CN114136177A

CN114136177A - Square place measuring device

Info

Publication number: CN114136177A
Application number: CN202111418879.8A
Authority: CN
Inventors: 陈全旺; 舒艳丽; 孙建宇; 周超; 刘高志; 崔岩; 李杨
Original assignee: Shandong Institute for Product Quality Inspection
Current assignee: Shandong Institute for Product Quality Inspection
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-04
Anticipated expiration: 2041-11-26
Also published as: CN114136177B

Abstract

The invention relates to the field of measuring devices, in particular to a square field measuring device which comprises a marker post unit, wherein the marker post unit comprises a marker post body, two measuring scale units are movably connected to the marker post body, and the movable ends of the two measuring scale units are connected with two tractors; the marker post body is fixed at the center of the positioning seat, the two guide units are movably connected to the positioning seat, and the two guide units are in one-to-one fit connection with the two measuring scale units so as to guide the pulling-out direction of the two measuring scale units; the coiling and uncoiling control unit is arranged on the positioning seat and is in transmission connection with the two measuring scale units so as to drive the two measuring scale units to be coiled or discharged. The square field measuring device is provided with the two measuring scale units capable of adjusting the directions, the length and the width of the square field can be synchronously pulled out for synchronous measurement, and the measuring efficiency is convenient to improve.

Description

Square place measuring device

Technical Field

The invention relates to the field of measuring devices, in particular to a square field measuring device.

Background

The measuring device is one of indispensable equipment in the place work progress, and the place among the prior art is measured and is generally adopted the tape measure to measure, when measuring square place, needs to measure the length and the width in place, during the measurement, needs to utilize the tape measure to measure the length and the width in place respectively, and because the size of tape measure is shorter, needs to measure many times, wastes time and energy.

Disclosure of Invention

The invention aims to provide a square field measuring device which can effectively solve the problems in the prior art.

The purpose of the invention is realized by the following technical scheme:

a square field measuring device comprises a marker post unit, wherein the marker post unit comprises a marker post body, two measuring scale units are movably connected to the marker post body, and the movable ends of the two measuring scale units are connected with two tractors; the marker post body is fixed at the center of the positioning seat, the two guide units are movably connected to the positioning seat, and the two guide units are in one-to-one fit connection with the two measuring scale units so as to guide the pulling-out direction of the two measuring scale units; the coiling and uncoiling control unit is arranged on the positioning seat and is in transmission connection with the two measuring scale units so as to drive the two measuring scale units to be coiled or discharged.

Preferably, the measuring scale unit comprises a measuring scale pipe, and the measuring scale pipe is rotatably connected to the mark post body; a driven rotating wheel is fixed on the measuring tape tube and is in transmission connection with the winding and unwinding control unit; the tape measure pipe is wound with a wide tape, and the movable end of the wide tape measure is connected with the tractor.

Preferably, the winding and unwinding control unit comprises a driving motor, the driving motor is arranged on the positioning seat, an output shaft of the driving motor is fixedly connected with one end of the hexagonal transmission rod, and the other end of the hexagonal transmission rod is slidably connected in a hexagonal slideway at one end of the hexagonal rotating pipe; the other end of the hexagonal rotating pipe is fixed at the center of the driving rotating wheel, the driving rotating wheel is rotatably connected to one end of the regulating screw rod, and the middle part of the regulating screw rod is in threaded fit with the internal threaded hole of the mark post body; the driving rotating wheel is in vertical friction transmission connection with the driven rotating wheel.

Preferably, the guide unit comprises an arc-shaped sliding seat, the arc-shaped sliding seat slides in a circular slide way on the top surface of the positioning seat, and the axis of the circular slide way is collinear with the axis of the marker post body; a plurality of positioning insertion holes are uniformly arranged on the top surface of the positioning seat in a surrounding way by taking the mark post body as the center; the arc-shaped sliding seat is connected with a vertical inserted bar in a matching way, and the vertical inserted bar is in inserting matching with the positioning insertion hole; a guide frame is fixed on the positioning seat, and a guide slideway in sliding fit with the wide tape is arranged on the guide frame.

Preferably, the marker post body is connected with two compressing units in a matching way, and the two compressing units are connected with the two measuring scale units in a matching way one by one; the compressing unit comprises a pressing block, the arc-shaped surface of the pressing block is pressed on the wide tape, one end of the pressing block is fixedly connected with one end of a hexagonal prism, the middle of the pressing block slides in the horizontal through hole of the marker post body, the other end of the hexagonal prism is fixedly provided with a spring seat, and a tensioning pressure spring is sleeved on a cylinder, located between the spring seat and the marker post body, of the hexagonal prism.

Preferably, the tractor comprises a frame; the upper end of the frame is rotatably connected with a traction rod, and a traction ring is fixed at the movable end of the wide tape and rotates on the traction rod; the inner end of the frame is rotatably connected with a wheel shaft, two ends of the wheel shaft are respectively fixed with a walking wheel, and the outer end of the frame is rotatably connected with a universal wheel; a worm structure in the middle of the wheel shaft is engaged, driven and connected with a worm wheel fixed at the lower end of the traction rod; the outer end of the frame is rotatably connected with two rotating vertical shafts, and the lower ends of the two rotating vertical shafts are respectively fixed with a cleaning disc; two gears on the two rotating vertical shafts are in meshed transmission connection; the first belt wheel fixed on the traction rod is connected with a second belt wheel fixed on a rotating vertical shaft through a synchronous belt.

Preferably, the frame is provided with a retaining unit; the stopping unit comprises a stopping rotating shaft fixed at one end of the wheel shaft, the outer side of the stopping rotating shaft is matched and connected with a limiting rotating shaft, two first inclined plane fixture blocks gradually increasing in the clockwise direction are arranged on the outer side of the stopping rotating shaft, two second inclined plane fixture blocks gradually decreasing in the clockwise direction are arranged on the inner side of the limiting rotating shaft, and the two first inclined plane fixture blocks of the stopping rotating shaft are in clamping fit with the two second inclined plane fixture blocks of the limiting rotating shaft; a horizontal sliding rod is fixed on the outer side of the limiting rotating shaft and slides in a horizontal slideway of a horizontal sleeve, and a compression spring is arranged between the horizontal sliding rod and the inner side surface of the horizontal slideway of the horizontal sleeve; the outer end of the horizontal sleeve is fixed on the frame through a hanger; the outer end of the horizontal sliding rod is fixedly connected with a linkage sliding block which slides in the horizontal sleeve limiting slide way, the linkage sliding block is in sliding fit with the transverse guide rod, and the outer end of the transverse guide rod is fixed on the hanger; the transverse guide rod is in threaded fit with a limiting nut, and the limiting nut is blocked on the inner side face of the linkage sliding block.

Preferably, a positioning frame is fixed at the lower end of the positioning seat; the positioning frame comprises a base fixed at the lower end of the positioning seat; the center of base rotates and connects the swivel pipe, is equipped with the external screw thread on the lateral surface of swivel pipe, the outside threaded connection crane of swivel pipe, and the four corners of crane is a sliding seat of fixed connection respectively, and four sliding seats sliding fit are in four sides of base, rotate respectively on four sliding seats and connect a driving wheel.

Preferably, the inner side surface of the rotating pipe is provided with internal threads, and the inner side of the rotating pipe is in threaded connection with the inserted column unit.

Preferably, the inserting column unit comprises a central inserting column, the middle part of the central inserting column is in threaded fit with the rotating pipe, the lower end of the central inserting column is rotatably connected with a transverse connection plate, two side inserting columns are relatively fixed at two ends of the transverse connection plate, and the two side inserting columns slide in two longitudinal through holes in the top surface of the base; the bottom of the central inserting column and the bottom of the two side inserting columns are both provided with conical plugs.

The invention has the beneficial effects that: the square field measuring device is provided with the two measuring scale units with adjustable directions, so that the length and the width of a square field can be synchronously measured by synchronously pulling out, and the measuring efficiency is conveniently improved; the length of the wide tape adopted in the measuring scale unit can be changed according to actual needs, elastic resetting is not needed, and the measuring staff are not easy to scratch; be equipped with to roll up and put the control unit, can carry out synchronous rolling to the wide tape of two dipperstick units, be favorable to improving measurement of efficiency.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;

FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a post unit according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a measuring scale unit provided in an embodiment of the present invention;

fig. 5 is a first schematic structural diagram of a towing vehicle according to an embodiment of the present invention;

fig. 6 is a second schematic structural diagram of the tractor according to the embodiment of the present invention;

FIG. 7 is a schematic view of a positioning socket and a positioning frame provided in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a guide unit according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a winding and unwinding control unit according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a pressing unit according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a retaining unit according to an embodiment of the present invention

FIG. 12 is a schematic structural diagram of a stop shaft according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a limiting rotating shaft according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a post inserting unit according to an embodiment of the present invention;

fig. 15 is a schematic structural diagram of a positioning frame according to an embodiment of the present invention.

Icon: a post unit 1; a post body 101; a measuring scale unit 2; a tape measure tube 201; a driven runner 202; a wide tape 203; a tractor 3; a frame 301; a drawbar 302; an axle 303; a road wheel 304; a universal wheel 305; a worm gear 306; the vertical shaft 307 is rotated; a cleaning pan 308; a gear 309; a first pulley 310; a second pulley 311; a positioning seat 4; an annular slide 401; a positioning jack 402; a positioning frame 403; a base 404; a rotating tube 405; a crane 406; a slide mount 407; a travel wheel 408; a guide unit 5; an arc-shaped sliding seat 501; a vertical bayonet 502; a guide frame 503; a winding and unwinding control unit 6; a drive motor 601; a hexagonal drive link 602; a hexagonal rotating pipe 603; an active wheel 604; a regulating screw 605; a pressing unit 7; pressing blocks 701; a hexagonal prism 702; a spring seat 703; tensioning a compression spring 704; a backstop unit 8; a backstop shaft 801; a limiting rotating shaft 802; a horizontal slide bar 803; a horizontal sleeve 804; a compression spring 805; a hanger 806; a link slider 807; a cross guide 808; a limit nut 809; a post-inserting unit 9; a central insert column 901; a cross plate 902; side posts 903.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

The invention is described in further detail below with reference to fig. 1-15.

Referring to fig. 1-3, an embodiment of the present invention is provided, which solves the main technical problem that the measuring device in the prior art cannot measure the length and width of the square field simultaneously; the square field measuring device provided by the embodiment comprises a marker post unit 1 fixed at one corner of a square field, the invention is limited and fixed through the marker post unit 1, the marker post unit 1 comprises a marker post body 101 for limiting and fixing one end of two measuring scale units 2, the two measuring scale units 2 are movably connected to the marker post body 101 and can rotate on the marker post body 101, the movable ends of the two measuring scale units 2 are connected with two tractors 3, when the length and the width of the square field need to be synchronously measured, the two tractors 3 are synchronously pulled outwards or power motors are arranged on the two tractors 3, the two tractors 3 are controlled to synchronously move towards the direction far away from the marker post body 101, so that the movable ends of the two measuring scale units 2 are driven to move outwards, and finally the length and the width of the square field are obtained according to the numerical values measured by the two measuring scale units 2, the method is favorable for quickly calculating the field area of the square field; the lower end of the marker post body 101 is provided with a positioning seat 4 for fixing the position of the marker post, the marker post body 101 is fixed at the center of the positioning seat 4, the positioning seat 4 is movably connected with two guide units 5 for guiding and limiting the pulling direction of the measuring scale unit 2 so as to control the included angle between the two measuring scale units 2 and measure different lengths, and the two measuring scale units 2 can be controlled to be pulled out towards two opposite sides by taking the marker post body 101 as the center, so that the measuring length of the marker post is improved, the two guide units 5 are in one-to-one matching connection with the two measuring scale units 2 so as to guide the pulling direction of the two measuring scale units 2; the control unit 6 is put to the book that can regulate and control is established to the facial make-up of positioning seat 4, and the book is put control unit 6 and is regulated and control to when contacting with two dipperstick units 2, can drive two dipperstick units 2 and carry out the rolling or emit, otherwise, when control unit 6 is put to the regulation and control book and two dipperstick units 2 separation, removes the synchro control to two dipperstick units 2, is convenient for control the use of two dipperstick units 2 respectively.

Referring to fig. 3-4, an embodiment of the present invention is provided, which solves the main technical problems of a measuring tape in the prior art, such as a small length and a limited measuring range; the square site measuring device provided by the embodiment, wherein the measuring scale unit 2 comprises a measuring scale pipe 201 which is rotatably connected to the post body 101, the measuring scale pipe 201 is used for winding or unwinding the wide scale belt 203, when the wide scale belt 203 is wound or unwound, the measuring scale pipe 201 rotates on the post body 101, and the measuring scale pipe 201 is provided with a driven rotating wheel 202 which can be in transmission connection with the winding and unwinding control unit 6, so that the wide scale belt 203 can be wound or unwound under the control of the winding and unwinding control unit 6, and the two measuring scale pipes 201 can be properly limited by the winding and unwinding control unit 6, so that the two measuring scale pipes 201 are not easy to rotate on the post body 101, and the winding stability of the wide scale belt 203 is kept; the wide tape 203 on the tape measure pipe 201 adopts flexible tape, prevents to cause accidental injury to personnel in the rolling process, and easily rolls up, and is convenient for change the wide tape 203 of different length to enlarge measuring range, the expansion end of wide tape 203 is connected with tractor 3, so that pull out under the traction of tractor 3.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 9, which are an embodiment of the present invention, and the main technical problem solved by the embodiment is that the measuring tape in the prior art can only be rolled up by the elastic force of the spring, and cannot use a long tape; in the square site measuring device provided by this embodiment, the tape with a long length can be wound up through the winding and unwinding control unit 6, and the two measuring scale units 2 can be wound up synchronously; a driving motor 601 inside the winding and unwinding control unit 6 is installed on the positioning seat 4, an output shaft of the driving motor 601 is fixedly connected with one end of a hexagonal transmission rod 602 to drive the hexagonal transmission rod 602 to rotate, the other end of the hexagonal transmission rod 602 is slidably connected in a hexagonal slideway at one end of a hexagonal rotating pipe 603, the hexagonal transmission rod 602 can drive the hexagonal rotating pipe 603 to rotate, and meanwhile, the hexagonal transmission rod 602 can also slide in the hexagonal slideway of the hexagonal rotating pipe 603 to change the relative positions of the hexagonal transmission rod 602 and the hexagonal rotating pipe 603; the other end of the hexagonal rotating pipe 603 is fixed at the center of the driving rotating wheel 604, so that the driving rotating wheel 604 is driven to rotate, the driving rotating wheel 604 is rotatably connected to one end of the regulating screw 605, the middle part of the regulating screw 605 is in threaded fit in the internal threaded hole of the mark post body 101, the relative position of the regulating screw 605 and the mark post body 101 can be changed by rotating the regulating screw 605, so that the position of the driving rotating wheel 604 is driven to be regulated, when the driving rotating wheel 604 is regulated to be in contact with the driven rotating wheel 202, the driving rotating wheel 604 is in vertical friction transmission connection with the driven rotating wheel 202, the tape measure pipe 201 can be driven to rotate by the rotation of the driven rotating wheel 202, and the wide tape 203 is wound or unfolded; when the driving rotating wheel 604 is separated from the driven rotating wheel 202, the transmission is stopped; the driving runner 604 and the driven runner 202 are connected in a friction transmission manner, so that the wide tapes 203 of the two measuring scale units 2 can be synchronously wound when being pulled out in different lengths, and after the wide tape 203 of one measuring scale unit 2 is wound in place, the driving runner 604 and the driven runner 202 of the measuring scale unit 2 slip, so that the wide tape 203 of the measuring scale unit 2 can be wound up conveniently, and the wide tape 203 of the other measuring scale unit 2 can be wound up continuously, so that the winding work of the wide tapes 203 of the two measuring scale units 2 is completed; of course, also can be used for the synchronous exhibition of the wide tape 203 of two dipperstick units 2 to put the use, use when being applicable to the measurement to square length, during the use, control is rolled up and is put the control unit 6 and two dipperstick units 2 contacts, put the control unit 6 through rolling up and put two synchronous exhibitions of

dipperstick unit

2, 3 lateral movement of two tractors of survey crew synchro control, the size that the wide tape 203 of two dipperstick units 2 was pulled out this moment is the same, be convenient for measure square place or the square place that needs to make up carries out the setting-out line.

Referring to fig. 1-8, an embodiment of the present invention is provided to solve the main technical problem that the measuring device in the prior art has no guiding device and cannot determine whether the measuring tape is straight; the square site measuring device provided by the embodiment is provided with the guide unit 5 capable of guiding the pulling-out direction of the wide tape 203, the guide unit 5 slides on the arc-shaped sliding seat 501 in the annular sliding way 401 on the top surface of the positioning seat 4, the axis of the annular sliding way 401 is collinear with the axis of the mark post body 101 to ensure that the arc-shaped sliding seat 501 can perform encircling movement, and the two guide units 5 limit the included angle between the two wide tape 203 so as to measure sites with different shapes; the top surface of the positioning seat 4 is uniformly provided with a plurality of positioning insertion holes 402 in a surrounding manner by taking the marker post body 101 as a center, the arc-shaped sliding seat 501 can be fixed by inserting the vertical insertion rods 502 which are connected with the arc-shaped sliding seat 501 in a matching manner into the corresponding positioning insertion holes 402, the vertical insertion rods 502 can adopt screws which are in threaded matching connection with the arc-shaped sliding seat 501 to prevent the vertical insertion rods from being separated from the arc-shaped sliding seat 501, and the positioning insertion holes 402 can be correspondingly replaced by internal thread holes to improve the use stability of the guide unit 5; be fixed with leading truck 503 on positioning seat 4, be equipped with the direction slide with wide tape 203 sliding fit on leading truck 503 to lead the direction of pulling out of wide tape 203, when taking place the skew between wide tape 203 and leading truck 503, can judge that there is the error in the direction of pulling out, need adjust for the length or the width in more accurate measurement square place.

The marker post body 101 is connected with two compressing units 7 in a matching way, and the two compressing units 7 are connected with the two measuring scale units 2 in a matching way one by one so as to compress the wide tape 203 of the two measuring scale units 2; the pressing unit 7 comprises a pressing block 701, the arc-shaped face of the pressing block 701 is pressed on the wide tape 203, the laminating degree is improved, the pressing effect is favorably improved, one end of the pressing block 701 is fixedly connected with one end of a hexagonal prism 702, the middle of the pressing block slides in a horizontal through hole of the marker post body 101, the other end of the hexagonal prism 702 is fixed with a spring seat 703, and the hexagonal prism 702 is located on a column body between the spring seat 703 and the marker post body 101 and is sleeved with a tensioning pressure spring 704. The pressing block 701 can press the wide tape 203 under the action of the elastic force of the tension compression spring 704, so that the wide tape 203 is tightly wound on the tape tube 201, and the tape 203 is kept in a stretched state when being pulled out, thereby improving the measurement accuracy.

Referring to fig. 1-6, an embodiment of the present invention is provided to solve the main technical problem that a measuring device in the prior art is prone to deviation and large error due to manual pulling of a measuring tape; according to the square field measuring device provided by the embodiment, the tractor 3 capable of pulling the wide tape 203 is adopted, the labor intensity is reduced, and the tape pulling accuracy is improved, the tractor 3 comprises the frame 301, and line drawing equipment can be further arranged on the frame, so that the field can be drawn while the length and the width of the field are measured; the upper end of the frame 301 is rotatably connected with a traction rod 302, and a traction ring is fixed at the movable end of the wide tape 203 and rotates on the traction rod 302; the inner end of the frame 301 is rotatably connected with a wheel shaft 303, two ends of the wheel shaft 303 are respectively fixed with a traveling wheel 304, the outer end of the frame 301 is rotatably connected with a universal wheel 305, the frame 301 is supported by the two traveling wheels 304 and the universal wheel 305, and the wheel shaft 303 can be provided with a power motor to drive the wheel shaft 303 to rotate so as to control the tractor 3 to travel; a worm structure in the middle of the wheel shaft 303 is engaged, driven and connected with a worm wheel 306 fixed at the lower end of the traction rod 302; the outer end of the frame 301 is rotatably connected with two rotating vertical shafts 307, and the lower ends of the two rotating vertical shafts 307 are respectively fixed with a cleaning disc 308; two gears 309 on the two rotating vertical shafts 307 are in meshing transmission connection; the first belt wheel 310 fixed on the traction rod 302 is connected with the second belt wheel 311 fixed on one rotary vertical shaft 307 through synchronous belt transmission, in the walking process of the tractor 3, the wheel shaft 303 can drive the worm wheel 306 to rotate, the worm wheel 306 rotates to drive the traction rod 302 to rotate, the first belt wheel 310 on the traction rod 302 drives the second belt wheel 311 to rotate through synchronous belt transmission, so that one rotary vertical shaft 307 is driven to rotate, the two rotary vertical shafts 307 are respectively provided with the gear 309, the two rotary vertical shafts 307 can be controlled to reversely rotate, the two rotary vertical shafts 307 drive the two cleaning discs 308 to reversely rotate towards the outer side, a place needing line drawing can be cleaned, and direct line drawing is facilitated.

Referring to fig. 1, 2, and 11-13, a stopping unit 8 is disposed on the frame 301, and the stopping unit 8 can make the tractor 3 move in one direction away from the target unit 1, so as to prevent the back movement of the tractor from causing the slack of the tape 203 and affecting the measurement accuracy; the stopping unit 8 comprises a stopping rotating shaft 801 fixed at one end of the wheel shaft 303, the outer side of the stopping rotating shaft 801 is connected with a limiting rotating shaft 802 in a matched manner, the outer side of the stopping rotating shaft 801 is provided with two first inclined plane fixture blocks which are gradually increased along the clockwise direction, the shape of each first inclined plane fixture block is shown in fig. 12, the inner side of the limiting rotating shaft 802 is provided with two second inclined plane fixture blocks which are gradually decreased along the clockwise direction, the shape of each second inclined plane fixture block is shown in fig. 13, and the two first inclined plane fixture blocks of the stopping rotating shaft 801 are matched with the two second inclined plane fixture blocks of the limiting rotating shaft 802 in a clamped manner; a horizontal sliding rod 803 is fixed on the outer side of the limiting rotating shaft 802, the horizontal sliding rod 803 slides in a horizontal slide way of a horizontal sleeve 804, and a compression spring 805 is arranged between the horizontal sliding rod 803 and the inner side surface of the horizontal slide way of the horizontal sleeve 804; the outer end of the horizontal sleeve 804 is fixed on the frame 301 through a hanger 806; the outer end of the horizontal sliding rod 803 is fixedly connected with a linkage sliding block 807 which slides in the limiting slide way of the horizontal sleeve 804, the linkage sliding block 807 is in sliding fit with a transverse guide rod 808, and the outer end of the transverse guide rod 808 is fixed on a hanging bracket 806; the horizontal guide rod 808 is in threaded fit with a limit nut 809, and the limit nut 809 is blocked on the inner side surface of the linkage sliding block 807. When the towing vehicle 3 moves in a direction away from the target bar unit 1, the wheel shaft 303 can be driven to rotate counterclockwise, when the wheel shaft 303 rotates counterclockwise, the stopping rotating shaft 801 can be driven to rotate counterclockwise, when the stopping rotating shaft 801 rotates counterclockwise, two first inclined clamping blocks on the stopping rotating shaft 801 generate outward pushing force on two second inclined clamping blocks on the limiting rotating shaft 802, the limiting rotating shaft 802 drives the horizontal sliding rod 803 to slide in the horizontal sleeve 804 and compress the compression spring 805, at the moment, the two first inclined clamping blocks do not block the two first inclined clamping blocks, but when the towing vehicle 3 wants to move in the direction of the target bar unit 1, when the wheel shaft 303 wants to rotate clockwise, the two first inclined clamping blocks are clamped on the two second inclined clamping blocks on the limiting rotating shaft 802, the two second inclined clamping blocks block the two first inclined clamping blocks for limiting, so that the stopping rotating shaft 801 cannot rotate clockwise, thereby playing the role of one-way limiting; when the wide tape 203 needs to be rolled up, the limit of the retaining unit 8 on the wheel shaft 303 can be released, at the moment, the linkage sliding block 807 drives the horizontal sliding rod 803 to move towards the horizontal slide way of the horizontal sleeve 804 and compress the compression spring 805, the separation of the retaining rotating shaft 801 and the limiting rotating shaft 802 is controlled, and then the position of the linkage sliding block 807 is limited by rotating the limiting nut 809.

Please refer to fig. 15, which is an embodiment of the present invention, and the main technical problem solved by the embodiment is that the measuring device in the prior art is not easy to move and needs to be lifted; in the square field measuring device provided in this embodiment, a positioning frame 403 is fixed at the lower end of the positioning seat 4; the positioning frame 403 comprises a base 404, a rotating pipe 405, a lifting frame 406, a sliding seat 407 and a traveling wheel 408; the base 404 is fixed at the lower end of the positioning seat 4; the center of the base 404 is rotatably connected with a rotating pipe 405, the outer side surface of the rotating pipe 405 is provided with external threads, the outer side of the rotating pipe 405 is in threaded connection with a lifting frame 406, four corners of the lifting frame 406 are respectively and fixedly connected with a sliding seat 407, the four sliding seats 407 are in sliding fit with four sides of the base 404, and the four sliding seats 407 are respectively and rotatably connected with a traveling wheel 408. When the invention needs to move, the rotating tube 405 is rotated to control the lifting frame 406 to drive the four sliding seats 407 to slide up and down on the four sides of the base 404, and when the four sliding seats 407 drive the four travelling wheels 408 to contact with the ground, the invention is convenient to move; when the invention needs to be positioned, the four traveling wheels 408 are controlled to be separated from the ground, and the base 404 is in contact with the ground, so that the stability of the invention in use is improved.

The inner side surface of the rotating pipe 405 is provided with internal threads, the inner side of the rotating pipe 405 is in threaded connection with the column inserting unit 9, and the column inserting unit 9 can be inserted into soil so as to improve the stability of the fixing device during fixing; and when rotating the rotating tube 405, can synchronous control insert post unit 9 and crane 406 and carry out the motion of opposite direction, the simple operation, the regulation and control is rapid.

The inserting column unit 9 comprises a central inserting column 901, a transverse connecting plate 902 and side inserting columns 903; the middle part of the central inserting column 901 is in threaded fit in the rotating pipe 405, the lower end of the central inserting column 901 is rotatably connected with a transverse connecting plate 902, two side inserting columns 903 are relatively fixed at two ends of the transverse connecting plate 902, and the two side inserting columns 903 slide in two longitudinal through holes on the top surface of the base 404; the bottom of the central plug 901 and the two side plugs 903 are provided with tapered plugs. When the rotating pipe 405 is rotated, the contact position between the rotating pipe 405 and the central inserting column 901 can be changed, the central inserting column 901 drives the two side inserting columns 903 to slide up and down through the transverse connecting plate 902, and therefore the central inserting column 901 and the two side inserting columns 903 are inserted into soil to achieve stable fixing of the invention.

The principle is as follows: the square field measuring device provided by the embodiment can synchronously measure the length and the width of a square field, synchronously pull the two tractors 3 outwards or install the power motors on the two tractors 3, control the two tractors 3 to synchronously move towards the direction far away from the marker post body 101, so that the movable ends of the two measuring scale units 2 are driven to move outwards, finally obtain the length and the width of the square field according to the numerical values measured by the two measuring scale units 2, and is favorable for quickly calculating the field area of the square field; the lower end of the marker post body 101 is provided with a positioning seat 4 for fixing the position of the marker post, the marker post body 101 is fixed at the center of the positioning seat 4, the positioning seat 4 is movably connected with two guide units 5 for guiding and limiting the pulling direction of the measuring scale unit 2 so as to control the included angle between the two measuring scale units 2 and measure different lengths, and the two measuring scale units 2 can be controlled to be pulled out towards two opposite sides by taking the marker post body 101 as the center, so that the measuring length of the marker post is improved, the two guide units 5 are in one-to-one matching connection with the two measuring scale units 2 so as to guide the pulling direction of the two measuring scale units 2; the control unit 6 is put to the book that can regulate and control is established to the facial make-up of positioning seat 4, and the book is put control unit 6 and is regulated and control to when contacting with two dipperstick units 2, can drive two dipperstick units 2 and carry out the rolling or emit, otherwise, when control unit 6 is put to the regulation and control book and two dipperstick units 2 separation, removes the synchro control to two dipperstick units 2, is convenient for control the use of two dipperstick units 2 respectively.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It is further noted that, in the present specification, relational terms such as first and second, and the like are 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a square place measuring device which characterized in that: the measuring device comprises a marker post unit (1), wherein the marker post unit (1) comprises a marker post body (101), two measuring scale units (2) are movably connected to the marker post body (101), and the movable ends of the two measuring scale units (2) are connected with two tractors (3); the marker post body (101) is fixed at the center of the positioning seat (4), the two guide units (5) are movably connected to the positioning seat (4), and the two guide units (5) are matched and connected with the two measuring scale units (2) one by one so as to guide the pulling direction of the two measuring scale units (2); the coiling and unwinding control unit (6) is arranged on the positioning seat (4), and the coiling and unwinding control unit (6) is in transmission connection with the two measuring scale units (2) so as to drive the two measuring scale units (2) to be coiled or unwound.

2. The square field measuring device of claim 1, wherein: the measuring scale unit (2) comprises a measuring scale pipe (201), and the measuring scale pipe (201) is rotatably connected to the mark post body (101); a driven rotating wheel (202) is fixed on the measuring tape tube (201), and the driven rotating wheel (202) is in transmission connection with the winding and unwinding control unit (6); a wide tape (203) is wound on the tape measure tube (201), and the movable end of the wide tape (203) is connected with the tractor (3).

3. The square field measuring device of claim 2, wherein: the winding and unwinding control unit (6) comprises a driving motor (601), the driving motor (601) is arranged on the positioning seat (4), an output shaft of the driving motor (601) is fixedly connected with one end of a hexagonal transmission rod (602), and the other end of the hexagonal transmission rod (602) is slidably connected into a hexagonal slideway at one end of a hexagonal rotating pipe (603); the other end of the hexagonal rotating pipe (603) is fixed at the center of the driving rotating wheel (604), the driving rotating wheel (604) is rotatably connected at one end of the regulating screw rod (605), and the middle part of the regulating screw rod (605) is in threaded fit with the internal threaded hole of the mark post body (101); the driving rotating wheel (604) is in vertical friction transmission connection with the driven rotating wheel (202).

4. The square field measuring device of claim 2, wherein: the guide unit (5) comprises an arc-shaped sliding seat (501), the arc-shaped sliding seat (501) slides in a circular ring slideway (401) on the top surface of the positioning seat (4), and the axis of the circular ring slideway (401) is collinear with the axis of the marker post body (101); a plurality of positioning insertion holes (402) are uniformly arranged on the top surface of the positioning seat (4) in a surrounding way by taking the mark post body (101) as the center; the arc-shaped sliding seat (501) is connected with a vertical insertion rod (502) in a matching way, and the vertical insertion rod (502) is in insertion fit with the positioning insertion hole (402); a guide frame (503) is fixed on the positioning seat (4), and a guide slideway in sliding fit with the wide tape (203) is arranged on the guide frame (503).

5. The square field measuring device of claim 2, wherein: the marker post body (101) is connected with two pressing units (7) in a matched mode, and the two pressing units (7) are connected with the two measuring scale units (2) in a matched mode one by one; the pressing unit (7) comprises a pressing block (701), the arc-shaped surface of the pressing block (701) is pressed on the wide tape (203), one end of the pressing block (701) is fixedly connected with one end of a hexagonal prism (702) of which the middle part slides in a horizontal through hole of the marker post body (101), the other end of the hexagonal prism (702) is fixedly connected with a spring seat (703), and the hexagonal prism (702) is positioned on a column body between the spring seat (703) and the marker post body (101) and is sleeved with a tensioning pressure spring (704).

6. The square field measuring device of claim 2, wherein: the tractor (3) comprises a frame (301); the upper end of the frame (301) is rotatably connected with a traction rod (302), a traction ring is fixed at the movable end of the wide tape (203), and the traction ring rotates on the traction rod (302); the inner end of the frame (301) is rotatably connected with a wheel shaft (303), two ends of the wheel shaft (303) are respectively fixed with a travelling wheel (304), and the outer end of the frame (301) is rotatably connected with a universal wheel (305); a worm structure in the middle of the wheel shaft (303) is engaged, driven and connected with a worm wheel (306) fixed at the lower end of the traction rod (302); the outer end of the frame (301) is rotatably connected with two rotating vertical shafts (307), and the lower ends of the two rotating vertical shafts (307) are respectively fixed with a cleaning disc (308); two gears (309) on the two rotating vertical shafts (307) are in meshing transmission connection; the first belt wheel (310) fixed on the traction rod (302) is connected with a second belt wheel (311) fixed on a rotating vertical shaft (307) through synchronous belt transmission.

7. The square field measuring device of claim 6, wherein: the frame (301) is provided with a retaining unit (8); the stopping unit (8) comprises a stopping rotating shaft (801) fixed at one end of the wheel shaft (303), the outer side of the stopping rotating shaft (801) is connected with a limiting rotating shaft (802) in a matched mode, two first inclined plane clamping blocks gradually increasing in the clockwise direction are arranged on the outer side of the stopping rotating shaft (801), two second inclined plane clamping blocks gradually decreasing in the clockwise direction are arranged on the inner side of the limiting rotating shaft (802), and the two first inclined plane clamping blocks of the stopping rotating shaft (801) are in clamping fit with the two second inclined plane clamping blocks of the limiting rotating shaft (802); a horizontal sliding rod (803) is fixed on the outer side of the limiting rotating shaft (802), the horizontal sliding rod (803) slides in a horizontal slide way of a horizontal sleeve (804), and a compression spring (805) is arranged between the horizontal sliding rod (803) and the inner side surface of the horizontal slide way of the horizontal sleeve (804); the outer end of the horizontal sleeve (804) is fixed on the frame (301) through a hanger (806); the outer end of the horizontal sliding rod (803) is fixedly connected with a linkage sliding block (807) which slides in a limiting slide way of the horizontal sleeve (804), the linkage sliding block (807) is in sliding fit with a transverse guide rod (808), and the outer end of the transverse guide rod (808) is fixed on the hanger (806); the horizontal guide rod (808) is in threaded fit with a limiting nut (809), and the limiting nut (809) is blocked on the inner side surface of the linkage sliding block (807).

8. The square field measuring device of claim 1, wherein: a positioning frame (403) is fixed at the lower end of the positioning seat (4); the positioning frame (403) comprises a base (404) fixed at the lower end of the positioning seat (4); the center of base (404) rotates and connects rotatory pipe (405), is equipped with the external screw thread on the lateral surface of rotatory pipe (405), and the outside threaded connection crane (406) of rotatory pipe (405), four corners of crane (406) are sliding seat (407) of fixed connection respectively, and four sliding seat (407) sliding fit are in four sides of base (404), rotate respectively on four sliding seat (407) and connect a driving wheel (408).

9. The square field measuring device of claim 8, wherein: the inner side surface of the rotating pipe (405) is provided with internal threads, and the inner side threads of the rotating pipe (405) are connected with the plug column unit (9).

10. The square field measuring device of claim 9, wherein: the inserting column unit (9) comprises a central inserting column (901) with the middle part in threaded fit in the rotary pipe (405), the lower end of the central inserting column (901) is rotatably connected with a transverse connecting plate (902), two side inserting columns (903) are relatively fixed at two ends of the transverse connecting plate (902), and the two side inserting columns (903) slide in two longitudinal through holes in the top surface of the base (404); the bottoms of the central inserting column (901) and the two side inserting columns (903) are provided with conical plugs.