Tunnel measuring instrument fixing frame

Abstract

The utility model relates to the technical field of surveying and mapping instruments, in particular to a tunnel surveying instrument fixing frame which comprises an upper fixing plate, a lower fixing plate, an upper supporting frame, a base bracket, a rotating shaft and a lower supporting rod. The upper fixing plate and the lower fixing plate are fixed on a tunnel lining at an interval up and down; the upper supporting frame and the base bracket are sequentially arranged on the side, away from the tunnel lining, of the upper fixing plate, and the upper supporting frame is vertically and rotationally connected with the upper fixing plate; the rotating shaft is arranged between the upper supporting frame and the base bracket, and the base bracket is rotationally connected with the upper supporting frame through the rotating shaft; the two lower supporting rods are obliquely arranged between the lower fixing plate and the base bracket, and the two ends of each lower supporting rod are connected with the lower fixing plate and the base bracket respectively. During installation, the upper fixing plate is firstly installed, due to the arrangement of the rotating shaft, the base bracket can be adjusted by rotating the base bracket after the upper fixing plate is installed, and due to the fact that the upper supporting frame is vertically and rotatably connected with the upper fixing plate, the base bracket can be adjusted to be horizontal after the upper fixing plate is installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to surveying and mapping instrument technical field more specifically, especially, relates to a tunnel surveying instrument fixing frame. BACKGROUND

[0002] In the surveying and mapping industry, there is a certain deformation between the railway, highway tunnel during operation and the surrounding newly built structures. This deformation seriously threatens the safe operation of the railway and highway, so it is necessary to fix the surveying instrument within the tunnel safety line range to continuously monitor the target points within the deformation range of the tunnel, and transmit the measurement data to the server for analysis and early warning and disposal. Generally speaking, the space in the tunnel during operation is narrow, and personnel and equipment are not allowed within the safety line range. The surveying instrument installed in the tunnel is easily collided by traffic vehicles and easily affected by the surrounding environment, which affects the authenticity of the measurement data. Moreover, it cannot meet the needs of automatic monitoring and cannot well reflect the influence of the surrounding deformation on the tunnel. Therefore, the current manual installation of the fixed surveying instrument for deformation observation cannot meet the needs of actual engineering surveying.

[0003] The utility model discloses a tunnel surveying instrument fixing device, including base bracket, fixed side plate, telescopic link, fixed plate and connecting plate, the fixed plate is fixed on the tunnel lining respectively and interval, base bracket horizontal setting, base bracket on be equipped with the base fixed bolt for fixed surveying instrument, and be equipped with the line hole for fixed power supply and data transmission cable, fixed side plate symmetry is equipped with in base bracket both sides and respectively with base bracket vertical, fixed side plate one end respectively with the connecting plate of upper side is connected, the other end of fixed side plate respectively with the one end of telescopic link is connected, the other end of telescopic link respectively with the connecting plate of lower side is connected. When the fixed surveying instrument measures, the stability, safety is high and can realize automatic monitoring. However, its insufficient is, the fixed plate of upper side installs, can through telescopic link to base bracket one direction on horizontal adjustment, but cannot carry out horizontal adjustment to base bracket in another direction, this needs to be kept strictly horizontal when installing the fixed plate of upper side, this will undoubtedly be higher to the installation personnel, once the difference will lead to the situation of rework to occur. UTILITY MODEL CONTENTS

[0004] The utility model discloses a tunnel surveying instrument fixing frame that can solve the above problems.

[0005] The utility model provides a tunnel surveying instrument fixing frame, including upper fixed plate, lower fixed plate, upper support frame, base bracket, rotation axis and lower support rod, upper fixed plate and lower fixed plate are fixed on the tunnel lining in the upper and lower interval, upper support frame is arranged in the side of upper fixed plate far from the tunnel lining, upper support frame is vertically rotatory connection with upper fixed plate, base bracket is arranged in the side of upper support frame far from upper fixed plate, rotation axis is arranged between upper support frame and base bracket, base bracket is rotatory connection with upper support frame through rotation axis, two lower support rods are obliquely arranged between lower fixed plate and base bracket, and two ends of lower support rod are connected with lower fixed plate and base bracket respectively.

[0006] Further, the side of the upper fixed plate away from the tunnel lining is transversely provided with a plurality of upper connecting plates, the side of the upper support frame close to the upper fixed plate is transversely and side by side provided with a plurality of connecting arms, and the connecting arms are hinged to the upper connecting plates.

[0007] Further, the side of the lower fixed plate away from the tunnel lining is transversely provided with a lower connecting plate, the lower connecting plate is correspondingly arranged with the lower support rod, and the lower end of the lower support rod is connected with the lower fixed plate through the lower connecting plate.

[0008] Further, the upper fixed plate and the lower fixed plate each include a vertical plate, a lifting plate, and an adjusting screw, the vertical plate is fixed to the tunnel lining, a through slot is formed in the middle of the vertical plate in the horizontal direction and on the side close to the tunnel lining, a horizontal plate is transversely arranged in the through slot and fixedly connected to the vertical plate, the lifting plate is arranged on the outside of the middle of the vertical plate in an inverted L-shaped structure, the upper connecting plate and the lower connecting plate are connected to the lifting plate, the adjusting screw penetrates the top of the lifting plate and the horizontal plate in sequence, the adjusting screw is rotatably connected to the lifting plate, and the adjusting screw is threadedly connected to the horizontal plate.

[0009] Further, the lower support rod is a telescopic rod, the upper end of the lower support rod is slidably connected to the base bracket in the direction close to or away from the rotation axis, the lower end of the lower support rod is hingedly connected to the lower connecting plate, and the lower end of the lower support rod is rotatably connected to the base bracket.

[0010] Further, the bottom surface of the base bracket is provided with adjusting plates and adjusting bolts, the two adjusting plates are separately arranged on the two sides of the lower support rod, the adjusting plates are transversely provided with adjusting holes, the adjusting bolts penetrate the adjusting holes and the upper end of the lower support rod, and the adjusting bolts are rotatably connected to the lower support rod.

[0011] Further, the lower support rod includes a sleeve, fixed nuts fixed to the two ends of the sleeve, and telescopic screws inserted into the two ends of the sleeve and threadedly connected to the fixed nuts.

[0012] Further, the base bracket is provided with a base fixing bolt for fixing the measuring instrument, and is provided with a wire hole for fixing the power supply and data transmission cable.

[0013] Further, the base bracket is provided with a bearing seat near one end of the rotating shaft, one end of the rotating shaft is fixedly connected with the upper support frame, and the other end is rotatably connected with the base bracket through the bearing seat.

[0014] Further, the adjusting plate is detachably connected with the base bracket.

[0015] Compared with the prior art, the tunnel measuring instrument fixing frame has the advantages that:

[0016] In the tunnel measuring instrument fixing frame, the upper support frame is arranged on the side of the upper fixed plate away from the tunnel lining, and the rotating shaft is arranged between the upper support frame and the base bracket, so that the base bracket is rotatably connected with the upper support frame through the rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0018] Figure 1 is the overall structure schematic view of the tunnel measuring instrument fixing frame installed on the tunnel lining in the present application.

[0019] Figure 2 is the overall structure schematic view of the tunnel measuring instrument fixing frame in the present application.

[0020] Figure 3 is the overall structure schematic view of the tunnel measuring instrument fixing frame in the present application.

[0021] Figure 4 is Figure 3 is the enlarged view of A in the present application.

[0022] Figure 5 is the structure schematic view of the vertical plate in the present application.

[0023] In the figure: 1, the upper fixed plate; 2, the lower fixed plate; 3, the upper support frame; 4, the base bracket; 5, the rotating shaft; 6, the lower support rod; 601, the sleeve; 602, the fixed nut; 603, the telescopic screw rod; 7, the upper connecting plate; 8, the connecting arm; 9, the lower connecting plate; 10, the vertical plate; 11, the lifting plate; 12, the adjusting screw rod; 13, the horizontal plate; 14, the adjusting plate; 15, the adjusting bolt; 16, the adjusting hole; 17, the base fixing bolt; 18, the wire hole; 19, the bearing seat; 20, the mounting plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As shown in Figure 1 , Figure 2 and Figure 3 , the tunnel measuring instrument fixing frame in the embodiment comprises an upper fixed plate 1, a lower fixed plate 2, an upper support frame 3, a base bracket 4, a rotating shaft 5 and a lower support rod 6. The upper fixed plate 1 and the lower fixed plate 2 are fixed on the tunnel lining in an upper-lower interval. The upper support frame 3 and the base bracket 4 are sequentially arranged on the side of the upper fixed plate 1 away from the tunnel lining, and the upper support frame 3 is vertically rotationally connected with the upper fixed plate 1. The base bracket 4 is provided with a base fixing bolt 17 for fixing the measuring instrument, and is provided with a wire hole 18 for fixing the power supply and data transmission cable. The rotating shaft 5 is arranged between the upper support frame 3 and the base bracket 4, and the base bracket 4 is rotationally connected with the upper support frame 3 through the rotating shaft 5. Two lower support rods 6 are arranged between the lower fixed plate 2 and the base bracket 4 in an inclined manner, and the two ends of the lower support rod 6 are respectively connected with the lower fixed plate 2 and the base bracket 4.

[0026] In the embodiment, the upper fixed plate 1 and the lower fixed plate 2 each comprise a vertical plate 10, a lifting plate 11 and an adjusting screw rod 12. The vertical plate 10 is fixed on the tunnel lining through an expansion bolt, as shown in Figure 5As shown, the vertical plate 10 is provided with a through slot at the middle of the horizontal direction and close to one side of the tunnel lining, and the upper and lower ends of the through slot are communicated with the outside of the vertical plate 10. A horizontal plate 13 is horizontally arranged in the through slot and fixedly connected with the vertical plate 10. The lifting plate 11 is in an inverted L-shaped structure and is arranged to semi-enclose the outside of the middle of the vertical plate 10. The adjusting screw 12 penetrates the top of the lifting plate 11 and the horizontal plate 13 in sequence, and is only rotationally connected with the lifting plate 11 and is threadedly connected with the horizontal plate 13, so that the lifting plate 11 can be lifted and lowered by rotating the adjusting screw 12. After the vertical plate 10 is fixed on the tunnel lining, the height of the lifting plate 11 can be finely adjusted, which is convenient for use.

[0027] Preferably, at least two horizontal plates 13 are arranged in the upper and lower parts of the through slot in sequence, and the adjusting screw 12 is threadedly connected with all the horizontal plates 13, so as to improve the stability when the lifting plate 11 is adjusted up and down. A screw head is fixed to the upper end of the adjusting screw 12, so as to facilitate the rotation of the adjusting screw 12. A nut is threadedly connected with the lower end of the adjusting screw 12, so that the lifting plate 11 can still be detachably connected with the vertical plate 10, and the height of the lifting plate 11 can be adjusted at a later stage, and the lower end of the adjusting screw 12 is prevented from being separated from the horizontal plate 13.

[0028] In the embodiment, the lifting plate 11 of the upper fixed plate 1 is provided with a plurality of upper connecting plates 7 transversely arranged at the side away from the tunnel lining. The upper support frame 3 is provided with a plurality of connecting arms 8 transversely and side by side arranged at the side close to the upper fixed plate 1, and the connecting arms 8 are hingedly connected with the upper connecting plates 7. The base bracket 4 is provided with a bearing seat 19 at the end close to the rotating shaft 5, and the rotating shaft 5 is fixedly connected with the upper support frame 3 at one end and rotationally connected with the base bracket 4 at the other end through the bearing seat 19.

[0029] In the embodiment, the lifting plate 11 of the lower fixed plate 2 is provided with a lower connecting plate 9 transversely arranged at the side away from the tunnel lining. The lower connecting plate 9 is correspondingly arranged with the lower support rod 6, and the lower end of the lower support rod 6 is connected with the lifting plate 11 of the lower fixed plate 2 through the lower connecting plate 9. Preferably, the lower support rod 6 is a telescopic rod, the upper end of the lower support rod 6 is slidingly connected with the base bracket 4 in the direction close to and away from the rotating shaft 5, and the lower end of the lower support rod 6 is hingedly connected with the lifting plate 11 of the lower connecting plate 9. In this way, the position of the lower support rod 6 supporting the base bracket 4 can be adjusted, and the installation is more flexible.

[0030] Specifically, as shown in Figure 4As shown, the base bracket 4 is provided with adjusting plates 14 and adjusting bolts 15 on the bottom surface, two adjusting plates 14 are arranged on the two sides of the lower support rod 6 respectively, the adjusting plates 14 are transversely provided with adjusting holes 16, the adjusting bolts 15 pass through the adjusting holes 16 and the upper end of the lower support rod 6, and the adjusting bolts 15 are rotationally connected with the lower support rod 6. The two ends of each group of adjusting plates 14 are fixedly provided with mounting plates 20, and the mounting plates 20 are detachably connected with the base bracket 4 through bolts. The lower support rod 6 comprises sleeves 601, fixed nuts 602 and telescopic screw rods 603, two fixed nuts 602 are fixedly arranged at the two ends of the sleeve 601 respectively, two telescopic screw rods 603 are respectively inserted into the two ends of the sleeve 601 and are threadedly connected with the fixed nuts 602, one end of the telescopic screw rod 603 away from the sleeve 601 is connected with the adjusting screw rod 12, and the other end of the telescopic screw rod 603 away from the sleeve 601 is connected with the lower connecting plate 9.

[0031] The working principle of the tunnel measuring instrument fixing frame in the embodiment is as follows:

[0032] By arranging the upper support frame 3 on the side of the upper fixed plate 1 away from the tunnel lining and arranging the rotating shaft 5 between the upper support frame 3 and the base bracket 4, the base bracket 4 is rotationally connected with the upper support frame 3 through the rotating shaft 5. During installation, the upper fixed plate 1 is first installed, after the upper fixed plate 1 is fixed on the tunnel lining, the base bracket 4 can be adjusted by rotating the base bracket 4 at this time due to the arrangement of the rotating shaft 5, and the base bracket 4 can be adjusted to be horizontal after the upper fixed plate 1 is installed due to the vertical rotational connection between the upper support frame 3 and the upper fixed plate 1, the state after adjustment can be maintained by external equipment or manually, and then the remaining components can be installed, thereby effectively reducing the frequency of rework.

[0033] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tunnel surveying instrument holder, characterized in that, The utility model relates to a tunnel lining support device, including: The upper fixed plate (1) and the lower fixed plate (2) are fixed on the tunnel lining in the upper and lower interval; The upper support frame (3) is arranged on the side of the upper fixed plate (1) away from the tunnel lining, and the upper support frame (3) is vertically rotatably connected with the upper fixed plate (1); The base bracket (4) is arranged on the side of the upper support frame (3) away from the upper fixed plate (1); The rotating shaft (5) is arranged between the upper support frame (3) and the base bracket (4), and the base bracket (4) is rotatably connected with the upper support frame (3) through the rotating shaft (5); The lower support rod (6) is arranged between the lower fixed plate (2) and the base bracket (4) in an inclined manner, and the two ends of the lower support rod (6) are connected with the lower fixed plate (2) and the base bracket (4) respectively.

2. A tunnel surveying instrument holder according to claim 1, characterised in that, The side of the upper fixed plate (1) away from the tunnel lining is transversely provided with a plurality of upper connecting plates (7), and the side of the upper support frame (3) close to the upper fixed plate (1) is transversely and side by side provided with a plurality of connecting arms (8), and the connecting arms (8) are hingedly connected with the upper connecting plates (7).

3. A tunnel survey instrument mounting frame according to claim 2, characterised in that, The side of the lower fixed plate (2) away from the tunnel lining is transversely provided with a lower connecting plate (9), and the lower connecting plate (9) is correspondingly arranged with the lower support rod (6), and the lower end of the lower support rod (6) is connected with the lower fixed plate (2) through the lower connecting plate (9).

4. A tunnel survey instrument holder according to claim 3, characterised in that, The upper fixed plate (1) and the lower fixed plate (2) each include a vertical plate (10), a lifting plate (11) and an adjusting screw (12), the vertical plate (10) is fixed on the tunnel lining, a through slot is formed in the middle of the vertical plate (10) in the horizontal direction and on the side close to the tunnel lining, a horizontal plate (13) is transversely arranged in the through slot and fixedly connected with the vertical plate (10), the lifting plate (11) is arranged on the outer side of the middle of the vertical plate (10) in an inverted L-shaped structure, the upper connecting plate (7) and the lower connecting plate (9) are connected with the lifting plate (11), the adjusting screw (12) penetrates the top of the lifting plate (11) and the horizontal plate (13) in sequence, the adjusting screw (12) is rotatably connected with the lifting plate (11), and the adjusting screw (12) is threadedly connected with the horizontal plate (13).

5. A tunnel surveying instrument holder according to claim 4, characterised in that, The lower support rod (6) is a telescopic rod, the upper end of the lower support rod (6) is slidably connected with the base bracket (4) along the direction close to or away from the rotating shaft (5) and is rotatably connected with the base bracket (4), and the lower end of the lower support rod (6) is hingedly connected with the lower connecting plate (9).

6. A tunnel survey instrument mounting frame according to claim 5, characterised in that, The bottom surface of the base bracket (4) is provided with an adjusting plate (14) and an adjusting bolt (15), the two adjusting plates (14) are separately arranged on the two sides of the lower support rod (6), the adjusting plate (14) is transversely provided with an adjusting hole (16), the adjusting bolt (15) penetrates the adjusting hole (16) and the upper end of the lower support rod (6), and the adjusting bolt (15) is rotatably connected with the lower support rod (6).

7. A tunnel survey instrument mounting frame according to claim 6, characterised in that, The lower support rod (6) comprises a sleeve (601), fixed nuts (602) fixed at both ends of the sleeve (601), and telescopic screws (603) inserted into both ends of the sleeve (601) and threaded with the fixed nuts (602).

8. A tunnel survey instrument mounting frame according to claim 7, characterised in that, The base bracket (4) is provided with base fixing bolts (17) for fixing measuring instruments and wire holes (18) for fixing power supply and data transmission cables.

9. A tunnel survey instrument mounting frame according to claim 8, characterised in that, The base bracket (4) is provided with a bearing seat (19) near one end of the rotating shaft (5), one end of the rotating shaft (5) is fixedly connected with the upper support frame (3), and the other end is rotatably connected with the base bracket (4) through the bearing seat (19).

10. A tunnel survey instrument mounting frame according to claim 9, characterised in that, The adjusting plate (14) is detachably connected with the base bracket (4).

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