Surveying instrument for building construction
By employing a bearing ring and transmission gear meshing structure in the surveying instrument used in construction, rotational errors are prevented, and the hand push rod can be disassembled through limit clamps and return springs. This solves the problems of rotation and fixed installation of existing rangefinders, improving surveying accuracy and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing distance measuring instruments used in construction are prone to rotation during use, leading to errors in the detection data. Furthermore, the push rod is fixed to the distance measuring instrument and cannot be disassembled.
A surveying instrument for building construction was designed. The rotating shaft connecting the surveying roller inside the instrument body is rotated to prevent rotation by using the meshing of the bearing ring and the transmission gear. The hand push rod can be disassembled and separated by the limit clamp and the return spring.
It effectively prevents the rotation error of the surveying instrument, improves the surveying accuracy, and enables convenient installation and disassembly of the hand-operated rod, thereby enhancing the accuracy of construction surveying.
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Figure CN224034667U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to construction surveying and mapping technical field, concretely is a surveying and mapping appearance for building construction. BACKGROUND
[0002] Building construction refers to the production activity of engineering construction implementation phase, is the building process of all kinds of buildings, also can be said to be the process that the various lines on design drawing are changed into the real object in the specified place. It includes foundation engineering construction, main body structure construction, roofing engineering construction, decoration engineering construction and so on. The place of construction operation is called "building construction site" or "construction site", also called the construction site.
[0003] However, in the prior art, the existing building construction needs to measure the distance, and the detection roller of the general hand-pushed measuring vehicle is easy to automatically rotate in the using process, which can cause the detection data to have errors, and affect the accuracy of detection. And the existing distance measuring device hand push rod is fixed and integrated, so it does not have the function of disassembling and separating the hand push rod and the distance measuring instrument.
[0004] Therefore, we need a surveying and mapping appearance for building construction to solve the problem of the existing building construction distance measuring instrument rotation, and also can realize the installation and disassembly of the distance measuring instrument hand push rod for building construction. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a surveying and mapping appearance for building construction to solve the problem of the existing building construction distance measuring instrument rotation, and also can realize the installation and disassembly of the distance measuring instrument hand push rod for building construction.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a surveying and mapping appearance for building construction, including distance surveying and mapping instrument body, the inside rotation connection surveying and mapping rolling wheel's pivot surface of distance surveying and mapping instrument body, the top surface fixedly connected with the installation sleeve of distance surveying and mapping instrument body, the inside plug-in of installation sleeve is inserted with plug-in rod, the surface of plug-in rod is equipped with bearing groove, the inner ring surface of bearing ring is fixedly connected with the surface of bearing groove, the inner ring surface of bearing ring is fixedly connected with the inner ring surface of transmission gear, and the back tooth groove of surveying and mapping rolling wheel is engaged with the tooth of transmission gear.
[0007] Preferably, the top surface of the plug-in rod is fixedly connected with the bottom end of the push rod, and the top end of the push rod is provided with a handle.
[0008] Preferably, the back tooth groove of the surveying and mapping rolling wheel is rectangularly arranged, the tooth groove width size is equal to the surface tooth width size of the transmission gear, and the back tooth groove of the surveying and mapping rolling wheel is provided with a plurality of tooth grooves, and the plurality of tooth grooves are evenly distributed on the back surface of the surveying and mapping rolling wheel.
[0009] Preferably, the surface of the mounting sleeve is provided with a limiting clamping groove, the surface of the limiting clamping groove is clamped with the tooth hook surface of the limiting clamping, the tooth hook is integrally formed on the inner surface of the limiting clamping, the inner surface of the limiting clamping is rotatably connected with the surface of the rotating pin, the end of the rotating pin is fixedly connected with the surface of the spring groove, the spring groove is arranged on the surface of the mounting sleeve, and the surface of the spring groove is fixedly connected with the reset spring.
[0010] Preferably, the limiting clamping groove is arranged in an arc-shaped groove, and the depth of the limiting clamping groove is equal to the length of the tooth hook of the inner surface of the limiting clamping.
[0011] Preferably, the spring groove is arranged in a rectangular groove, and the width dimension of the spring groove is equal to the width dimension of the limiting clamping.
[0012] Compared with the prior art, the distance measuring instrument body can measure the distance when the measuring rolling wheel rolls on the ground surface, the reverse rotation of the measuring rolling wheel is prevented, the inaccuracy of the distance measuring instrument body in construction distance measurement is avoided, the tooth hook of the limiting clamping can be continuously clamped with the surface of the limiting clamping groove through the elastic compression of the reset spring, the disengagement is prevented, when it is necessary to disassemble the plug-in rod from the top surface of the mounting sleeve, the limiting clamping is pressed to disengage from the surface of the limiting clamping groove, so that the plug-in rod is disassembled from the surface of the mounting sleeve, and therefore the plug-in rod and the distance measuring instrument body can be disassembled and separated; the reverse rotation of the existing distance measuring instrument for building construction is further solved, and the distance measuring instrument hand push rod for building construction can be conveniently assembled and disassembled. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole three-dimensional schematic view of the utility model structure;
[0014] Figure 2 It is a top view schematic view of the utility model structure plug-in rod;
[0015] Figure 3 It is Figure 2 It is an A-A sectional view;
[0016] Figure 4 It is a connecting schematic view of the measuring rolling wheel and the mounting sleeve;
[0017] Figure 5 It is a connecting schematic view of the distance measuring instrument body and the mounting sleeve.
[0018] In the figure: distance surveying instrument body 1, surveying rolling wheel 2, mounting sleeve 3, push rod 4, limiting clamping groove 5, limiting clamping 6, transmission gear 7, plug-in rod 8, bearing groove 9, bearing ring 10, spring groove 11, return spring 12, rotating pin 13. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and clear, the following combining with the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the utility model embodiments, and not for limiting the utility model embodiments, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.
[0020] Embodiment one
[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of surveying instrument for building construction, including distance surveying instrument body 1, the inside rotation connection surveying rolling wheel 2's pivot surface of distance surveying instrument body 1, the top surface of distance surveying instrument body 1 is fixedly connected with mounting sleeve 3, plug-in rod 8 is inserted in the inside of mounting sleeve 3, bearing groove 9 is set on the surface of plug-in rod 8, the inner ring surface of bearing ring 10 is fixedly connected on the surface of bearing groove 9, the inner ring surface of bearing ring 10 is fixedly connected with the inner ring surface of transmission gear 7, the tooth of transmission gear 7 is engaged with the back tooth slot of surveying rolling wheel 2.
[0022] By the inside rotation connection surveying rolling wheel 2's pivot surface of distance surveying instrument body 1, so that distance surveying instrument body 1 can carry out surveying to distance by surveying rolling wheel 2 when rolling on ground surface, by the surface of plug-in rod 8 is inserted into the inside of mounting sleeve 3, the inner ring of bearing ring 10 is fixedly connected with the surface of bearing groove 9, then the outer ring of bearing ring 10 is fixedly connected with the inner ring surface of transmission gear 7, the tooth of transmission gear 7 is engaged with the back tooth slot of surveying rolling wheel 2, when surveying rolling wheel 2 is transmitted transmission gear 7 and rotates on the surface of plug-in rod 8 in rolling process, because bearing ring 10 itself does not have reverse function, to prevent surveying rolling wheel 2 from appearing reverse phenomenon, avoid the inaccuracy of distance surveying instrument body 1 to construction distance surveying.
[0023] Embodiment two
[0024] Refer to the attached Figures 1 to 5 On the basis of embodiment one, in order to facilitate staff to push surveying rolling wheel 2, the top surface of plug-in rod 8 is fixedly connected with the bottom end of push rod 4, and the top end of push rod 4 is provided with handle;
[0025] The top surface of the insertion rod 8 is fixedly connected to the bottom end of the pushing rod 4, and then a handle is arranged at the top end of the pushing rod 4, so as to facilitate the staff to push the surveying and rolling wheel 2, and thus the rolling of the surveying and rolling wheel 2 passes through the distance surveying instrument body 1 to survey the construction site.
[0026] Embodiment three
[0027] Refer to the attached drawings Figures 1 to 5 On the basis of the second embodiment, in order to realize the disassembly and separation between the pushing rod 4 and the distance surveying instrument body 1, a limiting clamping groove 5 is arranged on the surface of the mounting sleeve 3, the surface of the limiting clamping groove 5 is clamped with the tooth hook surface of the limiting clamping clip 6, the tooth hook is integrally formed on the inner surface of the limiting clamping clip 6, the inner surface of the limiting clamping clip 6 is rotatably connected with the surface of the rotating pin 13, the end of the rotating pin 13 is fixedly connected with the surface of the spring groove 11, the spring groove 11 is arranged on the surface of the mounting sleeve 3, and the surface of the spring groove 11 is fixedly connected with the reset spring 12;
[0028] The end of the rotating pin 13 is fixedly connected with the surface of the spring groove 11, the surface of the rotating pin 13 is rotatably connected with the inner surface of the limiting clamping clip 6, and then the tooth hook on the inner surface of the limiting clamping clip 6 is clamped with the surface of the limiting clamping groove 5, when the insertion rod 8 is inserted into the inside of the mounting sleeve 3, thereby playing a stable limiting role between the mounting sleeve 3 and the insertion rod 8, the reset spring 12 is arranged on the surface of the spring groove 11, the tooth hook of the limiting clamping clip 6 is continuously clamped with the surface of the limiting clamping groove 5 through the elastic compression of the reset spring 12, and the tooth hook is prevented from being separated, when it is necessary to disassemble the insertion rod 8 from the top surface of the mounting sleeve 3, the limiting clamping clip 6 is pressed to be separated from the surface of the limiting clamping groove 5, thereby disassembling the insertion rod 8 from the surface of the mounting sleeve 3, and thus the disassembly and separation between the pushing rod 4 and the distance surveying instrument body 1 can be realized.
[0029] In actual use, the distance surveying instrument body 1 can survey the distance by rotating the surface of the rotating shaft connecting the surveying rolling wheel 2 inside the distance surveying instrument body 1, so that the distance surveying instrument body 1 can survey the distance when the surveying rolling wheel 2 rolls on the ground surface, the surface of the insertion rod 8 is inserted into the inside of the mounting sleeve 3, the inner ring of the bearing ring 10 is fixedly connected to the surface of the bearing groove 9, then the outer ring of the bearing ring 10 is fixedly connected to the inner ring surface of the transmission gear 7, the teeth of the transmission gear 7 are engaged with the back tooth groove of the surveying rolling wheel 2, when the surveying rolling wheel 2 drives the transmission gear 7 to rotate on the surface of the insertion rod 8 in the rolling process, the bearing ring 10 itself does not have a reverse function, thereby preventing the surveying rolling wheel 2 from rotating back, avoiding the distance surveying instrument body 1 from surveying the construction distance inaccurately, the top surface of the insertion rod 8 is fixedly connected to the bottom end of the pushing rod 4, then a handle is arranged at the top end of the pushing rod 4, so that the staff can conveniently push the surveying rolling wheel 2, therefore, the rolling of the surveying rolling wheel 2 surveys the distance of the construction site through the distance surveying instrument body 1, the end of the rotating pin 13 is fixedly connected to the surface of the spring groove 11, the surface of the rotating pin 13 is rotatably connected to the inside of the limiting clamp 6, then the tooth hook inside the limiting clamp 6 is clamped to the surface of the limiting clamping groove 5, when the insertion rod 8 is inserted into the inside of the mounting sleeve 3, thereby stably limiting the connection between the mounting sleeve 3 and the insertion rod 8, the reset spring 12 is arranged on the surface of the spring groove 11, the tooth hook of the limiting clamp 6 is continuously clamped to the surface of the limiting clamping groove 5 through the elastic compression of the reset spring 12, preventing disengagement, when it is necessary to disassemble the insertion rod 8 from the top surface of the mounting sleeve 3, the limiting clamp 6 is pressed to disengage from the surface of the limiting clamping groove 5, thereby disassembling the insertion rod 8 from the surface of the mounting sleeve 3, therefore, the pushing rod 4 and the distance surveying instrument body 1 can be disassembled and separated.
[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A surveying instrument for building construction, comprising a distance surveying instrument body (1), characterized in that: The rotating shaft surface of the measuring roller (2) is rotatably connected inside the distance measuring instrument body (1). An installation sleeve (3) is fixedly connected to the top surface of the distance measuring instrument body (1). An insertion rod (8) is inserted into the inside of the installation sleeve (3). A bearing groove (9) is opened on the surface of the insertion rod (8). The inner ring surface of the bearing ring (10) is fixedly connected to the surface of the bearing groove (9). The outer ring surface of the bearing ring (10) is fixedly connected to the inner ring surface of the transmission gear (7). The teeth of the transmission gear (7) mesh with the back tooth groove of the measuring roller (2).
2. The surveying instrument for building construction according to claim 1, characterized in that: The top surface of the plug rod (8) is fixedly connected to the bottom end of the push rod (4), and the top end of the push rod (4) is provided with a handle.
3. The surveying instrument for building construction according to claim 1, characterized in that: The back groove of the surveying rolling wheel (2) is rectangular, and the width of the groove is equal to the width of the tooth on the surface of the transmission gear (7). The back groove of the surveying rolling wheel (2) is set to a number of grooves, and the number of grooves are evenly distributed on the back surface of the surveying rolling wheel (2).
4. The surveying instrument for building construction according to claim 1, characterized in that: The surface of the mounting sleeve (3) is provided with a limiting groove (5), the surface of the limiting groove (5) is engaged with the surface of the toothed hook of the limiting clamp (6), the toothed hook is integrally formed on the inner surface of the limiting clamp (6), the surface of the rotating pin (13) is rotatably connected inside the limiting clamp (6), the end of the rotating pin (13) is fixedly connected to the surface of the spring groove (11), the spring groove (11) is provided on the surface of the mounting sleeve (3), and a return spring (12) is fixedly connected to the surface of the spring groove (11).
5. A surveying instrument for building construction according to claim 4, characterized in that: The limiting slot (5) is an arc-shaped groove, and the depth of the limiting slot (5) is equal to the length of the inner surface tooth hook of the limiting clip (6).
6. A surveying instrument for building construction according to claim 4, characterized in that: The spring groove (11) is a rectangular groove, and the width of the spring groove (11) is equal to the width of the limiting clip (6).