveling platform through fixing nuts respectively.

The balance weight connecting rod and the leveling platform are screwed up through threads.

The lower end of the balance weight connecting rod is provided with two grooves, and the balance weight corresponding to the grooves is provided with a threaded hole; the balance weight is tightly propped against the balance weight connecting rod through the threaded hole in a two-layer symmetrical distribution mode through six balance adjusting jackscrews.

And six openings are formed in the supporting cylinder corresponding to the balance adjusting jackscrew.

The balance weight connecting rod and the balance weight are both hollow, and the four-core cable penetrates through the balance weight connecting rod and the balance weight.

The heating pipe and the balance weight are respectively connected with the epoxy resin heat insulation sleeve through heat insulation sleeve fixing screws.

The melting tank is connected with the supporting cylinder through a melting tank fixing screw.

And the anode and the cathode of the heating pipe are connected with the control circuit board through the four-core cable and through the threading hole in the outer wall of the heating pipe.

And a leveling limiting ring is arranged on the melting tank, and a limiting connecting sheet connected with the four-core cable is arranged on the leveling limiting ring.

The special hot melt adhesive is prepared by mixing paraffin, rosin and a hot melt adhesive rod according to the mass ratio of 1:1:1, heating to melt and uniformly stirring.

And the heating end of the heating pipe is inserted into the special hot melt adhesive in the melting tank.

Compared with the prior art, the invention has the following advantages:

1. the balance weight is arranged in the invention, so that external force is not needed, and the automatic leveling of the instrument mounting platform is realized only through the gravity action of the balance weight.

2. The leveling jackscrew is arranged in the leveling device, and the connection mode of the jackscrew realizes the automatic leveling of the leveling platform in a non-locking state (the hot melt adhesive is melted) under the action of the gravity of the balance weight.

3. The balance adjusting jackscrew is arranged, and during installation and debugging, the leveling platform in a non-locking state is kept horizontal by adjusting the balance adjusting jackscrew.

4. The invention is provided with the control circuit board, thereby having the leveling over-limit alarm function. When the installation upright post is greatly inclined, the outer wall of the heating pipe is contacted with the limiting ring to form a closed loop through a cable, and the control circuit board detects a loop signal, namely, an alarm is sent to an instrument and equipment control circuit in an electric signal mode.

5. According to the invention, the diameters of the supporting cylinder, the melting tank and the supporting facilities are selected according to requirements, so that self-leveling of different maximum inclination angles is realized. In practical application, when the height of the supporting cylinder is 1m and the diameter of the melting pool is 35cm, the maximum inclination angle is 8 degrees.

6. According to the invention, the connecting rod of the balance weight and the balance weight are both hollow, so that a cable can conveniently pass through the connecting rod and the balance weight.

7. The instrument equipment is arranged on the leveling platform, and the leveling platform is provided with the control circuit board, so that the control circuit board and the instrument equipment can share power supply and can be communicated with each other.

8. The invention has low cost and high leveling reliability, and is suitable for the installation of instrument equipment needing to keep a horizontal state in the working process of a measuring instrument.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is an installation view of the present invention.

Fig. 2 is a side view of the body of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a detailed view of the present invention.

FIG. 5 is a sectional view taken along line A-A in the present invention.

FIG. 6 is an enlarged view of B of the present invention.

FIG. 7 is an enlarged view of C in the present invention.

FIG. 8 is a schematic view of the leveling plate of the present invention.

FIG. 9 is a schematic view of a melting tank in the present invention.

Fig. 10 is an isometric view of the present invention.

In the figure: 1-a level bubble indicator; 2-leveling the platform; 3-leveling jackscrew; 31-pointed jackscrew; 32-a fixing nut; 33-a concave head jackscrew; 4-leveling; 5, mounting a base platform; 6, connecting a flange with the support cylinder; 7, a support cylinder; 71, opening a hole; 72-observation window; 8-a counterweight connecting rod; 9-balance adjustment of the jackscrew; 10-a counterweight; 11-fixing screws for heat insulation sleeves; 12-epoxy resin heat insulating sleeve; 13-heating tube; 14-a molten pool; 15-melting tank fixing screw; 16-leveling limit ring; 17-a limit connecting sheet; 18-a control circuit board; 19-a four-core cable; and 20, mounting the upright post.

Detailed Description

As shown in fig. 1 to 10, the large inclination angle self-leveling device comprises a mounting base platform 5 arranged on a mounting upright post 20 and a support cylinder 7 connected with the mounting base platform 5.

The top of the mounting base platform 5 is provided with a leveling plate 4, and the leveling plate 4 is provided with a leveling platform 2 for mounting instrument equipment; the leveling platform 2 is respectively provided with a level bubble indicator 1 and a control circuit board 18, and the installation position is adjusted according to the actual use condition. The leveling platform 2 is provided with a hole position for facilitating installation of instrument equipment, and the control circuit board 18 and the instrument equipment share power supply and can communicate with each other.

A balance weight connecting rod 8 is arranged in the supporting cylinder 7, one end of the balance weight connecting rod 8 is connected with the leveling platform 2, and the other end is connected with a balance weight 10; a four-core cable 19 penetrates through the balance weight connecting rod 8 and the balance weight 10; the lower part of the supporting cylinder 7 is symmetrically provided with observation windows 72; a melting tank 14 is arranged at the bottom in the supporting cylinder 7, and the melting tank 14 is filled with special hot melt adhesive; a heating pipe 13 is inserted in the special hot melt adhesive, and the heating pipe 13 is connected with the balance weight 10 through an epoxy resin heat insulation sleeve 12; one end of the four-core cable 19 is connected with the control circuit board 18, and the other end is connected with the heating pipe 13.

Wherein: the bottom of the mounting base platform 5 is connected with a support cylinder 7 through a support cylinder connecting flange 6.

The installation base platform 5 and the leveling plate 4, and the leveling plate 4 and the leveling platform 2 are symmetrically distributed and connected through four groups of leveling jackscrews 3 respectively, so that the leveling platform 2 forms a free swing structure.

The leveling jackscrew 3 comprises a pointed jackscrew 31 arranged on the leveling platform 2 and a concave jackscrew 33 arranged on the leveling platform 4; the pointed tip 31 is connected to the recessed tip 33. The pointed jackscrew 31 and the leveling platform 2 and the concave jackscrew 33 and the leveling platform 4 are respectively connected through a fixing nut 32.

The balance weight connecting rod 8 and the leveling platform 2 are screwed up through threads.

The lower end of the balance weight connecting rod 8 is provided with two grooves, and the balance weight 10 corresponding to the grooves is provided with a threaded hole; the balance weight 10 is propped tightly against the balance weight connecting rod 8 through the threaded hole by six balance adjusting jackscrews 9 which are distributed symmetrically in two layers. The leveling platform 2 can reach the level of a free state by adjusting the tightness of each balance adjusting jackscrew 9.

Six openings 71 are formed in the supporting cylinder 7 corresponding to the balance adjusting jackscrew 9, and adjustment of the balance weight 10 is facilitated.

The balance weight connecting rod 8 and the balance weight 10 are both hollow, and a four-core cable 19 penetrates through the hollow.

The heating pipe 13 and the balance weight 10 are respectively connected with an epoxy resin heat insulation sleeve 12 through a heat insulation sleeve fixing screw 11.

The melt pool 14 is connected to the support cylinder 7 by means of melt pool fixing screws 15.

The positive pole and the negative pole of the heating pipe 13 are connected with the control circuit board 18 through a four-core cable 19 and a threading hole on the outer wall of the heating pipe.

The melting tank 14 is provided with a leveling limiting ring 16, and the leveling limiting ring 16 is provided with a limiting connecting sheet 17 connected with a four-core cable 19.

The special hot melt adhesive is prepared by mixing paraffin, rosin and a hot melt adhesive rod according to the mass ratio of 1:1:1, heating to melt, uniformly stirring, pouring into a melting tank 14, and cooling and solidifying. The hot melt adhesive rod adjusts the damping viscosity, and the melting point of paraffin and rosin is adjusted to be about 50 +/-5 ℃.

The heating end of the heating pipe 13 is inserted into the special hot melt adhesive in the melting tank 14.

The working principle is as follows:

in a general state, the hot melt adhesive is in a solidification state, the heating pipe 13 and the balance weight 10 are in a locking state, and the leveling platform 2 cannot freely shake. The instrument and equipment can communicate with the leveling control circuit board 18 before formal measurement is started, the hot melt adhesive is melted by controlling the heating of the heating pipe 13, the leveling structure is further enabled to form a free swing state, the leveling platform 2 enters a horizontal state under the action of gravity of the balance weight 10, after the heating is finished, the hot melt adhesive is cooled and locked to the leveling structure, the leveling platform 2 is in the horizontal state and reports that the equipment leveling is finished, the whole leveling process is finished, and the instrument and equipment can start formal measurement work after the instrument and equipment receive leveling complete information.

When the inclination angle of the installation upright post 20 is larger, the leveling system works to generate the limit state that the heating pipe 13 touches the leveling limiting ring 16, and as the outer wall of the heating pipe 13 and the leveling limiting ring 16 are connected with cables, a loop is formed when the outer wall of the heating pipe and the leveling limiting ring 16 touch, the control circuit board 18 gives an alarm to prompt that the leveling exceeds the limit and needs to be maintained. In practical application, the diameters of the melting tank 14, the matched mounting upright post 20 and the supporting cylinder 7 are adjusted and designed according to test conditions, so that large-dip-angle automatic leveling can be realized.