CN117346034B

CN117346034B - Portable mapping tool

Info

Publication number: CN117346034B
Application number: CN202311584335.8A
Authority: CN
Inventors: 刘志刚; 徐淑华; 张焕臣; 念以勇; 刘志凯; 张瑞; 刘强
Original assignee: Shandong Hualan Surveying And Mapping Technology Co ltd
Current assignee: Shandong Hualan Surveying And Mapping Technology Co ltd
Priority date: 2023-11-25
Filing date: 2023-11-25
Publication date: 2024-03-22
Anticipated expiration: 2043-11-25
Also published as: CN117346034A

Abstract

The invention is suitable for the field of surveying and mapping, and provides a portable surveying and mapping tool which comprises a top plate, wherein a plurality of supporting legs are hinged to the bottom of the top plate, one ends of the supporting legs are sleeved with middle sleeves, one ends of the middle sleeves are respectively inserted with a supporting leg, and the side surfaces of one ends of the middle sleeves, which are close to the supporting legs, are connected with fastening bolts through threads. According to the invention, the coarse adjustment mechanism is arranged, so that the adjustment of the supporting legs is controlled, and the surveying instrument can be accurately adjusted; by arranging the support, the complement mechanism, the fixing mechanism and the driving mechanism, when the supporting leg is opened, the driving mechanism drives the complement mechanism to extend out of the support, so that uneven ground is complemented, and then the complement mechanism is fixed by the fixing mechanism, so that the support is shaped, the support is placed more stably, and the stability of the device is improved; when not in use, the supporting legs and the supporting feet are all accommodated in the middle sleeve, the volume of the device is reduced, and the device is convenient to store and carry.

Description

Portable mapping tool

Technical Field

The invention belongs to the field of surveying and mapping, and particularly relates to a portable surveying and mapping tool.

Background

Surveying and mapping are the processes of measuring and collecting the shape, size, spatial position, attribute and the like of natural geographic elements or surface artificial facilities, a surveying and mapping tripod is a tripod used for supporting surveying and mapping instruments in the surveying and mapping process, the surveying and mapping instruments are usually placed on the tripod, then targets are arranged at destination points, and finally the positions where the targets are located are surveyed by the surveying and mapping instruments.

The foot pole of pull structure is adopted to traditional tripod, when using, needs the foot pole of manual pulling tripod, just can carry out high leveling to the surveying instrument, and the distance of manual pulling foot pole is difficult to control, and then makes leveling angle be difficult to control to, the frictional force between tripod bottom pointed end and the ground is less, and the foot pole slides easily, and stability is relatively poor, especially in the measuring environment of slope and ground unevenness, is difficult for the installation, and its measurement stability also receives certain influence, inconvenient operation.

To avoid the above-mentioned problems, it is necessary to provide a portable mapping tool to overcome the drawbacks of the prior art.

Disclosure of Invention

The invention aims to provide a portable surveying and mapping tool, which aims to solve the problems that a foot rod is not easy to control when being pulled manually and the stability of a tripod is poor.

The portable surveying and mapping tool comprises a top plate, wherein the bottom of the top plate is hinged with a plurality of supporting legs, one ends of the supporting legs are sleeved with middle sleeves, one ends of the middle sleeves are respectively inserted with supporting legs, one end side surface of each middle sleeve, which is close to each supporting leg, of each middle sleeve is connected with a fastening bolt in a threaded manner, one end of each fastening bolt is abutted to one side surface of each supporting leg, one end of each supporting leg is hinged with a supporting seat, and the portable surveying and mapping tool further comprises:

the surveying and mapping assembly is arranged at the top of the top plate and is used for surveying and mapping;

the output ends of the coarse adjustment mechanisms are in transmission connection with the supporting legs, and the coarse adjustment mechanisms are used for adjusting the supporting legs;

the supplementing mechanisms are respectively arranged in the supports and comprise lifting plates which are in sliding connection with the supports, a plurality of supplementing supporting rods penetrate through the lifting plates and are in sliding connection with the lifting plates, and a first compression spring is connected between each supplementing supporting rod and each lifting plate;

the fixing mechanisms are respectively arranged in the supports, one ends of the fixing mechanisms are connected to the lifting plate, the output ends of the fixing mechanisms can be respectively abutted to the supplementing supporting rods, and the fixing mechanisms are used for fixing the supplementing supporting rods after the supplementing mechanisms supplement the ground;

the supporting legs are arranged on the supporting seats, the supporting legs are connected with the supporting seats in a closed state, the supporting legs are connected with the supporting seats in a driving mode, the supporting seats are connected with the supporting seats in a driving mode, and the supporting seats are connected with the supporting seats in a driving mode.

Further technical scheme, survey and drawing subassembly is including rotating the rotation seat of connecting on the roof, the top fixedly connected with rotation board of rotation seat, the top of rotation board is connected with the mounting panel through a plurality of fine setting mechanism, and is a plurality of fine setting mechanism is around the axle center evenly distributed who rotates the seat, fixed mounting has the surveying instrument on the mounting panel.

Further technical scheme, fine setting mechanism includes the screw thread seat of fixed connection on the pivoted plate, the side threaded connection of screw thread seat has first screw rod, the one end fixedly connected with ball head of first screw rod, the bottom fixedly connected with of mounting panel and ball cover that the ball head agrees with mutually, fixedly connected with fine setting wheel on the first screw rod.

Further technical scheme, coarse adjustment mechanism is including rotating the inside second screw rod of connection at middle part sleeve pipe, the one end threaded connection of second screw rod is on the landing leg, the cavity has been seted up to middle part sheathed tube inside, the one end fixedly connected with first gear of cavity is stretched to the second screw rod, the inside rotation of cavity is connected with first axis of rotation, fixedly connected with second gear on the first axis of rotation, second gear and first gear engagement are connected, still fixedly connected with coarse adjustment wheel on the first axis of rotation, one side of coarse adjustment wheel stretches out the middle part sleeve pipe.

Further technical scheme, fixed establishment includes sliding connection at the inside limiting plate of support, the limiting plate is close to the side fixedly connected with guide bar of lifter plate, the one end fixedly connected with separation blade that the guide bar runs through the lifter plate, be connected with second compression spring between limiting plate and the lifter plate, the top rotation of lifter plate is connected with the third screw rod, the middle part and the limiting plate threaded connection of third screw rod, the one end fixedly connected with handle that the third screw rod stretches out the support, the limiting plate is close to the side-mounting of lifter plate has a plurality of clamping mechanism, and a plurality of clamping mechanism respectively with a plurality of complement branch is corresponding, when the lifter plate removes to the lifter plate direction, clamping mechanism can press from both sides complement branch tightly and fix.

Further technical scheme, clamping mechanism includes two clamping jaws of sliding connection in limiting plate bottom, set up the spout that supplies the clamping jaw activity on the limiting plate, two be connected with the third compression spring between the clamping jaw, two the tip lateral surface of clamping jaw is the inclined plane, the side fixedly connected with direction bounding wall that the lifter plate is close to the limiting plate, two the tip of clamping jaw all stretches into the inside of direction bounding wall.

Further technical scheme, the link gear includes:

the driving rod is rotationally connected to the support, the driving rod sequentially penetrates through the limiting plate and the lifting plate, a first through hole for the driving rod to penetrate through is formed in the limiting plate, a second through hole for the driving rod to penetrate through is formed in the lifting plate, a thread groove is formed in the driving rod, a guide post matched with the thread groove is fixedly connected to the side face of the second through hole, and the guide post is slidably connected to the inside of the thread groove;

the first rotating rod is rotationally connected inside the supporting leg, one end of the first rotating rod, which is close to the support, is slidingly connected with a connecting rod, and the connecting rod is connected with one end of the driving rod through a universal joint;

the second rotating rod is rotationally connected to the inside of the middle sleeve, and one end of the second rotating rod is in sliding connection with one end of the first rotating rod;

the third rotating rod is rotationally connected to the inside of the supporting leg, and one end of the third rotating rod, which is close to the middle sleeve, is in sliding connection with the second rotating rod;

the driving mechanism is arranged on the supporting leg, two ends of the driving mechanism are connected between the third rotating rod and the top plate, when the supporting leg rotates, the driving mechanism is used for driving the third rotating rod to rotate, and the third rotating rod sequentially drives the second rotating rod, the first rotating rod, the connecting rod, the universal joint and the driving rod to rotate, and the driving rod drives the lifting plate to move.

Further technical scheme, actuating mechanism is including rotating the second axis of rotation of connection on the landing leg, fixedly connected with first conical gear in the second axis of rotation, the one end fixedly connected with second conical gear of third dwang, first conical gear and second conical gear meshing are connected, still fixedly connected with third gear in the second axis of rotation, the bottom fixedly connected with fourth gear of roof, third gear and fourth gear meshing are connected, and the axle center of fourth gear and the pivot coincidence of rotation of landing leg.

Compared with the prior art, the invention has the following beneficial effects:

1. the coarse adjustment wheel is rotated, the first rotation shaft is driven to rotate by the coarse adjustment wheel, the second gear is driven to rotate by the first rotation shaft, the first gear is driven to rotate by the first gear, the second screw is driven to rotate by the first gear, the supporting leg is driven to move by the second screw under the condition that the middle sleeve is fixed, and one side of the mounting plate is driven to lift by the supporting leg, so that the mounting plate tends to be horizontal, the mounting plate and the surveying instrument can be quickly leveled by using the coarse adjustment mechanism, the moving distance of the supporting leg is controlled, and the operation is more convenient;

2. the supporting leg is rotated outwards, the supporting leg drives a third gear to rotate around a fourth gear, the third gear drives a second rotating shaft, a first conical gear, a second conical gear and a third rotating rod to rotate, the third rotating rod sequentially drives the second rotating rod, the first rotating rod, a connecting rod, a universal joint and a driving rod to rotate, the driving rod drives a lifting plate to move through a guide post, the lifting plate drives a plurality of complement struts to extend out of a support, the support is placed on the ground, the complement struts fill up the concave part of the ground, the friction force between the support and the ground is increased, then a handle is rotated, the handle drives a third screw to rotate, a limiting plate is driven to approach the lifting plate by the third screw, the limiting plate drives clamping jaws to gradually extend into a guide coaming, and the complement struts are clamped and fixed by the two clamping jaws, so that the complement struts are fixed on the lifting plate and the support, and the support is placed more stably;

3. the fine adjustment wheel is rotated, the first screw is driven to rotate by the fine adjustment wheel, and the first screw moves in the screw seat, so that one end of the mounting plate can be driven to move, and levelness adjustment can be carried out on the mounting plate and the surveying instrument, so that the surveying instrument can be quickly adjusted to be horizontal, and the surveying instrument can be accurately adjusted to be horizontal by the fine adjustment mechanism, so that measurement is more accurate;

4. when not in use, the supporting legs and the supporting feet are all accommodated in the middle sleeve, the volume of the device is reduced, and the device is convenient to store and carry.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of a leg of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2C according to the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2D according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 2E according to the present invention;

FIG. 8 is a schematic top perspective view of the support of the present invention;

FIG. 9 is a schematic bottom perspective view of the stand of the present invention;

FIG. 10 is a schematic view of the mounting structure of the make-up mechanism and the securing mechanism of the present invention;

FIG. 11 is a schematic side cross-sectional view of the mount of the present invention;

fig. 12 is an enlarged schematic view of the structure of fig. 11 at F according to the present invention.

In the accompanying drawings: 1. a top plate; 2. a support leg; 3. a middle sleeve; 4. a support leg; 5. a fastening bolt; 6. a support; 7. a mapping assembly; 71. a rotating seat; 72. a rotating plate; 73. a fine adjustment mechanism; 731. a screw seat; 732. a first screw; 733. a spherical head; 734. a spherical sleeve; 735. a fine tuning wheel; 74. a mounting plate; 75. a mapping instrument; 8. a coarse adjustment mechanism; 81. a second screw; 82. a first gear; 83. a second gear; 84. a coarse adjustment wheel; 9. a complement mechanism; 91. a lifting plate; 92. supplementing the supporting rod; 93. a first compression spring; 10. a fixing mechanism; 101. a limiting plate; 102. a guide rod; 103. a baffle; 104. a second compression spring; 105. a third screw; 106. a handle; 107. a clamping mechanism; 1071. a clamping jaw; 1072. a chute; 1073. a third compression spring; 1074. guiding coaming; 11. a linkage mechanism; 111. a driving rod; 112. a thread groove; 113. a guide post; 114. a first rotating lever; 115. a connecting rod; 116. a universal joint; 117. a second rotating lever; 118. a third rotating lever; 119. a driving mechanism; 1191. a second rotation shaft; 1192. a first bevel gear; 1193. a second bevel gear; 1194. a third gear; 1195. and a fourth gear.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Specific implementations of the invention are described in detail below in connection with specific embodiments.

As shown in fig. 1-12, the portable mapping tool provided by the invention comprises a top plate 1, wherein a plurality of supporting legs 2 are hinged at the bottom of the top plate 1, one ends of the supporting legs 2 are respectively sleeved with a middle sleeve 3, one ends of the middle sleeves 3 are respectively inserted with a supporting foot 4, one end side surface of the middle sleeve 3, which is close to the supporting foot 4, is in threaded connection with a fastening bolt 5, one end of the fastening bolt 5 is in butt joint with the side surface of the supporting foot 4, and one end of the supporting foot 4 is hinged with a supporting seat 6, and the portable mapping tool further comprises:

a mapping assembly 7, said mapping assembly 7 being mounted on top of the top plate 1, the mapping assembly 7 being for mapping;

the device comprises a plurality of coarse adjusting mechanisms 8, wherein the coarse adjusting mechanisms 8 are respectively arranged on a plurality of middle sleeves 3, the output ends of the coarse adjusting mechanisms 8 are in transmission connection with supporting legs 2, and the coarse adjusting mechanisms 8 are used for adjusting the supporting legs 2 so as to adjust the levelness of a top plate 1 and a mapping assembly 7;

the plurality of supplementing mechanisms 9, a plurality of supplementing mechanisms 9 are respectively arranged in the plurality of supports 6, the supplementing mechanisms 9 comprise lifting plates 91 which are slidably connected in the supports 6, a plurality of supplementing support rods 92 penetrate through the lifting plates 91 and are slidably connected with the lifting plates 91, first compression springs 93 are connected between the supplementing support rods 92 and the lifting plates 91, the lifting plates 91 are lowered on uneven ground, the lifting plates 91 drive the supplementing support rods 92 to extend out of the supports 6, and the plurality of supplementing support rods 92 are raised to different heights under the action of the first compression springs 93 according to different sunken ground, so that the ground is supplemented, and the supports 6 are placed more stably;

the fixing mechanisms 10 are respectively arranged in the supports 6, one ends of the fixing mechanisms 10 are connected to the lifting plate 91, a plurality of output ends of the fixing mechanisms 10 can be respectively abutted with the plurality of complement struts 92, and after the complement mechanisms 9 complement the ground, the fixing mechanisms 10 are used for fixing the plurality of complement struts 92, so that the complement struts 92 are fixed with the supports 6, and the supports 6 are placed more stably;

a plurality of linkage mechanisms 11, wherein the plurality of linkage mechanisms 11 are respectively arranged on the plurality of supports 6, one end of each linkage mechanism 11 is in transmission connection with the lifting plate 91, the other end of each linkage mechanism 11 is connected with the top plate 1, when the supporting leg 2 rotates, the linkage mechanism 11 is used for driving the lifting plate 91 to lift, in particular, when the supporting leg 2 is unfolded outwards from the closed state, the linkage mechanism 11 drives the lifting plate 91 to descend, so that the lifting plate 91 drives the complement supporting rod 92 to extend out of the support 6.

In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the mapping assembly 7 includes a rotating base 71 rotatably connected to the top plate 1, a rotating plate 72 is fixedly connected to the top of the rotating base 71, the top of the rotating plate 72 is connected to a mounting plate 74 through a plurality of fine adjustment mechanisms 73, the fine adjustment mechanisms 73 are uniformly distributed around the axis of the rotating base 71, and a mapping instrument 75 is fixedly mounted on the mounting plate 74.

In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the fine adjustment mechanism 73 includes a threaded seat 731 fixedly connected to the rotating plate 72, a first screw 732 is screwed on a side surface of the threaded seat 731, one end of the first screw 732 is fixedly connected to a spherical head 733, a spherical sleeve 734 engaged with the spherical head 733 is fixedly connected to the bottom of the mounting plate 74, and a fine adjustment wheel 735 is fixedly connected to the first screw 732.

During fine tuning, the fine tuning wheel 735 is rotated, the fine tuning wheel 735 drives the first screw 732 to rotate, and the first screw 732 moves in the threaded seat 731, so that one end of the mounting plate 74 can be driven to move, and further levelness adjustment can be performed on the mounting plate 74.

In the embodiment of the present invention, as shown in fig. 5, as a preferred embodiment of the present invention, the coarse adjustment mechanism 8 includes a second screw 81 rotatably connected to the inside of the middle casing 3, one end of the second screw 81 is screwed to the supporting leg 2, a cavity is formed in the inside of the middle casing 3, one end of the second screw 81 extending into the cavity is fixedly connected with a first gear 82, the inside of the cavity is rotatably connected with a first rotation shaft, a second gear 83 is fixedly connected to the first rotation shaft, the second gear 83 is in meshed connection with the first gear 82, a coarse adjustment wheel 84 is fixedly connected to the first rotation shaft, and one side of the coarse adjustment wheel 84 extends out of the middle casing 3.

During coarse adjustment, the coarse adjustment wheel 84 is rotated, the coarse adjustment wheel 84 drives the first rotating shaft to rotate, the first rotating shaft drives the second gear 83 to rotate, the second gear 83 drives the first gear 82 to rotate, the first gear 82 drives the second screw 81 to rotate, under the condition that the middle sleeve 3 is fixed, the second screw 81 drives the supporting leg 2 to move, so that the length of the supporting leg 2 extending out of the middle sleeve 3 can be adjusted, when the device is not used, the supporting leg 2 can be completely contained in the middle sleeve 3, the length of the supporting leg 2 and the length of the middle sleeve 3 are shortened, then the supporting leg 4 is contained in the middle sleeve 3, the overall length of the supporting leg 2, the middle sleeve 3 and the supporting leg 4 are shortened, and the size of the device is reduced, so that the device is convenient to carry.

In the embodiment of the present invention, as shown in fig. 8-12, as a preferred embodiment of the present invention, the fixing mechanism 10 includes a limiting plate 101 slidably connected inside the support 6, a side surface of the limiting plate 101, which is close to the lifting plate 91, is fixedly connected with a guide rod 102, one end of the guide rod 102, which penetrates through the lifting plate 91, is fixedly connected with a baffle plate 103, a second compression spring 104 is connected between the limiting plate 101 and the lifting plate 91, a third screw 105 is rotatably connected to the top of the lifting plate 91, a middle part of the third screw 105 is in threaded connection with the limiting plate 101, one end, which extends out of the support 6, of the third screw 105 is fixedly connected with a handle 106, a plurality of clamping mechanisms 107 are installed on a side surface of the limiting plate 101, which is close to the lifting plate 91, and the plurality of clamping mechanisms 107 respectively correspond to the plurality of complement struts 92, and when the limiting plate 101 moves toward the lifting plate 91, the clamping mechanisms 107 can clamp and fix the complement struts 92.

In the embodiment of the present invention, as shown in fig. 12, as a preferred embodiment of the present invention, the clamping mechanism 107 includes two clamping jaws 1071 slidably connected to the bottom of the limiting plate 101, a sliding slot 1072 for the clamping jaws 1071 to move is formed on the limiting plate 101, a third compression spring 1073 is connected between the two clamping jaws 1071, the outer sides of the end portions of the two clamping jaws 1071 are inclined surfaces, the side surface of the lifting plate 91, which is close to the limiting plate 101, is fixedly connected with a guiding coaming 1074, and the end portions of the two clamping jaws 1071 extend into the guiding coaming 1074.

After the support 6 is placed, the handle 106 is rotated, the handle 106 drives the third screw rod 105 to rotate, the third screw rod 105 drives the limiting plate 101 to approach the lifting plate 91, along with the fact that the limiting plate 101 approaches the lifting plate 91, the clamping jaw 1071 gradually stretches into the guide coaming 1074, and under the action of the inclined plane of the clamping jaw 1071, the two clamping jaws 1071 approach each other, so that the complement supporting rod 92 can be clamped and fixed.

In the embodiment of the present invention, as shown in fig. 3 to 11, as a preferred embodiment of the present invention, the linkage 11 includes:

the driving rod 111 is rotatably connected to the support 6, the driving rod 111 sequentially penetrates through the limiting plate 101 and the lifting plate 91, a first through hole for the driving rod 111 to penetrate through is formed in the limiting plate 101, a second through hole for the driving rod 111 to penetrate through is formed in the lifting plate 91, a threaded groove 112 is formed in the driving rod 111, a guide post 113 matched with the threaded groove 112 is fixedly connected to the side face of the second through hole, and the guide post 113 is slidably connected to the inside of the threaded groove 112;

a first rotating rod 114, wherein the first rotating rod 114 is rotatably connected inside the support leg 4, one end of the first rotating rod 114 close to the support 6 is slidably connected with a connecting rod 115, and the connecting rod 115 is connected with one end of the driving rod 111 through a universal joint 116;

a second rotating rod 117, wherein the second rotating rod 117 is rotatably connected inside the middle sleeve 3, and one end of the second rotating rod 117 is slidably connected with one end of the first rotating rod 114;

a third rotating rod 118, wherein the third rotating rod 118 is rotatably connected inside the supporting leg 2, and one end of the third rotating rod 118, which is close to the middle sleeve 3, is slidably connected with the second rotating rod 117;

the driving mechanism 119, the driving mechanism 119 is installed on the landing leg 2, two ends of the driving mechanism 119 are connected between the third rotating rod 118 and the top plate 1, when the landing leg 2 rotates, the driving mechanism 119 is used for driving the third rotating rod 118 to rotate, the third rotating rod 118 sequentially drives the second rotating rod 117, the first rotating rod 114, the connecting rod 115, the universal joint 116 and the driving rod 111 to rotate, and the driving rod 111 drives the lifting plate 91 to move.

In the embodiment of the present invention, as shown in fig. 3 to 4, as a preferred embodiment of the present invention, the driving mechanism 119 includes a second rotation shaft 1191 rotatably connected to the support leg 2, a first bevel gear 1192 is fixedly connected to the second rotation shaft 1191, a second bevel gear 1193 is fixedly connected to one end of the third rotation rod 118, the first bevel gear 1192 is meshed with the second bevel gear 1193, a third gear 1194 is fixedly connected to the second rotation shaft 1191, a fourth gear 1195 is fixedly connected to the bottom of the top plate 1, the third gear 1194 is meshed with the fourth gear 1195, and the axle center of the fourth gear 1195 coincides with the rotation pivot of the support leg 2.

When the support leg 2 rotates, the support leg 2 drives the third gear 1194 to rotate around the fourth gear 1195, and under the condition that the fourth gear 1195 is fixed, the third gear 1194 drives the second rotation shaft 1191 to rotate, the second rotation shaft 1191 drives the first conical gear 1192 to rotate, the first conical gear 1192 drives the second conical gear 1193 to rotate, and the second conical gear 1193 drives the third rotation rod 118 to rotate.

In use, the fastening bolt 5 is loosened, the support leg 4 is pulled out, the fastening bolt 5 is tightened again, the support leg 4 and the middle sleeve 3 are fixed, then the support leg 2 is rotated outwards according to different floors, the support leg 2 drives the third gear 1194 to rotate around the fourth gear 1195, under the action of the fourth gear 1195, the third gear 1194 drives the second rotation shaft 1191 to rotate, the second rotation shaft 1191 drives the first conical gear 1192 to rotate, the first conical gear 1192 drives the second conical gear 1193 to rotate, the second conical gear 1193 drives the third rotation rod 118 to rotate, the third rotation rod 118 sequentially drives the second rotation rod 117, the first rotation rod 114, the connecting rod 115, the universal joint 116 and the driving rod 111 to rotate, the driving rod 111 drives the lifting plate 91 to move through the guide post 113, the lifting plate 91 drives the limiting plate 101 to synchronously move through the blocking piece 103 and the guide rod 102, simultaneously, the lifting plate 91 drives the plurality of complement struts 92 to extend out of the support 6, then the angle of the support 6 is adjusted to enable the support 6 to be parallel to the ground, the support 6 is placed on the ground, under the action of the reaction force, the ground jacks up the plurality of complement struts 92, so that the complement struts 92 fill up the concave part of the ground, the friction force between the support 6 and the ground is increased, then the handle 106 is rotated, the handle 106 drives the third screw 105 to rotate, the third screw 105 drives the limiting plate 101 to approach the lifting plate 91, as the limiting plate 101 approaches the lifting plate 91, the clamping jaw 1071 gradually extends into the guide coaming 1074, under the action of the inclined plane of the clamping jaw 1071, the two clamping jaws 1071 approach each other, and therefore the complement struts 92 can be clamped and fixed, the complement struts 92 are fixed on the lifting plate 91 and the support 6, and the support 6 can be placed more stably; then, rough adjustment can be performed on the levelness of the mounting plate 74 and the mapper 75 through the rough adjustment mechanism 8, during adjustment, the rough adjustment wheel 84 is rotated, the rough adjustment wheel 84 drives the first rotation shaft to rotate, the first rotation shaft drives the second gear 83 to rotate, the second gear 83 drives the first gear 82 to rotate, the first gear 82 drives the second screw 81 to rotate, under the condition that the middle sleeve 3 is fixed, the second screw 81 drives the supporting leg 2 to move, the supporting leg 2 drives one side of the mounting plate 74 to lift, so that the mounting plate 74 tends to be horizontal, the rough adjustment mechanism 8 can be used for quickly leveling the mounting plate 74 and the mapper 75, the moving distance of the supporting leg 4 is controlled, the operation is more convenient, finally, the mapper 75 can be adjusted through the fine adjustment mechanism 73, during adjustment, the fine adjustment wheel 735 drives the first screw 732 to rotate, the first screw 732 moves in the threaded seat 731, so that one end of the mounting plate 74 can be driven to move, and further, the levelness of the mounting plate 74 and the mapper 75 can be adjusted to be quickly adjusted to be horizontal, and the surveying instrument 75 can be accurately adjusted to be horizontal by the fine adjustment mechanism 73. When not in use, the supporting legs 2 and the supporting feet 4 are all contained in the middle sleeve 3, so that the size of the device is reduced, and the device is convenient to store and carry.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a portable survey and drawing instrument, includes the roof, its characterized in that, the bottom of roof articulates there is a plurality of landing legs, and is a plurality of the one end of landing leg is all overlapped and is equipped with the middle part sleeve pipe, and is a plurality of the sheathed tube one end in middle part is all inserted and is equipped with the stabilizer blade, the one end side threaded connection that the middle part sleeve pipe is close to the stabilizer blade has fastening bolt, fastening bolt's one end and the side butt of stabilizer blade, the one end of stabilizer blade articulates there is the support, still includes:

the fixing mechanisms are respectively arranged in the supports, one ends of the fixing mechanisms are connected to the lifting plates, a plurality of output ends of the fixing mechanisms can be respectively abutted to the plurality of supplementing supporting rods, after the supplementing mechanisms supplement the ground, the fixing mechanisms are used for fixing the plurality of supplementing supporting rods, the fixing mechanisms comprise limiting plates which are in sliding connection with the inside of the supports, the side surfaces of the limiting plates, which are close to the lifting plates, are fixedly connected with guide rods, one ends of the guide rods, which penetrate through the lifting plates, are fixedly connected with baffle plates, second compression springs are connected between the limiting plates and the lifting plates, the tops of the lifting plates are rotationally connected with third screw rods, the middle parts of the third screw rods are in threaded connection with the limiting plates, one ends, which extend out of the supports, of the limiting plates are fixedly connected with handles, a plurality of clamping mechanisms are arranged on the side surfaces, which are close to the lifting plates, of the clamping mechanisms respectively correspond to the plurality of supplementing supporting rods, and when the limiting plates move towards the lifting plates, the clamping mechanisms can clamp and fix the supplementing supporting rods;

the plurality of the linkage mechanisms are respectively arranged on the plurality of the supports, one end of each linkage mechanism is in transmission connection with the lifting plate, the other end of each linkage mechanism is connected on the top plate, when the supporting legs are rotated, the linkage mechanisms are used for driving the lifting plate to lift,

the linkage mechanism comprises:

the driving rod is rotationally connected to the support, the driving rod sequentially penetrates through the limiting plate and the lifting plate, a second through hole for the driving rod to penetrate through is formed in the lifting plate, a thread groove is formed in the driving rod, a guide post matched with the thread groove is fixedly connected to the side face of the second through hole, and the guide post is slidably connected to the inside of the thread groove;

the driving mechanism is arranged on the supporting leg, two ends of the driving mechanism are connected between the third rotating rod and the top plate, and when the supporting leg rotates, the driving mechanism is used for driving the third rotating rod to rotate.

2. The portable mapping tool of claim 1, wherein the mapping assembly comprises a rotating base rotatably connected to the top plate, a rotating plate is fixedly connected to the top of the rotating base, the top of the rotating plate is connected to a mounting plate through a plurality of fine adjustment mechanisms, the fine adjustment mechanisms are uniformly distributed around the axis of the rotating base, and a mapping instrument is fixedly mounted on the mounting plate.

3. The portable mapping tool of claim 2, wherein the fine adjustment mechanism comprises a threaded seat fixedly connected to the rotating plate, a first screw is screwed on a side surface of the threaded seat, one end of the first screw is fixedly connected with a spherical head, a spherical sleeve matched with the spherical head is fixedly connected to the bottom of the mounting plate, and a fine adjustment wheel is fixedly connected to the first screw.

4. The portable mapping tool of claim 1, wherein the coarse adjustment mechanism comprises a second screw rotatably connected to the interior of the middle sleeve, one end of the second screw is in threaded connection with the support leg, a cavity is formed in the middle sleeve, one end of the second screw extending into the cavity is fixedly connected with a first gear, the interior of the cavity is rotatably connected with a first rotating shaft, the first rotating shaft is fixedly connected with a second gear, the second gear is in meshed connection with the first gear, the first rotating shaft is fixedly connected with a coarse adjustment wheel, and one side of the coarse adjustment wheel extends out of the middle sleeve.

5. The portable mapping tool according to claim 1, wherein the clamping mechanism comprises two clamping jaws which are slidably connected to the bottom of the limiting plate, a sliding groove for the clamping jaws to move is formed in the limiting plate, a third compression spring is connected between the two clamping jaws, the outer side faces of the end portions of the two clamping jaws are inclined faces, a guiding coaming is fixedly connected to the side face, close to the limiting plate, of the lifting plate, and the end portions of the two clamping jaws extend into the guiding coaming.

6. The portable mapping tool of claim 1, wherein the driving mechanism comprises a second rotating shaft rotatably connected to the supporting leg, a first conical gear is fixedly connected to the second rotating shaft, a second conical gear is fixedly connected to one end of the third rotating rod, the first conical gear and the second conical gear are in meshed connection, a third gear is fixedly connected to the second rotating shaft, a fourth gear is fixedly connected to the bottom of the top plate, the third gear and the fourth gear are in meshed connection, and the axle center of the fourth gear coincides with the rotating pivot of the supporting leg.