Surveying and mapping instrument for engineering surveying and mapping

Abstract

The utility model relates to the technical field of engineering surveying and mapping, in particular to a surveying and mapping instrument for engineering surveying and mapping. Comprising a probe mechanism and a supporting mechanism, a mounting seat is arranged at the bottom of the probe mechanism, a supporting seat is arranged at the top of the supporting mechanism, an insertion hole is formed in the supporting seat, an insertion block inserted into the insertion hole is arranged at the bottom of the mounting seat, and the bottom of the insertion block extends downwards to the position below the supporting seat; a first limiting hole is transversely formed in the bottom of the inserting block, and a second limiting block capable of being connected with the first limiting hole in an inserted mode is rotationally installed at the bottom of the supporting base. By means of the structure, when the probe mechanism is installed, the probe mechanism and the supporting mechanism can be fixed only by aligning the inserting block with the inserting hole and inserting the inserting block into the inserting hole and then rotating the second limiting block to enable the second limiting block to be inserted into the first limiting hole, operation is easy, the mounting and dismounting speed is higher, and daily use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering surveying and mapping technical field, concretely relates to a surveying and mapping appearance for engineering surveying and mapping. BACKGROUND

[0002] The surveying and mapping appearance is a kind of professional equipment for geographical space data collection, and these equipment is widely used in land surveying, topographic surveying and mapping, engineering design, building construction, resource management, disaster assessment and multiple fields.Surveying and mapping appearance can be divided into multiple types, such as total station and level, etc., and each type has its specific function and application scene.

[0003] In prior art, commonly used surveying and mapping appearance is mainly composed of probe mechanism and support mechanism, taking level as an example, probe mechanism mainly includes compensator, visual mirror and light lens, support mechanism mainly includes support seat for installing probe mechanism and support leg for supporting ground, and it is only used to read caliper number of known elevation point and caliper number of unknown elevation point to accurately calculate elevation of unknown elevation point.Probe mechanism and support mechanism are usually stored separately, and they are assembled at surveying and mapping site when surveying and mapping appearance is used.Their assembling mode is usually that screw bolt is arranged on support mechanism, screw thread hole is arranged at middle position of bottom of probe mechanism, and then screw bolt is located in screw thread hole by twisting to realize fixed assembly.The assembling speed is slow and efficiency is low by using screw bolt and screw thread hole cooperation mode in actual use process. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a surveying and mapping appearance for engineering surveying and mapping to solve the problem of slow assembling speed and low efficiency of probe mechanism and support mechanism in prior art.

[0005] The utility model is implemented by using the following technical scheme: a surveying and mapping appearance for engineering surveying and mapping, including probe mechanism and support mechanism, the bottom of probe mechanism is equipped with mounting seat, the top of support mechanism is equipped with support seat, the support seat is equipped with jack, the bottom of mounting seat is equipped with plug-in block that is inserted with jack, the bottom of plug-in block extends to the lower side of support seat, the bottom of plug-in block is equipped with first limiting hole that is arranged horizontally, the bottom of support seat is rotatably installed with second limiting block that can be inserted with first limiting hole.

[0006] Through the above structure, when installing probe mechanism, only need to insert plug-in block to the position of jack, then rotate second limiting block to insert it into first limiting hole to realize the fixation of probe mechanism and support mechanism, the operation is simple, the speed of installation and disassembly is faster, and it is more convenient for daily use.

[0007] Preferably, the mounting seat is disc-shaped, the plug, the socket, the first limiting hole and the second limiting block are each provided with three and are arranged in a circumferential array. By arranging three plug, socket, first limiting hole and second limiting block, and arranging them in a circumferential array, the installation of the probe mechanism is more stable.

[0008] Preferably, the middle of the bottom surface of the support seat is fixedly provided with a fixed shaft, a rotating sleeve is coaxially connected to the fixed shaft, three rotating blocks are fixedly arranged on the side surface of the rotating sleeve in a circumferential array, and the three rotating blocks are fixedly connected to the three second limiting blocks, respectively. By arranging the rotating sleeve and the rotating blocks, the device can rotate the rotating sleeve to simultaneously rotate the three second limiting blocks, making the device easier to operate.

[0009] Preferably, the inner side of the rotating sleeve is provided with a rotating groove, and a fixed block is fixedly arranged on the fixed shaft and located in the rotating groove in a sliding fit. By arranging the rotating groove and the fixed block, the rotating sleeve in the device can only rotate on the fixed shaft, and cannot move up and down or left and right.

[0010] Preferably, the bottom of the support seat is further fixedly provided with a circular positioning block, a second limiting hole is arranged on the side wall of the positioning block, and a push block is slidably arranged in the second limiting hole; the end of the rotating block away from the fixed shaft is in a sliding fit with the inner side wall of the positioning block, the end of the rotating block away from the fixed shaft is provided with a mounting groove, a first limiting block capable of being inserted into the second limiting hole is slidably arranged in the mounting groove, and when the first limiting block is inserted into the second limiting hole, the end of the push block away from the fixed shaft is located outside the positioning block. By arranging the positioning block, the second limiting hole and the push block, when the rotating block moves to the position of the second limiting hole, the first limiting block can be inserted into the second limiting hole, thereby fixing the rotating sleeve and preventing it from rotating due to accidental touch, further increasing the stability of the device.

[0011] Preferably, a spring is fixedly arranged in the mounting groove, the end of the spring close to the fixed shaft is fixedly connected to the inner wall of the mounting groove, and the end of the spring away from the fixed shaft is fixedly connected to the first limiting block. By arranging the spring, when the first limiting block moves to the position of the second limiting hole, it will be automatically pushed into the second limiting hole by the spring, without the need for additional operation, making the operation more convenient.

[0012] Preferably, the lower end of the rotating sleeve is fixedly connected with a mounting hand wheel, and the mounting hand wheel is fixedly connected with the rotating block. By arranging the mounting hand wheel, it is more convenient for the user to rotate the rotating sleeve.

[0013] Preferably, the support mechanism includes three arms hinged to a support base at their top ends, and legs mounted on the arms that can slide along the direction of the arms. The arrangement of the arms and legs allows the device to change the length of the support mechanism, thereby facilitating adjustments to the probe mechanism.

[0014] Preferably, the support arm is shaped like an inverted "U" and forms a sliding groove. The support leg slides into the sliding groove, and the bottom end of the support leg extends to the bottom of the support arm. This makes it easier to slide the support leg.

[0015] Preferably, a fixing sleeve is fitted onto the support arm, and a fixing bolt is installed on the fixing sleeve to abut against the support arm. The fixing sleeve and fixing bolt allow the support leg to be locked at any time, thus making the device more stable.

[0016] In summary, the beneficial effects of this utility model are as follows:

[0017] 1. By using the bottom plug of the mounting base, when the surveying instrument is needed, simply align the plug on the bottom mounting base of the surveying instrument with the plug hole on the support base and insert it. Then rotate the second limiting block at the bottom of the support base so that the second limiting block is inserted into the first limiting hole to fix the probe mechanism. In this way, the installation of the probe mechanism is simpler and the installation efficiency is higher.

[0018] 2. By setting the second limiting hole on the positioning block and the first limiting block on the rotating block, the first limiting block can be inserted into the second limiting hole when the second limiting block is inserted into the first limiting hole, thereby preventing the second limiting block from reversing and dislodging from the first limiting hole, making the device more stable. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of the probe mechanism;

[0021] Figure 3 This is a schematic diagram of the overall structure of the supporting mechanism;

[0022] Figure 4 This is a structural diagram of the connection structure between the mounting base and the support base.

[0023] Figure 5 for Figure 4 The main view;

[0024] Figure 6 This is a structural diagram of the lower surface of the support base;

[0025] Figure 7 A schematic diagram of the structure for mounting the upper surface of the handwheel;

[0026] Figure 8 For Figure 5 Cross-sectional view at the position of "A-A".

[0027] In the figure: 1 - compensator; 11 - sighting mirror; 12 - coarse collimator; 13 - light lens; 14 - focusing hand wheel; 15 - fine adjustment knob; 16 - dial; 17 - positioning seat; 18 - level;

[0028] 2 - mounting seat; 21 - adjusting bolt; 22 - screw hand wheel; 23 - plug; 24 - first limiting hole;

[0029] 3 - support seat; 31 - support arm; 32 - support leg; 33 - fixing sleeve; 34 - fixing bolt; 35 - foot support; 36 - insertion hole; 37 - fixing shaft; 38 - fixing block;

[0030] 4 - mounting hand wheel; 41 - rotating block; 42 - first limiting block; 43 - second limiting block; 44 - rotating sleeve; 45 - rotating groove; 46 - mounting groove; 47 - spring;

[0031] 5 - positioning block; 51 - push block; 52 - second limiting hole. DETAILED DESCRIPTION

[0032] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0033] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] The following is a description of the preferred embodiments of the present application in conjunction with the accompanying drawings.

[0035] As Figure 1 , Figure 2As shown, this utility model provides a surveying instrument for engineering surveying, including a probe mechanism and a support mechanism. Taking a level as an example, the probe mechanism includes a mounting base 2 at the bottom of the probe mechanism and a compensator 1 at the top of the probe mechanism. An eyepiece 11 and a light lens 13 for observation are respectively provided at the front and rear ends of the compensator 1. A spiral handwheel 22 and an adjusting bolt 21 for fine-tuning the level of the compensator 1 are provided on the top of the mounting base 2. By rotating the spiral handwheel 22, the adjusting bolt 21 can be moved slightly up and down, thereby fine-tuning the levelness of the compensator 1. A scale 16 is fixedly installed on the top of the adjusting bolt 21, and a positioning seat 17 is rotatably installed on the top of the scale 16. The top of the positioning seat 17 is fixedly connected to the compensator 1, and a fine-tuning knob 15 is also provided on the side of the positioning seat 17. Rotating the fine-tuning knob 15 allows the compensator 1 to rotate. A level 18 for observing whether the compensator 1 is level is also provided on the upper surface of the positioning seat 17. The compensator 1 has a focusing handwheel 14 on its side for adjusting the focus, and a coarse aiming device 12 on its top for roughly finding the position.

[0036] The specific structures of the probe mechanisms described above are all existing technologies and are similar to those of other surveying instruments, so they will not be elaborated on here.

[0037] like Figure 1 , Figure 3 As shown, the support mechanism includes a support base 3 located above the support mechanism. The tops of three support arms 31 are hinged to the edge of the support base 3. The three support arms 31 are arranged in a circumferential array, and support legs 32, which can slide along the direction of the support arms 31, are mounted on the support arms 31. Specifically, the support arms 31 are inverted "U" shapes, forming a sliding groove, and the support legs 32 slide in conjunction with the sliding groove. The bottom end of the support legs 32 extends below the support arms 31 and is pointed. A footrest 35 for stepping on the support legs 32 is provided at the bottom of the support legs 32.

[0038] A fixing sleeve 33 is also fitted onto the support arm 31, and a fixing bolt 34 is installed on the fixing sleeve 33 to abut against the support arm 31.

[0039] When in use, first need to twist the fixing bolt 34, so that the fixed bolt 34 no longer against the support arm 31, at this time can slide the support leg 32, so that the support leg 32 extends. After extending the appropriate length, twist the fixed bolt 34 again, so that the fixed bolt 34 against the support arm 31, so that the support arm 31 clamps the support leg 32, so as to realize the fixation of the support leg 32, in this way, first, it is convenient to carry, when not in use, the support leg 32 can be retracted, thereby reducing the length of the supporting mechanism, more convenient to carry and store, second, the length-variable supporting mechanism can be applied to different scenes, and the applicability is stronger. When the support leg 32 is fixed, rotate the support arm 31 to make the supporting mechanism open, then install the probe mechanism on the support seat 3, then rotate the support arm 31 to coarsely adjust the horizontal position of the probe mechanism, step on the foot support 35 after the adjustment is completed, so that it is fixed more stably, then the screw hand wheel 22 and the fine adjustment hand wheel on the probe mechanism are used for fine adjustment.

[0040] As shown in Figure 1 , Figures 4 to 8 The fixed connection mode of the probe mechanism and the supporting mechanism is mainly realized by the following structure: the support seat 3 is provided with a insertion hole 36, the bottom of the mounting seat 2 is provided with a insertion block 23 which is inserted with the insertion hole 36, and the bottom of the insertion block 23 extends downward to the lower side of the support seat 3. The bottom of the insertion block 23 is provided with a first limiting hole 24 which is horizontally arranged, and the bottom of the support seat 3 is rotatably provided with a second limiting block 43 which can be inserted with the first limiting hole 24. Among them, the mounting seat 2 is disc-shaped, and the insertion block 23, the insertion hole 36, the first limiting hole 24 and the second limiting block 43 are all provided with three and are arranged in a circumferential array.

[0041] A fixed shaft 37 is fixedly installed on the middle of the bottom surface of the support seat 3, and a rotating sleeve 44 is coaxially connected to the fixed shaft 37; specifically, a rotating groove 45 is arranged on the inner side of the rotating sleeve 44, a fixed block 38 is fixedly installed on the fixed shaft 37, and the fixed block 38 is located in the rotating groove 45 and is in sliding fit with the rotating groove 45. The side surface of the rotating sleeve 44 is fixedly provided with three circumferentially arranged rotating blocks 41, and the three rotating blocks 41 are fixedly connected with the three second limiting blocks 43.

[0042] A circular positioning block 5 is also fixedly installed on the bottom of the support seat 3, a second limiting hole 52 is arranged on the side wall of the positioning block 5, and a push block 51 is slidably installed on the second limiting hole 52; the end of the rotating block 41 away from the fixed shaft 37 is in sliding fit with the inner side wall of the positioning block 5, the end of the rotating block 41 away from the fixed shaft 37 is provided with an installation groove 46, and the first limiting block 42 which can be inserted with the second limiting hole 52 is slidably installed in the installation groove 46, when the first limiting block 42 is inserted with the second limiting hole 52, the end of the push block 51 away from the fixed shaft 37 is located on the outer side of the positioning block 5.

[0043] The first limiting block 42 can be inserted into the second limiting hole 52 manually or automatically, and in the embodiment, a spring 47 is fixedly arranged in the mounting groove 46, one end of the spring 47 close to the fixed shaft 37 is fixedly connected with the inner wall of the mounting groove 46, and the other end of the spring 47 far from the fixed shaft 37 is fixedly connected with the first limiting block 42.

[0044] In order to rotate the rotating sleeve 44 more conveniently, a mounting hand wheel 4 is fixedly connected with the lower end of the rotating sleeve 44, and the mounting hand wheel 4 is fixedly connected with the rotating block 41.

[0045] The use principle of the device is as follows: the plug block 23 on the mounting seat 2 of the probe mechanism is inserted into the position of the insertion hole 36 of the support seat 3, then the mounting hand wheel 4 is rotated, the second limiting block 43 is driven to rotate, and the second limiting block 43 is inserted into the first limiting hole 24. When the second limiting block 43 is completely inserted into the first limiting hole 24, the first limiting block 42 is just rotated to the position of the second limiting hole 52, and under the action of the spring 47, the first limiting block 42 is inserted into the second limiting hole 52 and pushes out the push block 51, so that the fixing is realized. When the probe mechanism needs to be removed, the push block 51 is pressed back, under the action of the push block 51, the first limiting block 42 is withdrawn into the mounting groove 46, then the mounting hand wheel 4 is reversely rotated, so that the second limiting block 43 is separated from the first limiting hole, and then the probe mechanism is pulled out and placed in the placing box.

[0046] In summary, the surveying instrument for engineering surveying is fixedly arranged on the bottom plug block 23 of the mounting seat 2, when the surveying instrument needs to be used, the plug block 23 on the bottom of the mounting seat 2 of the surveying instrument is inserted into the insertion hole 36 on the support seat 3, then the second limiting block 43 at the bottom of the support seat 3 is rotated, so that the second limiting block 43 is inserted into the first limiting hole 24, the fixed mounting of the probe mechanism is realized, the installation of the probe mechanism is more convenient and efficient through the above-mentioned mode. Through the arrangement of the second limiting hole 52 on the positioning block 5 and the first limiting block 42 on the rotating block 41, when the second limiting block 43 is inserted into the first limiting hole 24, the first limiting block 42 can be inserted into the second limiting hole 52, so that the second limiting block 43 is prevented from being reversed and separated from the first limiting hole 24, and the device is more stable.

[0047] The above-mentioned is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and replacements can be made without departing from the technical principle of the utility model, and these improvements and replacements should also be regarded as the protection range of the utility model.

Claims

1. A surveying instrument for engineering surveying, comprising a probe mechanism and a support mechanism, the bottom of the probe mechanism is provided with a mounting seat (2), and the top of the support mechanism is provided with a support seat (3), characterized in that, The support seat (3) is provided with a jack (36), the bottom of the mounting seat (2) is provided with a plug block (23) which is plugged with the jack (36), the bottom of the plug block (23) extends downward to the lower side of the support seat (3); the bottom of the plug block (23) is provided with a transversely arranged first limiting hole (24), the bottom of the support seat (3) is rotatably provided with a second limiting block (43) which can be plugged with the first limiting hole (24); the mounting seat (2) is disc-shaped, the plug block (23), the jack (36), the first limiting hole (24) and the second limiting block (43) are all provided with three and are arranged in a circumferential array; the middle of the bottom surface of the support seat (3) is fixedly provided with a fixed shaft (37), the fixed shaft (37) is coaxially and rotatably connected with a rotating sleeve (44), the side surface of the rotating sleeve (44) is fixedly provided with three circumferentially arranged rotating blocks (41), and the three rotating blocks (41) are fixedly connected with the three second limiting blocks (43) respectively.

2. The plotter according to claim 1, wherein The inner side of the rotating sleeve (44) is annularly provided with a rotating groove (45), the fixed shaft (37) is fixedly provided with a fixed block (38), and the fixed block (38) is located in the rotating groove (45) and is in sliding fit with the rotating groove (45).

3. The plotter according to claim 1, wherein The bottom of the support seat (3) is further fixedly provided with a circular positioning block (5), the side wall of the positioning block (5) is provided with a second limiting hole (52), and the second limiting hole (52) is slidably provided with a push block (51); one end of the rotating block (41) away from the fixed shaft (37) is in sliding fit with the inner side wall of the positioning block (5), one end of the rotating block (41) away from the fixed shaft (37) is provided with a mounting groove (46), the mounting groove (46) is slidably provided with a first limiting block (42) which can be plugged with the second limiting hole (52), and when the first limiting block (42) is plugged with the second limiting hole (52), one end of the push block (51) away from the fixed shaft (37) is located at the outer side of the positioning block (5).

4. The plotter according to claim 3, wherein The mounting groove (46) is fixedly provided with a spring (47), one end of the spring (47) close to the fixed shaft (37) is fixedly connected with the inner wall of the mounting groove (46), and the other end of the spring (47) away from the fixed shaft (37) is fixedly connected with the first limiting block (42).

5. The plotter according to claim 1, wherein The lower end of the rotating sleeve (44) is fixedly connected with a mounting hand wheel (4), and the mounting hand wheel (4) is fixedly connected with the rotating block (41).

6. The plotter according to claim 1, wherein The support mechanism comprises three support arms (31) which are hingedly connected with the support seat (3), and the support arms (31) are provided with support legs (32) which can slide along the direction of the support arms (31).

7. The plotter according to claim 6, wherein The support arm (31) is in the shape of an inverted "U" and forms a sliding groove, the support leg (32) is in sliding fit with the sliding groove, and the bottom end of the support leg (32) extends to the lower side of the support arm (31).

8. The plotter according to claim 7, characterized in that The support arm (31) is sleeved with a fixing sleeve (33), and the fixing sleeve (33) is provided with a fixing bolt (34) which can abut against the support arm (31).

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