Measuring instrument for bridge and tunnel construction

Abstract

The utility model relates to a measuring instrument for bridge tunnel construction, which belongs to the technical field of measuring instruments, and comprises a fixed disc and a fixed plate, the lower surface of the fixed disc is hinged with four support cylinders through hinge seats, the interiors of the four support cylinders are fixed with insertion rods through bolts, and the insertion rods are connected with the fixed plate through bolts. A measuring instrument body is fixed to the upper surface of the fixing plate through bolts, a rotating mechanism is arranged on the upper surface of the fixing disc, an adjusting mechanism is arranged on the upper surface of the rotating mechanism, a first threaded rod is in threaded connection with the interior of a first threaded cylinder, and a shaking type handle is arranged at the bottom end of the first threaded rod. According to the measuring instrument for bridge and tunnel construction, the height and levelness of the measuring instrument can be adjusted under the action of mutual cooperation between the rotating mechanism and the adjusting mechanism, the rotating mechanism and the adjusting mechanism are adjusted in a manual adjusting mode, the energy saving performance of the measuring instrument can be improved, and the measuring instrument is easy to operate, simple in structure and convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to surveying instrument technical field, concretely is a surveying instrument for bridge tunnel construction. BACKGROUND

[0002] The surveying instrument used in the present stage bridge tunnel construction is total station, total station, that is, total station type electronic distance meter, is a kind of high-tech measuring instrument of light, machine, electricity, is the surveying and mapping instrument system of the function of the collection horizontal angle, vertical angle, distance (inclined distance, horizontal distance), height difference measurement, compared with optical theodolite electronic theodolite replaces optical degree disc with photoelectric scanning degree disc, replaces manual optical micrometric reading with automatic recording and display reading, angle measurement operation is simplified, and reading error can be avoided, because it can complete all measurement work on the station by once setting instrument, so it is called total station, is widely used in precision engineering measurement or deformation monitoring field such as ground large-scale building and underground tunnel construction.

[0003] For example, China patent CN214621184U discloses a surveying instrument for bridge tunnel construction, including main part, the bottom of main part is fixedly connected with fixed rod, one end of fixed rod is fixedly connected with base, the top of base is fixedly connected with motor, the output shaft of motor is fixedly connected with flange plate, the top of flange plate is fixedly connected with threaded rod, the outer surface of threaded rod is threadedly connected with threaded sleeve, threaded sleeve is slidably connected with main part, the top of threaded sleeve is fixedly connected with support table, the top of support table is fixedly connected with rotating seat, one side of rotating seat is rotatably connected with rotating rod by rotating shaft, utility model drives flange plate to rotate by motor, flange plate drives threaded rod to rotate, threaded rod drives threaded sleeve to move up and down, threaded sleeve drives support table to adjust height, so it can adjust measurement range according to actual use environment, and it is convenient to use.

[0004] Although the above patent can adjust the height and levelness of the surveying instrument by setting motor and electric push rod, motor and electric push rod need certain electric energy when running, thereby reducing practicability. UTILITY MODEL CONTENTS

[0005] In view of the defects of prior art, the utility model provides a surveying instrument for bridge tunnel construction, which has the advantages of improving energy saving, and solves the problem of adjusting the height and levelness of the surveying instrument by setting motor and electric push rod, which requires certain electric energy when running, thereby reducing practicability.

[0006] To achieve the above object, the utility model provides following technical scheme: a surveying instrument for bridge and tunnel construction, including fixed disc and fixed plate, the lower surface of fixed disc all is hinged with four support barrels through hinged seat, the inside of four support barrels all is fixed with plug rod through bolt, the upper surface of fixed plate is fixed with surveying instrument body through bolt, the upper surface of fixed disc is equipped with rotating mechanism, the upper surface of rotating mechanism is equipped with adjusting mechanism,

[0007] The rotating mechanism includes a first threaded cylinder arranged on the upper surface of the fixed plate, the bottom end of the first threaded cylinder penetrates the fixed plate and extends to the lower side, a first threaded rod is threadedly connected in the first threaded cylinder, a shaking handle is arranged at the bottom end of the first threaded rod, a connecting plate is rotatably connected to the top end of the first threaded rod through a bearing, limit sliding rods are arranged on the left and right sides of the lower surface of the connecting plate, sliding holes are formed on the left and right sides of the lower surface of the fixed plate, and the limit sliding rods are slidably connected in the sliding holes.

[0008] The adjusting mechanism includes a rectangular block arranged on the upper surface of the connecting plate, a rotating groove is formed in the upper surface of the rectangular block, a rotating circular body is rotatably connected in the rotating groove, the upper surface of the rotating circular body is fixedly connected with the lower surface of the fixed plate, a support frame is arranged on the right side of the upper surface of the connecting plate, a second threaded cylinder is arranged in the support frame, a second threaded rod is threadedly connected in the second threaded cylinder, a rotating handle is arranged on the right side of the second threaded rod, and a moving rod is arranged on the left side of the second threaded rod.

[0009] The adjusting mechanism further includes a sliding groove formed in the right side of the rectangular block, the sliding groove is communicated with the rotating groove, and an abutting block is slidably connected in the sliding groove.

[0010] Further, an anti-slip layer is arranged on the left side of the abutting block, the anti-slip layer is a rubber layer, and the left side of the anti-slip layer is fitted with the right side of the rotating circular body.

[0011] Further, an anti-slip sleeve is arranged on the outside of the rotating handle, and the anti-slip sleeve is a rubber sleeve.

[0012] Further, the plug rod and the support cylinder are gap-fitted.

[0013] Further, the first threaded cylinder is located on the longitudinal central axis of the fixed plate.

[0014] Further, the abutting block and the sliding groove are gap-fitted, and the abutting block moves linearly in the sliding groove.

[0015] Further, the sliding hole and the limiting sliding rod are in clearance fit, and the limiting sliding rod moves linearly up and down in the inside of the sliding hole.

[0016] Further, the rotating groove and the rotating circular body are in clearance fit.

[0017] Compared with the prior art, the technical scheme has the beneficial effects that:

[0018] The bridge tunnel construction measuring instrument can be adjusted in height and levelness through the cooperation between the rotating mechanism and the adjusting mechanism, and the rotating mechanism and the adjusting mechanism are manually adjusted, so that the energy saving of the measuring instrument is improved, and the measuring instrument is simple in operation and simple in structure and convenient to carry. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figures 2-3 It is a rotating mechanism schematic view of the utility model;

[0021] Figures 4-5 It is a three-dimensional structural schematic view of the connecting plate and the sliding rod of the utility model;

[0022] Figures 4-5 It is an adjusting mechanism schematic view of the utility model;

[0023] Figures 4-5 It is a connecting structure schematic view of the sliding groove and the abutting block of the utility model.

[0024] In the figure: 1 fixed disc, 2 fixed plate, 3 support cylinder, 4 insertion rod, 5 measuring instrument body, 6 rotating mechanism, 601 first threaded cylinder, 602 first threaded rod, 603 rocking handle, 604 connecting plate, 605 limiting sliding rod, 7 adjusting mechanism, 701 rectangular block, 702 rotating circular body, 703 support frame, 704 second threaded cylinder, 705 second threaded rod, 706 rotating handle, 707 moving rod, 708 sliding groove, 709 abutting block. DETAILED DESCRIPTION

[0025] The technical scheme 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.

[0026] Please refer to Figure 1The embodiment of the bridge tunnel construction measuring instrument, including fixed disc 1 and fixed plate 2, the lower surface of fixed disc 1 is hinged with four support cylinders 3 through the hinge seat, the inside of four support cylinders 3 is fixed with the plug rod 4 through the bolt, the upper surface of fixed plate 2 is fixed with the measuring instrument body 5 through the bolt, the upper surface of fixed disc 1 is equipped with rotating mechanism 6, rotating mechanism 6 can manually adjust the height of measuring instrument body 5, improve energy saving, the upper surface of rotating mechanism 6 is equipped with adjusting mechanism 7, adjusting mechanism 7 can manually adjust the levelness of measuring instrument body 5, improve energy saving.

[0027] In the embodiment, the gap between the plug rod 4 and the support cylinder 3 is matched.

[0028] In the embodiment, the measuring instrument body 5 is the prior art, the measuring instrument body 5 is a surveying and mapping instrument device integrating horizontal angle, vertical angle, distance (slope distance, horizontal distance) and height difference measurement functions, which can measure the bridge tunnel construction.

[0029] Please refer to Figures 2-3 In order to manually adjust the height of the measuring instrument body 5 and improve energy saving, the rotating mechanism 6 in the embodiment includes a first threaded cylinder 601 arranged on the upper surface of the fixed plate 2, the bottom end of the first threaded cylinder 601 penetrates through the fixed plate 2 and extends to the lower side, a first threaded rod 602 is threadedly connected in the first threaded cylinder 601, a shaking handle 603 is arranged at the bottom end of the first threaded rod 602, a connecting plate 604 is rotatably connected to the top end of the first threaded rod 602 through a bearing, limit sliding rods 605 are arranged on the left and right sides of the lower surface of the connecting plate 604, slide holes are formed on the left and right sides of the lower surface of the fixed plate 2, and the left and right limit sliding rods 605 are slidingly connected in the left and right slide holes.

[0030] In the embodiment, the first threaded cylinder 601 is located on the longitudinal central axis of the fixed plate 2, the gap between the slide hole and the limit sliding rod 605 is matched, and the limit sliding rod 605 moves linearly up and down in the slide hole.

[0031] It should be noted that the bridge tunnel construction measuring instrument can be supported by inserting the bottom end of the four plug rods 4 into the foundation to facilitate measurement, the first threaded rod 602 can be rotated in the first threaded cylinder 601 by rotating the shaking handle 603, and the fixed plate 2 and the measuring instrument body 5 can be adjusted in height by the limiting action of the left and right limit sliding rods 605.

[0032] Please refer to Figures 4-5, in order to manually adjust the level of the measuring instrument body 5, improve energy saving, in the embodiment, the adjusting mechanism 7 includes a rectangular block 701 arranged on the upper surface of the connecting plate 604, the upper surface of the rectangular block 701 is provided with a rotating groove, a rotating circular body 702 is rotatably connected in the rotating groove, the upper surface of the rotating circular body 702 is fixedly connected with the lower surface of the fixed plate 2, a support frame 703 is arranged on the right side of the upper surface of the connecting plate 604, a second threaded cylinder 704 is arranged in the support frame 703, a second threaded rod 705 is screwedly connected in the second threaded cylinder 704, a rotating handle 706 is arranged on the right side of the second threaded rod 705, and a moving rod 707 is arranged on the left side of the second threaded rod 705.

[0033] In the embodiment, the adjusting mechanism 7 further comprises a sliding groove 708 arranged on the right side of the rectangular block 701, the sliding groove 708 is communicated with the rotating groove, a abutting block 709 is slidably connected in the sliding groove 708, the right side of the abutting block 709 is rotatably connected with the left side of the moving rod 707 through a bearing, a non-slip layer is arranged on the left side of the abutting block 709, the non-slip layer is a rubber layer, the left side of the non-slip layer is fitted with the right side of the rotating circular body 702, a non-slip sleeve is arranged on the outside of the rotating handle 706, the non-slip sleeve is a rubber sleeve, the abutting block 709 and the sliding groove 708 are gap-fitted, the abutting block 709 moves linearly in the sliding groove 708, and the rotating groove and the rotating circular body 702 are gap-fitted.

[0034] It should be noted that the measuring instrument body 5 can be rotated forward, backward, left and right, and the rotating circular body 702 rotates in the rotating groove, so that the level of the measuring instrument body 5 can be adjusted. After the level is adjusted, the rotating handle 706 can be rotated to drive the abutting block 709 to move left in the sliding groove 708, and the rotating circular body 702 can be fixed in the rectangular block 701 through the abutting block 709, so that the level adjustment can be realized, and the weight of the equipment is reduced, and the equipment is convenient to carry.

[0035] The working principle of the above embodiment is as follows:

[0036] The bridge tunnel construction measuring instrument can be measured through the measuring instrument body 5, the bridge tunnel construction measuring instrument can be supported through the four insertion rods 4 inserted into the foundation at the bottom end, so as to measure, the first threaded rod 602 can be driven to rotate in the first threaded cylinder 601 through the rotating and swinging handle 603, the fixed plate 2 and the measuring instrument body 5 can be driven to adjust the horizontal height up and down through the limiting effect of the left and right limiting slide rods 605, the measuring instrument body 5 can be rotated forward, backward, left and right, the rotating circular body 702 can be rotated in the rotating groove, the measuring instrument body 5 can be adjusted horizontally, after the horizontal degree is adjusted, the rotating handle 706 can be rotated, the abutting block 709 can be driven to move left in the sliding groove 708, the rotating circular body 702 can be fixed in the rectangular block 701 through the abutting block 709, so that the horizontal degree adjustment can be realized.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application.

Claims

1. A measuring instrument for bridge tunnel construction comprising a fixed disc (1) and a fixed plate (2), characterized in that: The lower surface of the fixed disc (1) is hinged with four supporting cylinders (3) through the hinge seat, the inside of the four supporting cylinders (3) is fixed with an inserting rod (4) through bolts, the upper surface of the fixed plate (2) is fixed with a measuring instrument body (5) through bolts, the upper surface of the fixed disc (1) is provided with a rotating mechanism (6), the upper surface of the rotating mechanism (6) is provided with an adjusting mechanism (7). The rotating mechanism (6) comprises a first threaded cylinder (601) arranged on the upper surface of the fixed plate (2), the bottom end of the first threaded cylinder (601) penetrates through the fixed plate (2) and extends to the lower side, the inside of the first threaded cylinder (601) is threadedly connected with a first threaded rod (602), the bottom end of the first threaded rod (602) is provided with a shaking handle (603), the top end of the first threaded rod (602) is rotatably connected with a connecting plate (604) through a bearing, the lower surface of the connecting plate (604) is provided with a limiting sliding rod (605) on the left and right sides, the lower surface of the fixed plate (2) is provided with a sliding hole penetratingly arranged on the left and right sides, and the limiting sliding rods (605) on the left and right sides are slidably connected in the sliding holes on the left and right sides. The adjusting mechanism (7) comprises a rectangular block (701) arranged on the upper surface of the connecting plate (604), the upper surface of the rectangular block (701) is provided with a rotating groove, the rotating groove is rotatably connected with a rotating circular body (702) arranged in the inside, the upper surface of the rotating circular body (702) is fixedly connected with the lower surface of the fixed plate (2), the right side of the upper surface of the connecting plate (604) is provided with a supporting frame (703), the inside of the supporting frame (703) is provided with a second threaded cylinder (704), the inside of the second threaded cylinder (704) is threadedly connected with a second threaded rod (705), the right side of the second threaded rod (705) is provided with a rotating handle (706), and the left side of the second threaded rod (705) is provided with a moving rod (707). The adjusting mechanism (7) further comprises a sliding groove (708) arranged on the right side of the rectangular block (701), the sliding groove (708) is communicated with the rotating groove, and the inside of the sliding groove (708) is slidably connected with an abutting block (709), and the right side of the abutting block (709) is rotatably connected with the left side of the moving rod (707) through a bearing.

2. The surveying instrument for bridge and tunnel construction according to claim 1, characterized in that: The left side of the abutting block (709) is provided with an anti-skid layer, the anti-skid layer is a rubber layer, and the left side of the anti-skid layer is in close contact with the right side of the rotating circular body (702).

3. The surveying instrument for bridge and tunnel construction according to claim 1, characterized in that: The outer side of the rotating handle (706) is provided with an anti-skid sleeve, and the anti-skid sleeve is a rubber sleeve.

4. The surveying instrument for bridge and tunnel construction of claim 1, wherein: The inserting rod (4) is gap-fitted with the supporting cylinder (3).

5. The surveying instrument for bridge and tunnel construction of claim 1, wherein: The first threaded cylinder (601) is located on the longitudinal central axis of the fixed plate (2).

6. The surveying instrument for bridge and tunnel construction of claim 1, wherein: The abutting block (709) is gap-fitted with the sliding groove (708), and the abutting block (709) moves linearly left and right in the inside of the sliding groove (708).

7. The surveying instrument for bridge tunnel construction of claim 1, wherein: The sliding hole is gap-fitted with the limiting sliding rod (605), and the limiting sliding rod (605) moves linearly up and down in the inside of the sliding hole.

8. The surveying instrument for bridge tunnel construction of claim 1, wherein: The rotating groove and the rotating circular body (702) are in clearance fit.

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