Pay-off device for engineering surveying

Abstract

The utility model relates to the technical field of engineering surveying devices, and discloses a pay-off device for engineering surveying, which comprises a base, a sliding plate is arranged on the surface of the base, a placing plate is arranged on the back surface of the sliding plate, a cable placing assembly is arranged on the side surface of the placing plate, and a pay-off control assembly is arranged at the top of the base. According to the pay-off device for engineering surveying, the pay-off control assembly is arranged, the height of the pressed bottom end contact air bag and the height of the pressed contact elastic cushion are controlled through the lifting device, then an air pump is started to input air into the middle connecting air bag, the bottom end contact air bag is inflated and expanded, and the downward expansion distance can be known according to a scale plate; adjustment is carried out according to the set winding thickness, when the cable is wound to make contact with the contact elastic cushion, it is indicated that the single winding amount at the moment is appropriate, then paying-off treatment can be carried out, the winding and paying-off amount can be controlled according to needs, and the use effect is good.

Description

A surveying and setting-out device for engineering surveying Technical Field

[0001] This utility model relates to the field of engineering surveying device technology, specifically to a line-laying device for engineering surveying. Background Technology

[0002] In various engineering construction projects such as buildings, roads, and bridges, engineering surveying, as a preliminary step in construction, plays a crucial role in the planning, design, and construction of the entire project. Setting out, an important part of engineering surveying, is the process of transferring the planar position and elevation of buildings and structures from the design drawings to the actual site using surveying instruments and tools, providing precise positioning data for subsequent foundation construction and main structure building.

[0003] The prior art discloses a wire laying device for engineering surveying and mapping, with announcement number CN221680437U. The device includes a wire laying body, a tensioning mechanism on the wire laying body, a swing rod on the tensioning mechanism, a wire reel shell on the inner wall of the swing rod, a winding roller rotatably connected to the center of the wire reel shell and passing through the swing rod, a display screen on the swing rod, a support plate on the wire laying body, a cleaning mechanism on the support plate, a handle on one side of the wire laying body symmetrical to the support plate, a drive motor on the swing rod connected to the winding roller, an encoder on one side of the swing rod symmetrical to the drive motor connected to the winding roller, and a partition on the inner wall of the support plate.

[0004] The aforementioned engineering surveying wire laying device utilizes a tensioning mechanism to ensure the flatness of the standard wire, avoiding damage caused by wrinkles. However, the device lacks a component to control the thickness of the wire during winding. Excessive wire winding can lead to deviations in the wire laying position, affecting laying accuracy and resulting in poor performance. Improvements are needed. Summary of the Invention

[0005] The purpose of this invention is to provide a surveying and laying-out device for engineering measurement, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a wire laying device for engineering surveying, comprising a base, a sliding plate provided on the surface of the base, a placement plate provided on the back of the sliding plate, a cable placement assembly provided on the side of the placement plate, and a wire laying control assembly provided on the top of the base.

[0007] The cable laying control assembly includes a lifting mechanism and a cable winding and laying control mechanism, and a placement platform is fixedly connected to the top center of the base.

[0008] The cable retraction control mechanism includes a connecting round base, a connecting rod, an air pump, a placement cylinder, a connecting air tube, a middle connecting airbag, a bottom contact airbag, a contact elastic pad, an extension connecting air tube, and a scale plate. The connecting rod is fixedly connected to the left side of the connecting round base, the placement cylinder is fixedly connected to the surface of the connecting rod, the air pump is fixedly connected to the top of the placement cylinder, the connecting air tube is fixedly connected to the front of the air pump, the middle connecting airbag is fixedly connected to the front of the placement cylinder near the bottom, the end of the connecting air tube away from the air pump is fixedly connected to the front of the middle connecting airbag, the extension connecting air tube is fixedly connected to the front of the middle connecting airbag, the bottom contact airbag is fixedly connected to the bottom of the placement cylinder, the end of the extension connecting air tube away from the middle connecting airbag is fixedly connected to the top of the bottom contact airbag, and the contact elastic pad is fixedly connected to the bottom of the bottom contact airbag.

[0009] Preferably, the lifting mechanism includes a hollow support frame, a gripping wheel, a screw, a connector, a limiting rod, a connecting seat, a limiting slide, a connecting cylinder, and a connecting column. The hollow support frame is fixedly connected to the top of the placement platform. A rectangular groove is provided on the right side of the hollow support frame. The gripping wheel is fixedly connected to the bottom of the screw. The connector is fixedly connected to the top of the hollow support frame. The connecting seat is fixedly connected to the top of the connector. The screw is threaded into the interior of the connecting seat. The limiting rod is fixedly connected to the top right side of the connector. The connecting cylinder is fixedly connected to the top of the connecting seat. The limiting slide is fixedly connected to the right side of the connecting seat and slidably connected to the surface of the limiting rod. The connecting column is fixedly connected to the left side of the connecting cylinder.

[0010] Preferably, the cable placement assembly includes a cable feeding drum, a connecting shaft, a first limiting seat, a connecting frame, a hydraulic telescopic rod, a limiting slider, a pressure plate, a bottom support plate, and a second limiting seat. A motor is fixedly connected to the right side of the placement plate. The connecting shaft is fixedly connected to the output shaft of the motor. The cable feeding drum is fixedly connected to the surface of the connecting shaft. The first limiting seat is fixedly connected to the top of the cable feeding drum. The connecting frame is fixedly connected to the inner left side of the cable feeding drum. The hydraulic telescopic rod is fixedly connected to the top of the connecting frame. The limiting slider is fixedly connected to the bottom of the hydraulic telescopic rod. The pressure plate is fixedly connected to the right side of the limiting slider. The bottom support plate is fixedly connected to the bottom right side of the first limiting seat. The second limiting seat is fixedly connected to the top of the cable feeding drum.

[0011] Preferably, the width of the limiting slider is adapted to the internal front-to-back distance of the connecting frame. The limiting slider can slide in close contact with the inside of the connecting frame to limit the lifting and sliding movement and avoid deviation from affecting the pressing of the cable end.

[0012] Preferably, the connecting round seat is fixedly connected to the surface of the connecting column, and the scale plate is fixedly connected to the bottom left side of the connecting column.

[0013] Preferably, a limiting ring is fixedly connected to the inner top of the hollow support frame. The inner ring of the limiting ring has an internal thread groove. The screw is threaded to the inner ring of the limiting ring. The screw can be turned to adjust the height of the connecting column, thereby controlling the height of the bottom contact airbag and contact elastic pad for proper use.

[0014] Preferably, the pressure plate is slidably connected to the left side of the second limiting seat, and the bottom area of ​​the pressure plate is equal to that of the bottom support plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The wire laying device used for engineering surveying is equipped with a wire laying control component. The lifting device controls the height of the bottom contact airbag and the contact elastic pad. Then, the air pump is started to input gas into the middle connecting airbag, causing the bottom contact airbag to inflate. The downward expansion distance can be determined by the scale plate. The device can be adjusted according to the set winding thickness. When the cable is wound up to contact the contact elastic pad, it indicates that the single winding amount is appropriate, and then the wire can be laid out. The winding and laying amount can be controlled according to the requirements, and the device has good performance.

[0017] 2. The cable laying device for this project measurement is equipped with a cable placement component. The cable end is placed on the top of the bottom support plate. Then, the hydraulic telescopic rod can be activated to drive the limit slider to slide downward inside the connecting frame, which drives the pressure plate to move down synchronously until the bottom of the pressure plate contacts the cable end. This facilitates winding and prevents slippage. It can also be used with a stepper motor for cable laying. Attached Figure Description

[0018] Figure 1 is a schematic diagram of the overall three-dimensional structure of this utility model;

[0019] Figure 2 is an enlarged structural schematic diagram of point A in Figure 1 of this utility model;

[0020] Figure 3 is a three-dimensional structural diagram of the wire feeding control component of this utility model;

[0021] Figure 4 is an enlarged structural schematic diagram of section B in Figure 3 of this utility model.

[0022] In the diagram: 1. Base; 2. Sliding plate; 3. Placement plate; 4. Cable placement assembly; 401. Cable feeding drum; 402. Connecting shaft; 403. First limit seat; 404. Connecting frame; 405. Hydraulic telescopic rod; 406. Limiting slider; 407. Pressure plate; 408. Bottom support plate; 409. Second limit seat; 5. Cable feeding control assembly; 501. Hollow support frame; 502. Holding wheel; 503. Screw. ; 504, Connector; 505, Limiting rod; 506, Connecting seat; 507, Limiting slide; 508, Connecting cylinder; 509, Connecting column; 510, Connecting round seat; 511, Connecting thin rod; 512, Air pump; 513, Placement cylinder; 514, Connecting air tube; 515, Intermediate connecting airbag; 516, Bottom contact airbag; 517, Contact elastic pad; 518, Extension connecting air tube; 519, Scale plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4. This utility model provides the following technical solutions:

[0025] A wire laying device for engineering surveying includes a base 1, a sliding plate 2 on the surface of the base 1, a placement plate 3 on the back of the sliding plate 2, a cable placement assembly 4 on the side of the placement plate 3, and a wire laying control assembly 5 on the top of the base 1.

[0026] The cable laying control assembly 5 includes a lifting mechanism and a cable winding and laying control mechanism, and a placement platform is fixedly connected to the top center of the base 1.

[0027] The cable retraction control mechanism includes a connecting round base 510, a connecting rod 511, an air pump 512, a placement cylinder 513, a connecting air tube 514, an intermediate connecting airbag 515, a bottom contact airbag 516, a contact elastic pad 517, an extension connecting air tube 518, and a scale plate 519. The connecting rod 511 is fixedly connected to the left side of the connecting round base 510, the placement cylinder 513 is fixedly connected to the surface of the connecting rod 511, the air pump 512 is fixedly connected to the top of the placement cylinder 513, and the connecting air tube 514 is fixedly connected to the front of the air pump 512. The intermediate connecting airbag 515 is fixedly connected to the front of the placement cylinder 513 near the bottom. The end of the connecting air tube 514 away from the air pump 512 is fixedly connected to the front of the intermediate connecting airbag 515. The extension connecting air tube 518 is fixedly connected to the front of the intermediate connecting airbag 515. The bottom contact airbag 516 is fixedly connected to the bottom of the placement cylinder 513. The end of the extension connecting air tube 518 away from the intermediate connecting airbag 515 is fixedly connected to the top of the bottom contact airbag 516. The contact elastic pad 517 is fixedly connected to the bottom of the bottom contact airbag 516.

[0028] The lifting mechanism includes a hollow support frame 501, a gripping wheel 502, a screw 503, a connector 504, a limiting rod 505, a connecting seat 506, a limiting slide 507, a connecting cylinder 508, and a connecting column 509. The hollow support frame 501 is fixedly connected to the top of the placement platform. A rectangular slot is provided on the right side of the hollow support frame 501. The gripping wheel 502 is fixedly connected to the bottom of the screw 503. The connector 504 is fixedly connected to the top of the hollow support frame 501. The connecting seat 506 is fixedly connected to the top of the connector 504. The screw 503 is threaded into the inside of the connecting seat 506. The limiting rod 505 is fixedly connected to the top right side of the connector 504. The connecting cylinder 508 is fixedly connected to the connecting seat. At the top of 506, the limiting slide 507 is fixedly connected to the right side of the connecting seat 506, the limiting slide 507 is slidably connected to the surface of the limiting rod 505, the connecting column rod 509 is fixedly connected to the left side of the connecting cylinder 508, the connecting round seat 510 is fixedly connected to the surface of the connecting column rod 509, the scale plate 519 is fixedly connected to the bottom left side of the connecting column rod 509, the inner top of the hollow support frame 501 is fixedly connected to the limiting ring, the inner ring of the limiting ring has an internal thread groove, the screw 503 is threaded to the inner ring of the limiting ring, the screw 503 can be turned to adjust the height of the connecting column rod 509, thereby controlling the height of the bottom contact airbag 516 and contact elastic pad 517 of the pressed part for use.

[0029] The cable placement assembly 4 includes a cable reel 401, a connecting shaft 402, a first limiting seat 403, a connecting frame 404, a hydraulic telescopic rod 405, a limiting slider 406, a pressure plate 407, a bottom support plate 408, and a second limiting seat 409. A motor is fixedly connected to the right side of the placement plate 3. The connecting shaft 402 is fixedly connected to the motor's output shaft. The cable reel 401 is fixedly connected to the surface of the connecting shaft 402. The first limiting seat 403 is fixedly connected to the top of the cable reel 401. The connecting frame 404 is fixedly connected to the inner left side of the cable reel 401. The hydraulic telescopic rod 405 is fixedly connected to the top of the connecting frame 404. The limiting slider 406... Block 406 is fixedly connected to the bottom of the hydraulic telescopic rod 405. Pressure plate 407 is fixedly connected to the right side of limit slider 406. Bottom support plate 408 is fixedly connected to the bottom right side of the first limit seat 403. Second limit seat 409 is fixedly connected to the top of the cable reel 401. Pressure plate 407 is slidably connected to the left side of the second limit seat 409. The bottom area of ​​pressure plate 407 and bottom support plate 408 are equal. The width of limit slider 406 is adapted to the internal front-to-back distance of connecting frame 404. Limit slider 406 can slide in close contact with the inside of connecting frame 404 to limit the lifting and sliding movement and avoid deviation affecting the pressing of cable head end.

[0030] When using the cable, the cable end can be placed on top of the bottom support plate 408. Then, the hydraulic telescopic rod 405 can be activated to drive the limit slider 406 to slide downwards against the inside of the connecting frame 404, causing the pressure plate 407 to move downwards synchronously until the bottom of the pressure plate 407 contacts the cable end, facilitating winding and preventing slippage. When unwinding, the stepper motor can be activated in reverse, so that the output shaft of the unwinding drum 401 rotates in the opposite direction to that during winding, allowing for unwinding. A component for controlling the amount of unwinding and winding is provided on the top of the base 1. The height can be adjusted during use by holding the grip wheel 502 to rotate the screw 503, which in turn drives the connecting rod 509 to slide downwards. Slide the cable until the bottom contact airbag 516 and contact elastic pad 517 enter the inner ring position of the cable reel 401. Then, the air pump 512 can be started to input gas into the middle connecting airbag 515 in conjunction with the connecting air pipe 514. The middle connecting airbag 515 is connected to the bottom contact airbag 516 through the extended connecting air pipe 518. The air is supplied to the bottom contact airbag 516, causing it to inflate. The downward expansion distance can be determined according to the scale plate 519. Adjust the cable according to the set winding thickness. When the cable is wound up to contact the contact elastic pad 517, it means that the single winding amount is appropriate. Then, the cable can be unwound. The winding and unwinding amount can be controlled according to the needs, resulting in good performance.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surveying and setting-out device for engineering measurements, comprising a base (1), characterized in that: The base (1) has a sliding plate (2) on its surface, a placement plate (3) on its back, a cable placement assembly (4) on its side, and a cable feeding control assembly (5) on its top. The cable feeding control assembly (5) includes a lifting mechanism and a cable feeding control mechanism. A placement platform is fixedly connected to the top center of the base (1). The cable feeding control mechanism includes a connecting round seat (510), a connecting rod (511), an air pump (512), a placement cylinder (513), a connecting air tube (514), a middle connecting airbag (515), a bottom contact airbag (516), a contact elastic pad (517), an extension connecting air tube (518), and a scale plate (519). The connecting rod (511) is fixedly connected to the left side of the connecting round seat (510). The air pump (512) is fixedly connected to the top of the placement cylinder (513), the connecting air tube (514) is fixedly connected to the front of the air pump (512), the intermediate connecting air bag (515) is fixedly connected to the front of the placement cylinder (513) near the bottom, the end of the connecting air tube (514) away from the air pump (512) is fixedly connected to the front of the intermediate connecting air bag (515), the extension connecting air tube (518) is fixedly connected to the front of the intermediate connecting air bag (515), the bottom contact air bag (516) is fixedly connected to the bottom of the placement cylinder (513), the end of the extension connecting air tube (518) away from the intermediate connecting air bag (515) is fixedly connected to the top of the bottom contact air bag (516), and the contact elastic pad (517) is fixedly connected to the bottom of the bottom contact air bag (516).

2. The surveying and setting-out device for engineering measurement according to claim 1, characterized in that: The lifting mechanism includes a hollow support frame (501), a gripping wheel (502), a screw (503), a connector (504), a limiting rod (505), a connecting seat (506), a limiting slide (507), a connecting cylinder (508), and a connecting column (509). The hollow support frame (501) is fixedly connected to the top of the placement platform. A rectangular slot is provided on the right side of the hollow support frame (501). The gripping wheel (502) is fixedly connected to the bottom of the screw (503), and the connector (504) is fixedly connected to the top of the hollow support frame (501). The connecting seat (506) is fixedly connected to the top of the connecting member (504), the screw (503) is threadedly connected to the inside of the connecting seat (506), the limiting rod (505) is fixedly connected to the top right side of the connecting member (504), the connecting cylinder (508) is fixedly connected to the top of the connecting seat (506), the limiting slide (507) is fixedly connected to the right side of the connecting seat (506), the limiting slide (507) is slidably connected to the surface of the limiting rod (505), and the connecting column (509) is fixedly connected to the left side of the connecting cylinder (508).

3. The surveying and setting-out device for engineering measurement according to claim 1, characterized in that: The cable placement assembly (4) includes a cable reel (401), a connecting shaft (402), a first limiting seat (403), a connecting frame (404), a hydraulic telescopic rod (405), a limiting slider (406), a pressure plate (407), a bottom support plate (408), and a second limiting seat (409). A motor is fixedly connected to the right side of the placement plate (3), the connecting shaft (402) is fixedly connected to the output shaft of the motor, the cable reel (401) is fixedly connected to the surface of the connecting shaft (402), and the first limiting seat (403) is fixedly connected to the... The top of the wire feeding drum (401) is connected to the connecting frame (404) and fixedly connected to the left side inside the wire feeding drum (401). The hydraulic telescopic rod (405) is fixedly connected to the top of the connecting frame (404). The limiting slider (406) is fixedly connected to the bottom of the hydraulic telescopic rod (405). The pressure plate (407) is fixedly connected to the right side of the limiting slider (406). The bottom support plate (408) is fixedly connected to the bottom right side of the first limiting seat (403). The second limiting seat (409) is fixedly connected to the top of the wire feeding drum (401).

4. The surveying and setting-out device for engineering measurement according to claim 3, characterized in that: The width of the limiting slider (406) is adapted to the internal front-to-back distance of the connecting frame (404).

5. A surveying and setting-out device for engineering measurement according to claim 2, characterized in that: The connecting round seat (510) is fixedly connected to the surface of the connecting column (509), and the scale plate (519) is fixedly connected to the bottom left side of the connecting column (509).

6. The surveying and setting-out device for engineering measurement according to claim 2, characterized in that: The hollow support frame (501) has a limiting ring fixedly connected to its inner top end. The inner ring of the limiting ring has an internal thread groove, and the screw (503) is threaded to the inner ring of the limiting ring.

7. The surveying and setting-out device for engineering measurement according to claim 3, characterized in that: The pressure plate (407) is slidably connected to the left side of the second limiting seat (409), and the bottom area of ​​the pressure plate (407) is equal to that of the bottom support plate (408).

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