Adjustable laser theodolite support for shield tunneling

Abstract

The adjustable laser theodolite support comprises a base, a first fixing groove is formed in the upper wall face of the base, sliding grooves are formed in the two sides of the lower wall face of the first fixing groove, a second fixing groove is formed in the position, located between the pair of sliding grooves, of the lower wall face of the first fixing groove, and the second fixing groove is formed in the position, located between the pair of sliding grooves, of the lower wall face of the first fixing groove. A first motor is fixedly installed in the second fixing groove, a first bevel gear is connected to the driving end of the first motor, connecting blocks are connected to a pair of first threaded rods in a screwed mode, a pair of sliding blocks slide in the sliding grooves in the two sides respectively, first clamping blocks on the two sides are driven to move oppositely at the same time, and therefore the instrument can be centered and positioned conveniently; the instrument is prevented from being damaged during clamping through springs and telescopic rods on the two sides, a pair of second clamping blocks are controlled to move by rotating second threaded rods on the two sides, so that the instrument is further fixed, the device is driven to ascend and descend through a second motor, operation is easy, and convenience is brought to people.

Description

Technical Field

[0001] The utility model relates to the technical field of theodolite supports, in particular to an adjustable laser theodolite support for shield tunneling. Background Art

[0002] The laser theodolite directs the laser beam emitted by the laser into the telescope tube of the theodolite so that it is emitted along the sighting axis. This is used as a reference for determining lines, positioning, and measuring angles and slopes, as well as for assembling, marking, and laying out large components.

[0003] The utility model patent with publication number CN214122550U discloses an axial support device for a photoelectric theodolite primary mirror, including a fixing rod, which is arranged on both sides of a photoelectric theodolite support, one end of the fixing rod is hinged to the photoelectric theodolite support, and the other end is in a limit sleeve arranged on both sides of a support plate, a support shaft is arranged in the middle of the support plate, one end of the support shaft is fixedly connected to the support plate, and the other end is arranged on the top of the axial end of the photoelectric theodolite primary mirror, a gasket is arranged between the support shaft and the axial end of the photoelectric theodolite primary mirror, and the length of the fixing rod is adjustable, but the device has a poor supporting and fixing effect, which can easily cause the instrument to deviate, resulting in errors in detection data. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an adjustable laser theodolite support for shield tunneling, which fixes the instrument at different heights and in different clamping directions through a pair of first clamping blocks and a pair of second clamping blocks. The operation is simple and the instrument is prevented from being displaced and causing errors.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an adjustable laser theodolite support for shield tunneling, comprising a base, a first fixed groove is provided on the upper wall of the base, slide grooves are provided on both sides of the lower wall of the first fixed groove, a second fixed groove is provided on the lower wall of the first fixed groove and located between a pair of the slide grooves, a first motor is fixedly installed in the second fixed groove, a first bevel gear is connected to the driving end of the first motor, first threaded rods are rotatably installed on the walls on both sides of the first fixed groove, a pair of the first threaded rods are spun with connecting blocks, a pair of sliders are connected to the lower wall of the connecting blocks, a pair of sliders slide in the slide grooves on both sides respectively, one end of a pair of the first threaded rods is connected to the second bevel gear, a pair of the second bevel gears are respectively meshed with the two sides of the first bevel gear, a pair of the upper wall of the connecting blocks are connected to a positioning mechanism, a pair of clamping mechanisms are installed on both sides of the upper wall of the base, a connecting frame is installed on the lower wall of the base, and a lifting mechanism is connected to the lower wall of the connecting frame.

[0006] Preferably, the positioning mechanism includes a support rod, a first fixed plate is connected to the upper end of a wall on one side of the support rod, a telescopic rod is connected to a wall on one side of the first fixed plate, one end of the telescopic rod is connected to a second fixed plate, a spring is provided outside the telescopic rod, a positioning rod is installed on a wall on one side of the first fixed plate and located on the telescopic rod, positioning holes are opened on both sides of the second fixed plate, a pair of positioning rods slide in the positioning holes on both sides respectively, a limiting block is installed on one end of a pair of positioning rods, and a first clamping block is fixedly installed on a wall on one side of the second fixed plate.

[0007] Preferably, the clamping mechanism includes a first fixed block on one side of the upper wall of the base, a threaded hole is opened on one side of the wall of the first fixed block, a second threaded rod is screwed into the threaded hole, one end of the second threaded rod is connected to the second clamping block, and the other end is connected to the handle.

[0008] Preferably, the lifting mechanism includes a lifting seat installed below the connecting frame, a cavity is opened in the lifting seat, a third threaded rod is connected between the upper and lower inner walls of the cavity, the upper end of the third threaded rod passes through the upper wall of the lifting seat and is connected to the second motor, a lifting plate is screwed on the third threaded rod, connecting rods are installed on both sides of the lower wall of the lifting plate, through holes are opened on both sides of the lower wall of the lifting seat, a pair of connecting rods slide in the through holes on both sides respectively and rollers are connected to the lower ends.

[0009] Preferably, the pair of first clamping blocks are both concave-shaped structures.

[0010] Preferably, a pair of the second clamping blocks are both arc-shaped structures.

[0011] Preferably, a pair of the sliders and the slide grooves are both T-shaped structures.

[0012] Beneficial Effects

[0013] The utility model provides an adjustable laser theodolite support for shield tunneling, which has the following beneficial effects: the utility model has a compact structure, and the second bevel gear is driven to rotate by the first motor, and the first bevel gears on both sides are driven to rotate by the second bevel gear, thereby controlling the simultaneous rotation of the first threaded rods on both sides, and a pair of sliders are respectively slid in the slide grooves on both sides, driving the first clamping blocks on both sides to move toward each other at the same time, thereby facilitating the centering of the instrument, and the springs and telescopic rods on both sides are used to prevent damage to the instrument during clamping. After positioning, the movement of a pair of second clamping blocks is controlled by rotating the second threaded rods on both sides, thereby further fixing the instrument, and the lifting and lowering of the device is driven by the second motor, which is simple to operate and brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the clamping mechanism of the utility model from a side view.

[0017] In the figure: 1, base; 2, first fixed groove; 3, slide groove; 4, second fixed groove; 5, first motor; 6, first bevel gear; 7, first threaded rod; 8, connecting block; 9, slider; 10, second bevel gear; 11, support rod; 12, first fixed plate; 13, telescopic rod; 14, second fixed plate; 15, spring; 16, positioning rod; 17, limit block; 18, first clamping block; 19, first fixed block; 20, second threaded rod; 21, second clamping block; 22, turning handle; 23, connecting frame; 24, lifting seat; 25, cavity; 26, third threaded rod; 27, second motor; 28, lifting plate; 29, connecting rod; 30, roller. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 , an adjustable laser theodolite support for shield tunneling, comprising a base 1, a first fixed groove 2 is provided on the upper wall of the base 1, slide grooves 3 are provided on both sides of the lower wall of the first fixed groove 2, a second fixed groove 4 is provided on the lower wall of the first fixed groove 2 and located between a pair of the slide grooves 3, a first motor 5 is fixedly installed in the second fixed groove 4, a first bevel gear 6 is connected to the driving end of the first motor 5, first threaded rods 7 are rotatably installed on both sides of the wall of the first fixed groove 2, a pair of the first threaded rods 7 are both screwed with connecting blocks 8, a pair of sliders 9 are connected to the lower wall of the connecting blocks 8, a pair of the sliders 9 slide in the slide grooves 3 on both sides respectively, a pair of the first threaded rods 7 are connected to one end of the second bevel gear 10, a pair of the second bevel gears 10 are respectively meshed with both sides of the first bevel gear 6, a pair of the upper walls of the connecting blocks 8 are connected with positioning mechanisms, a pair of clamping mechanisms are installed on both sides of the upper wall of the base 1, a connecting frame 23 is installed on the lower wall of the base 1, and a lifting mechanism is connected to the lower wall of the connecting frame 23.

[0020] Furthermore, the positioning mechanism includes a support rod 11, a first fixed plate 12 is connected to the upper end of one side wall of the support rod 11, a telescopic rod 13 is connected to one side wall of the first fixed plate 12, one end of the telescopic rod 13 is connected to a second fixed plate 14, a spring 15 is provided outside the telescopic rod 13, a positioning rod 16 is installed on one side wall of the first fixed plate 12 and located on the telescopic rod 13, positioning holes are opened on both sides of the second fixed plate 14, a pair of the positioning rods 16 slide in the positioning holes on both sides respectively, a limiting block 17 is installed on one end of the pair of positioning rods 16, and a first clamping block 18 is fixedly installed on one side wall of the second fixed plate 14.

[0021] Furthermore, the clamping mechanism includes a first fixed block 19 on one side of the upper wall of the base 1, a threaded hole is opened on one side of the wall of the first fixed block 19, a second threaded rod 20 is screwed into the threaded hole, one end of the second threaded rod 20 is connected to a second clamping block 21, and the other end is connected to a handle 22.

[0022] Furthermore, the lifting mechanism includes a lifting seat 24 installed below the connecting frame 23, a cavity 25 is opened in the lifting seat 24, a third threaded rod 26 is connected between the upper and lower inner walls of the cavity 25, the upper end of the third threaded rod 26 passes through the upper wall of the lifting seat 24 and is connected to a second motor 27, a lifting plate 28 is screwed on the third threaded rod 26, connecting rods 29 are installed on both sides of the lower wall of the lifting plate 28, through holes are opened on both sides of the lower wall of the lifting seat 24, a pair of connecting rods 29 slide in the through holes on both sides respectively and rollers 30 are connected to the lower ends.

[0023] Furthermore, the pair of first clamping blocks 18 are both concave-shaped structures.

[0024] Furthermore, a pair of the second clamping blocks 21 are both arc-shaped structures.

[0025] Furthermore, the pair of sliders 9 and the slide groove 3 are both T-shaped structures.

[0026] Embodiment: First, place the instrument on the base 1, and then drive the second bevel gear 10 to rotate through the first motor 5, and the first threaded rods 7 on both sides are rotated at the same time through the meshing of the second bevel gear 10 and the first bevel gears 6 on both sides, and the first clamping blocks 18 on both sides are moved toward each other at the same time by a pair of sliders 9 respectively sliding in the slide grooves 3 on both sides, so that the first clamping blocks 18 on both sides move towards each other at the same time, and move until a pair of first clamping blocks 18 are in contact with the wall surfaces on both sides of the instrument, thereby realizing the center positioning of the instrument, and preventing the instrument from being damaged during positioning by the springs 15 and telescopic rods 13 on both sides, and then by rotating the turning handles 22 on both sides, the second threaded rods 20 on both sides are rotated, so that the second clamping blocks 21 on both sides are in contact with the wall surfaces on both sides of the instrument at the same time, so that they are clamped and limited, and the third threaded rod 26 is driven to rotate by the second motor 27 to control the lifting and lowering of the lifting plate 28, and the height of the device is adjusted, which is easy to use and simple to operate, bringing convenience to people.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable laser theodolite support for shield tunneling, comprising a base (1), characterized in that: The upper wall surface of the base (1) is provided with a first fixed groove (2), and both sides of the lower wall surface of the first fixed groove (2) are provided with sliding grooves (3), and the lower wall surface of the first fixed groove (2) is provided with a second fixed groove (4) located between a pair of the sliding grooves (3), and a first motor (5) is fixedly installed in the second fixed groove (4), and a first bevel gear (6) is connected to the driving end of the first motor (5), and first threaded rods (7) are rotatably installed on the wall surfaces on both sides of the first fixed groove (2), and a pair of the first threaded rods (7) are both screwed with connecting blocks (8), and a pair of the The lower wall of the connecting block (8) is connected to a slider (9), a pair of the sliders (9) slide in the slide grooves (3) on both sides respectively, one end of a pair of the first threaded rods (7) is connected to a second bevel gear (10), a pair of the second bevel gears (10) are respectively meshed with the two sides of the first bevel gear (6), the upper wall of the pair of connecting blocks (8) is connected to a positioning mechanism, a pair of clamping mechanisms are installed on both sides of the upper wall of the base (1), a connecting frame (23) is installed on the lower wall of the base (1), and the lower wall of the connecting frame (23) is connected to a lifting mechanism.

2. The adjustable laser theodolite support for shield tunneling according to claim 1, characterized in that: The positioning mechanism comprises a support rod (11), the upper end of a wall surface of one side of the support rod (11) is connected to a first fixing plate (12), the wall surface of one side of the first fixing plate (12) is connected to a telescopic rod (13), one end of the telescopic rod (13) is connected to a second fixing plate (14), a spring (15) is provided outside the telescopic rod (13), a positioning rod (16) is installed on the wall surface of one side of the first fixing plate (12) and located on the telescopic rod (13), positioning holes are provided on both sides of the second fixing plate (14), a pair of the positioning rods (16) slide in the positioning holes on both sides respectively, a limiting block (17) is installed at one end of the pair of positioning rods (16), and a first clamping block (18) is fixedly installed on the wall surface of one side of the second fixing plate (14).

3. The adjustable laser theodolite support for shield tunneling according to claim 1, characterized in that: The clamping mechanism comprises a first fixing block (19) on one side of the upper wall of the base (1); a threaded hole is provided on one side of the wall of the first fixing block (19); a second threaded rod (20) is screwed into the threaded hole; one end of the second threaded rod (20) is connected to a second clamping block (21) and the other end is connected to a turning handle (22).

4. The adjustable laser theodolite support for shield tunneling according to claim 1, characterized in that: The lifting mechanism comprises a lifting seat (24) installed below the connecting frame (23), a cavity (25) is provided in the lifting seat (24), a third threaded rod (26) is connected between the upper and lower inner walls of the cavity (25), the upper end of the third threaded rod (26) passes through the upper wall of the lifting seat (24) and is connected to a second motor (27), a lifting plate (28) is screwed onto the third threaded rod (26), connecting rods (29) are installed on both sides of the lower wall of the lifting plate (28), through holes are provided on both sides of the lower wall of the lifting seat (24), a pair of connecting rods (29) slide in the through holes on both sides respectively and are connected to rollers (30) at the lower ends.

5. The adjustable laser theodolite support for shield tunneling according to claim 2, characterized in that: The first clamping blocks (18) are both in a concave shape.

6. The adjustable laser theodolite support for shield tunneling according to claim 3, characterized in that: The pair of the second clamping blocks (21) are both arc-shaped structures.

7. The adjustable laser theodolite support for shield tunneling according to claim 1, characterized in that: The pair of sliding blocks (9) and the sliding groove (3) are both T-shaped structures.

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