CN115727741A - Tower crane verticality deviation measuring device - Google Patents

Abstract

The invention discloses a tower crane verticality deviation measuring device, which relates to the technical field of tower crane verticality deviation measurement. The invention comprises a U-shaped block, one end of the opening of the U-shaped block is rotatably fitted with a baffle, the other end is threaded with a first handle screw for fixing the baffle, and the U-shaped block is rotatably fitted with two telescopic rulers; U-shaped The relative inner sides of the clamping blocks are slidably matched with splints. The U-shaped clamping block is equipped with an adjustment mechanism for driving the two splints to slide towards each other. Positioning piece for limiting plate sliding. The invention drives the two splints to slide towards each other through the adjustment mechanism, which is convenient for the device to be centered and clamped on a column of the tower crane. By setting the telescopic scale, it is convenient for the measuring device to be used in conjunction with the observer, and the scale value of the device can be judged by the observer. Verticality deviation, which makes it easy to quickly measure whether the tower crane is offset and the verticality deviation value.

Description

A device for measuring verticality deviation of tower crane

technical field

The invention belongs to the technical field of tower crane verticality deviation measurement, in particular to a tower crane verticality deviation measurement device.

Background technique

Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane". , concrete, steel pipe and other construction raw materials. Tower crane is an indispensable equipment on the construction site.

Tower cranes must be used in the construction industry, and the verticality of the tower crane needs to be measured regularly to ensure safety. Traditionally, the verticality of the tower crane is only estimated as a number, and the specific value is not accurate, so there is a certain safety risk.

Contents of the invention

The purpose of the present invention is to provide a device for measuring the verticality deviation of tower cranes, which solves the traditional technical problem that the verticality of tower cranes is only estimated by a number, but is not accurate to a specific value, and there is a certain safety risk.

For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions:

A device for measuring the verticality deviation of a tower crane, comprising a U-shaped block, one end of the opening of the U-shaped block is rotatably fitted with a baffle, and the other end is threaded with a first handle screw for fixing the baffle, and the upper end of the U-shaped block is rotatably fitted There are two telescopic rulers;

The relative inner side of the U-shaped clamping block is slidably matched with splints. The U-shaped clamping block is equipped with an adjustment mechanism for driving the two splints to slide towards each other. It is used to drive the positioning piece to slide the limit plate.

Optionally, the telescopic ruler is rotatably fitted on the eccentric part of the U-shaped block away from the side of the opening end, and the telescopic ruler includes a female seat on the rotating U-shaped block, a slideway provided along the length direction of the female seat, and a sliding fit on the sliding body. The sliding plate in the track is threaded on the female seat to match the second handle screw for positioning the sliding plate, and the female seat and the sliding plate are provided with scales.

Optionally, the female seat is provided with a rotating shaft, and the U-shaped block is provided with a groove corresponding to the rotating shaft, and a rubber ring is fixed in the groove, and the rotating shaft is rotatably fitted in the rubber ring.

Optionally, the adjustment mechanism includes a chute set in the U-shaped block, and the two splints are slidably fitted in the chute, and one side of the splint is equipped with a threaded guide post that runs through the U-shaped block, and the threaded guide post is the side part A cylindrical structure with notches along the length direction, the first sprocket is rotated in the chute, and the threaded guide post is slidably fitted in the first sprocket, and a transmission for driving the two first sprockets to rotate is installed in the chute pieces.

Optionally, the transmission member includes a transmission column that is rotatably fitted in the chute, a U-shaped block protruding from the first end of the transmission column is provided with a rotating handle, and a fixed sleeve on the transmission column is provided with a second sprocket corresponding to the first sprocket. The second sprocket, the transmission between the first sprocket and the second sprocket is matched with a transmission chain.

Optionally, the inner wall of the chute is provided with an annular bearing groove corresponding to the first sprocket, the first bearing is installed in the annular bearing groove, and a connecting ring fixed on the first bearing is installed on the first sprocket.

Optionally, the inner wall of the chute is provided with a bearing groove corresponding to the transmission column, a second bearing is installed in the bearing groove, and the second end of the transmission column is fixed in the second bearing.

Optionally, an arc-shaped slot is provided on the baffle, and the arc-shaped slot corresponds to the screw thread end of the first handle.

Optionally, the positioning member includes a polygonal cylinder installed on the limiting plate, a polygonal threaded cylinder slidingly fitted in the polygonal cylinder, the polygonal cylinder is threaded with a third handle screw corresponding to the polygonal threaded cylinder, and the limiting plate There is a through hole on the top, and the polygonal cylinder slides and fits in the through hole on the limiting plate. The limiting plate is provided with a U-shaped seat, and the U-shaped seat is rotatably fitted with a handle threaded rod that is threadedly matched with the polygonal threaded cylinder.

Optionally, a bearing hole is provided on the U-shaped seat, and a third bearing is arranged in the bearing hole, and the threaded rod of the handle is fixed in the third bearing, and the side of the threaded rod of the handle located in the third bearing is a smooth curved surface.

Embodiments of the present invention have the following beneficial effects:

One embodiment of the present invention drives the two splints to slide towards each other through the adjustment mechanism, so that the device can be centered and clamped on a column of the tower crane, and then turn the baffle to the threaded end of the first handle screw, and then turn the first handle screw to position The baffle, and then close the opening end of the U-shaped block through the baffle, and the rotating positioning member drives the sliding limit plate to withstand the column, so that the limit plate cooperates with the inner wall of the U-shaped block to clamp and position the device on the column, and then the device is raised. The stability of positioning, by setting the telescopic ruler, it is convenient for the measuring device to be used with the observer, and the value of the scale of the device can be judged by the observer to judge the verticality deviation, and then it is convenient to quickly measure whether the tower crane is offset and the value of the verticality deviation.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is the structural representation of an embodiment of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of an embodiment of the present invention;

Fig. 3 is the main structure schematic diagram of an embodiment of the present invention;

Fig. 4 is a sectional view of an embodiment of the present invention;

Fig. 5 is a sectional view of a positioning member according to an embodiment of the present invention;

Fig. 6 is a schematic diagram of the structure of the arc-shaped slot on the baffle according to an embodiment of the present invention;

Fig. 7 is a schematic structural view of a threaded guide column according to an embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a telescopic ruler according to an embodiment of the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

U-shaped block 1, baffle plate 2, first handle screw 3, telescopic ruler 4, splint 5, limit plate 6, groove 7, rubber ring 8, chute 9, thread guide post 10, first sprocket 11 , transmission column 12, second sprocket 13, transmission chain 14, first bearing 15, connecting ring 16, second bearing 17, arc-shaped slot 18, polygonal cylinder 19, polygonal threaded cylinder 20, third handle screw 21, U-shaped seat 22, handle threaded rod 23, third bearing 24, female seat 401, slideway 402, sliding plate 403, second handle screw 404, rotating shaft 405.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

To keep the following description of the embodiments of the present invention clear and concise, detailed descriptions of known functions and known components are omitted from the present invention.

Please refer to Figs. 1-8, in this embodiment a device for measuring the verticality deviation of the tower crane is provided, including: a U-shaped block 1, one end of the opening of the U-shaped block 1 is rotatably fitted with a baffle plate 2, and the other end The thread is fitted with the first handle screw 3 for fixing the baffle 2, and the U-shaped block 1 is rotated and fitted with two telescopic rulers 4;

U-shaped clamping block 1 is slidably fitted with splint 5 on the relative inner side, and U-shaped clamping block 1 is equipped with an adjustment mechanism for driving the two splints 5 to slide towards each other. 6. The baffle plate 2 is provided with a positioning piece for driving the limit plate 6 to slide.

Drive the two splints 5 to slide towards each other through the adjustment mechanism, so that the device can be centered and clamped on a column of the tower crane, then turn the baffle 2 to the threaded end of the first handle screw 3, and then turn the first handle screw 3 to position the baffle 2. Then close the opening end of the U-shaped block 1 through the baffle plate 2, and the rotating positioning member drives the sliding limit plate 6 to withstand the column, so that the limit plate 6 cooperates with the inner wall of the U-shaped block 1 to clamp and position the device on the column , and then improve the stability of device positioning, by setting the telescopic ruler 4, it is convenient to use the measuring device with the observer, and use the observer to see the scale value of the device to judge the verticality deviation, and then it is convenient to quickly measure whether the tower crane is offset and the verticality Deviation value.

The telescopic ruler 4 of the present embodiment is rotatably fitted on the eccentric part of the U-shaped block 1 away from the opening end. The slideway 402 and the slide plate 403 slidingly fitted in the slideway 402, the vertical sections of the slideway 402 and the slide plate 403 are T-shaped structures, and the female seat 401 is threaded with a second handle screw 404 for positioning the slide plate 403. The seat 401 and the sliding plate 403 are provided with scales, the female seat 401 is provided with a rotating shaft 405, the U-shaped block 1 is provided with a groove 7 corresponding to the rotating shaft 405, and a rubber ring 8 is fixed in the groove 7, and The rotating shaft 405 is fitted in the rubber ring 8 so as to facilitate the rotation of the telescopic ruler 4 so that the two telescopic rulers 4 are horizontal, and the rotating shaft 405 is driven to rotate in the rubber ring 8, and then the rotating shaft 405 is positioned through the rubber ring 8, and then the state of the telescopic ruler 4 is positioned. Then slide the sliding plate 403 to make the sliding plate 403 slide out of the female seat 401, and locate the sliding position of the sliding plate 403 by the second handle screw 404, and when not in use, turn the telescopic ruler 4 to vertical and cover it by the column , thereby improving the aesthetics of the device.

The adjustment mechanism of this embodiment includes a chute 9 provided in the U-shaped block 1, and two splints 5 are slidably fitted in the chute 9, and one side of the splint 5 is provided with a threaded guide column 10 that runs through the U-shaped block 1 , the thread directions of the two threaded guide columns 10 are opposite, the threaded guide columns 10 are cylindrical structures with notches along the length direction, the first sprocket 11 is rotated in the chute 9, and the threaded guide columns 10 are slidably fitted in the In the first sprocket 11, a transmission part for driving the two first sprockets 11 is installed in the chute 9, and the inner wall of the chute 9 is provided with an annular bearing groove corresponding to the first sprocket 11, and the ring bearing groove is installed There is a first bearing 15, the first sprocket 11 is equipped with a connecting ring 16 fixed on the first bearing 15, the transmission part includes a transmission column 12 that is rotatably fitted in the chute 9, and the first end of the transmission column 12 stretches out U Type card block 1 is equipped with a rotating handle, and the second sprocket 13 corresponding to the first sprocket 11 is fixedly set on the transmission column 12, and the transmission between the first sprocket 11 and the second sprocket 13 is equipped with a transmission Chain 14, the inner wall of chute 9 is provided with the bearing groove corresponding to transmission column 12, and the second bearing 17 is installed in the bearing groove, and the second end of transmission column 12 is fixed in the second bearing 17, is convenient to pass through rotation transmission. Column 12 drives two second sprocket wheels 13, and second sprocket wheel 13 drives first sprocket wheel 11 to rotate through transmission chain 14, and then drives threaded guide post 10 and splint 5 to slide synchronously, because the thread direction of two threaded guide posts 10 is opposite, And then drive two splints 5 to move toward each other and clamp the column.

The baffle 2 of this embodiment is provided with an arc-shaped slot 18, and the arc-shaped slot 18 corresponds to the threaded end of the first handle screw 3, which is convenient for rotating the baffle 2, so that the arc-shaped slot 18 can pass through the baffle 2. 18 turn to the threaded end of the first handle screw 3, then turn the first handle screw 3 to position the baffle 2, and then close the open end of the U-shaped block 1 through the baffle 2.

The positioning part of this embodiment includes a polygonal cylinder 19 installed on the limit plate 6, a polygonal threaded cylinder 20 slidingly fitted in the polygonal cylinder 19, and the polygonal cylinder 19 is threaded with a third corresponding to the polygonal threaded cylinder 20. The handle screw 21 is provided with a through hole on the limiting plate 6, and the polygonal cylinder 19 is slidably fitted in the through hole on the limiting plate 6, the limiting plate 6 is provided with a U-shaped seat 22, and the U-shaped seat 22 rotates Cooperate with the handle threaded rod 23 that is threadedly matched with the polygonal threaded barrel 20, the U-shaped seat 22 is provided with a bearing hole, the bearing hole is provided with a third bearing 24, and the handle threaded rod 23 is fixed in the third bearing 24, the handle threaded The side surface of the rod 23 located in the inner part of the third bearing 24 is a smooth curved surface, which is convenient for the sliding limit plate 6 to withstand the column, which is convenient to reduce the time consumed by the threaded rod 23 of the rotating handle, and drives the polygonal cylinder 19 to slide on the polygonal threaded cylinder 20 and pass through the first The three-handle screw 21 locates the position of the polygonal cylinder 19, and then tightens the splint 5 and the limit plate 6 by rotating the threaded rod 23 of the handle and the transmission column 12, and then stably fixes the U-shaped block 1 on the column.

Working principle: Insert the U-shaped block 1 on a column of the tower crane, then rotate the transmission column 12 to drive the two second sprockets 13, and the second sprocket 13 drives the first sprocket 11 to rotate through the transmission chain 14, and then drives the The threaded guide post 10 and the splint 5 slide synchronously, because the thread directions of the two threaded guide posts 10 are opposite, and then the two splints 5 are driven to move toward each other to clamp the column, and then the baffle 2 is rotated to pass through the arc-shaped slot 18 on the baffle 2. Turn to the threaded end of the first handle screw 3, then turn the first handle screw 3 to position the baffle 2, and then close the open end of the U-shaped block 1 through the baffle 2;

Then the sliding limit plate 6 withstands the column, drives the polygonal cylinder 19 to slide on the polygonal threaded cylinder 20 and locates the position of the polygonal cylinder 19 by the third handle screw 21, then tightens the splint 5 by rotating the handle threaded rod 23 and the transmission column 12 and the limiting plate 6, and then stably fix the U-shaped block 1 on the column;

Rotate the telescopic ruler 4 to make the two telescopic rulers 4 level, drive the rotating shaft 405 to rotate in the rubber ring 8, and then position the rotating shaft 405 through the rubber ring 8, and then locate the state of the telescopic ruler 4, and then slide the sliding plate 403 to make the sliding plate 403 slide Out of the female seat 401, and locate the sliding position of the sliding plate 403 through the second handle screw 404;

The telescoping ruler 4 is 40cm long, and is divided into two stretchable sections, each section is 20cm. The measuring device is used in conjunction with the observer, and the verticality deviation is judged by seeing the scale value of the device with the observer.

When there is no attached wall, the independent height is calculated as 100 meters, and the deviation standard is 4/1000; when there is an attached wall, the design is 100 meters above the attached wall, and the deviation standard is 4/1000, and the design below the attached wall is 200 meters, and the deviation The standard is 2/1000. If the height increases, the length of the scale should be appropriately increased.

It should be noted that all the electrical equipment involved in this application can be powered by a storage battery or an external power supply.

The above-described embodiments can be combined with each other.

The present invention is not limited to the above-mentioned embodiments, and anyone should know that structural changes made under the inspiration of the present invention fall within the protection scope of the present invention.

The technologies, shapes and construction parts not described in detail in the present invention are all known technologies.

Claims (10)

1. The utility model provides a tower crane straightness deviation in verticality measuring device which characterized in that includes: the device comprises a U-shaped fixture block (1), a baffle (2) is rotatably matched at one end of an opening of the U-shaped fixture block (1), a first handle screw (3) for fixing the baffle (2) is in threaded fit at the other end of the opening, and two telescopic rulers (4) are rotatably matched on the U-shaped fixture block (1);

the U-shaped clamping block (1) is provided with clamping plates (5) in a sliding fit mode relatively to the inner sides, an adjusting mechanism used for driving the two clamping plates (5) to slide in opposite directions is arranged on the U-shaped clamping block (1), a limiting plate (6) located in the U-shaped clamping block (1) is arranged on the baffle (2) in a sliding fit mode, and a positioning piece used for driving the limiting plate (6) to slide is arranged on the baffle (2).

2. The tower crane perpendicularity deviation measuring device according to claim 1, wherein the telescopic ruler (4) is rotatably matched at an eccentric position of one side, away from the opening end, of the U-shaped fixture block (1), the telescopic ruler (4) comprises a female seat (401) on the U-shaped fixture block (1), a slide way (402) arranged along the length direction of the female seat (401), and a sliding plate (403) in sliding fit with the slide way (402), a second handle screw (404) used for positioning the sliding plate (403) is in threaded fit with the female seat (401), and scales are arranged on the female seat (401) and the sliding plate (403).

3. The tower crane verticality deviation measuring device according to claim 2, wherein a rotating shaft (405) is arranged on the female seat (401), a groove (7) corresponding to the rotating shaft (405) is arranged on the U-shaped fixture block (1), a rubber ring (8) is fixed in the groove (7), and the rotating shaft (405) is rotatably matched in the rubber ring (8).

4. The tower crane verticality deviation measuring device according to claim 1, wherein the adjusting mechanism comprises a chute (9) formed in the U-shaped fixture block (1), the two clamping plates (5) are slidably fitted in the chute (9), a thread guide post (10) penetrating through the U-shaped fixture block (1) is installed on one side of each clamping plate (5), the thread guide post (10) is of a cylindrical structure with a gap on the side part along the length direction, a first chain wheel (11) is rotatably fitted in the chute (9), the thread guide post (10) is slidably fitted in the first chain wheel (11), and a transmission part for driving the two first chain wheels (11) to rotate is installed in the chute (9).

5. The tower crane verticality deviation measuring device according to claim 4, wherein the transmission member comprises a transmission column (12) which is rotationally matched in the sliding groove (9), a first end of the transmission column (12) extends out of the U-shaped fixture block (1) and is provided with a rotating handle, a second chain wheel (13) corresponding to the first chain wheel (11) is fixedly sleeved on the transmission column (12), and a transmission chain (14) is in transmission fit between the first chain wheel (11) and the second chain wheel (13).

6. The tower crane perpendicularity deviation measuring device according to claim 4, characterized in that an annular bearing groove corresponding to the first chain wheel (11) is formed in the inner wall of the sliding groove (9), a first bearing (15) is arranged in the annular bearing groove, and a connecting ring (16) fixed on the first bearing (15) is arranged on the first chain wheel (11).

7. The tower crane perpendicularity deviation measuring device according to claim 5, characterized in that a bearing groove corresponding to the transmission column (12) is formed in the inner wall of the sliding groove (9), a second bearing (17) is installed in the bearing groove, and the second end of the transmission column (12) is fixed in the second bearing (17).

8. The tower crane verticality deviation measuring device according to claim 1, wherein an arc-shaped clamping groove (18) is formed in the baffle plate (2), and the arc-shaped clamping groove (18) corresponds to the threaded end of the first handle screw (3).

9. The tower crane perpendicularity deviation measuring device according to claim 1, wherein the positioning member comprises a polygonal barrel (19) mounted on the limiting plate (6), and a polygonal thread barrel (20) in sliding fit with the polygonal barrel (19), a third handle screw (21) corresponding to the polygonal thread barrel (20) is in threaded fit with the polygonal barrel (19), a through hole is formed in the limiting plate (6), the polygonal barrel (19) is in sliding fit with the through hole in the limiting plate (6), a U-shaped seat (22) is arranged on the limiting plate (6), and a handle threaded rod (23) in threaded fit with the polygonal thread barrel (20) is in rotating fit with the U-shaped seat (22).

10. The tower crane verticality deviation measuring device according to claim 9, wherein a bearing hole is formed in the U-shaped seat (22), a third bearing (24) is arranged in the bearing hole, the handle threaded rod (23) is fixed in the third bearing (24), and the side surface of the part, located in the third bearing (24), of the handle threaded rod (23) is a smooth curved surface.

Images