CN215114358U

CN215114358U - Cargo boom angle check out test set

Info

Publication number: CN215114358U
Application number: CN202120551941.XU
Authority: CN
Inventors: 廖泽民
Original assignee: Shenzhen Hongfengda Mechanical Equipment Co ltd
Current assignee: Shenzhen Hongfengda Mechanical Equipment Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-10
Anticipated expiration: 2031-03-17

Abstract

The utility model belongs to the technical field of crane detection, in particular to a jib loading boom angle detection device, which comprises an installation bottom plate, a first angle detection ruler with angle scales, a second angle detection ruler and a telescopic overturning arm, wherein a positioning plate with an arc structure is hinged at the end part of the installation bottom plate; the crane boom angle detection equipment of the utility model utilizes the sucker to realize the connection and the stability with the crane boom, the disassembly is more convenient on the premise of ensuring the stable connection, and meanwhile, the device has small volume and low cost, thereby having very wide market prospect; the device utilizes the two angle detection rulers to realize the angle measurement of the crane boom, utilizes the difference value to calculate the angle value instead of directly measuring the overturning angle of the crane boom, counteracts the error in the measurement process and ensures that the measurement precision is higher.

Description

Cargo boom angle check out test set

Technical Field

The utility model belongs to the technical field of the hoist detects, concretely relates to jib loading boom angle check out test set, in particular to jib loading boom angle check out test set for rubber-tyred crane.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a gantry crane, a crane and a tire crane, and is mainly characterized in that: the traveling cab and the crane control cab are integrated into a whole and are formed by evolving a crawler crane (crawler crane), a crawler and a traveling support part of a traveling mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages a road surface is overcome, and the material handling machine belongs to material handling machinery.

Before the rubber-tyred crane is put into use, the crane boom is necessary to be subjected to angle detection, and the use safety of the crane in the later period is ensured.

However, the existing crane boom angle detection equipment in the market is usually large in size, the installation and detection of the equipment are troublesome, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a jib loading boom angle check out test set has convenient to use, easily dismouting and the high characteristics of detection efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a jib loading boom angle check out test set, includes mounting plate, still includes the one number angle that has the angle scale and detects chi, two numbers angle and telescopic upset arm, the one number angle detect the chi and fix the mounting plate top surface, telescopic upset arm's one end with the one number angle detects the chi articulated, the other end with two numbers angle detects the chi articulated locating plate that has the arc structure of mounting plate's tip articulated there is a sucking disc be fixed with in mounting plate's bottom surface two numbers angle detect the top of chi and be fixed with the installation flexure strip, just the vertical tangent plane of installation flexure strip is "U" type structure installation flexure strip inner wall is fixed with No. two sucking discs.

As an optimized technical scheme of the utility model, the inner wall top of installation flexure strip has the stable sand grip that is semi-cylindrical structure.

As a preferred technical scheme of the utility model, the installation flexure strip includes flexure strip and No. two flexure strips, a flexure strip with No. two flexure strip elastic connection.

As an optimal technical scheme of the utility model, the terminal surface of No. two flexure strips is fixed with the connecting rod the terminal surface of a flexure strip has been seted up and has been held the spread groove of connecting rod the end fixing of connecting rod has the spacing dish the port inner wall of spread groove is fixed with the spacing ring cup jointed on the connecting rod be in the spacing dish with reset spring between the spacing ring.

As a preferred technical solution of the present invention, the telescopic overturning arm includes a fixed connecting arm and a telescopic connecting arm, the bottom end of the fixed connecting arm is hinged to the first angle detection ruler, and the top end of the telescopic connecting arm is hinged to the second angle detection ruler; the end face of the fixed connecting arm is fixed with a connecting column, the top end of the connecting column is fixed with a sliding rod, and the telescopic connecting arm is provided with a sliding hole for the sliding rod to penetrate through.

As an optimal technical scheme of the utility model, still include direction bullet piece and expanding spring the movable groove has been seted up to the outer wall of slide bar the direction spout that distributes along its length direction is seted up to the inner wall of slide opening, the one end embedding movable groove of direction bullet piece, the other end stretch out in the movable groove imbeds the direction spout, expanding spring distributes the terminal surface of direction bullet piece with between the tank bottom of movable groove.

Compared with the prior art, the beneficial effects of the utility model are that: the crane boom angle detection equipment of the utility model utilizes the sucker to realize the connection and the stability with the crane boom, the disassembly is more convenient on the premise of ensuring the stable connection, and meanwhile, the device has small volume and low cost, thereby having very wide market prospect; the device utilizes the two angle detection rulers to realize the angle measurement of the crane boom, utilizes the difference value to calculate the angle value instead of directly measuring the overturning angle of the crane boom, counteracts the error in the measurement process and ensures that the measurement precision is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic front sectional view of the elastic sheet of the present invention;

fig. 4 is a schematic side sectional view of the telescopic connecting arm of the present invention;

in the figure: 1. mounting a bottom plate; 2. a first angle detection ruler; 3. installing an elastic sheet; 4. a second angle detection ruler; 5. a fixed connecting arm; 6. a telescoping connecting arm; 7. connecting columns; 8. a slide bar; 9. a slide hole; 10. a first sucker; 11. positioning a plate; 12. a second sucker; 13. stabilizing the convex strip; 14. a first elastic sheet; 15. a second elastic sheet; 16. a connecting rod; 17. connecting grooves; 18. a limiting disc; 19. a limiting ring; 20. a return spring; 21. a movable groove; 22. a guide spring block; 23. a tension spring; 24. a guide chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a cargo boom angle detection device comprises an installation bottom plate 1, a first angle detection ruler 2 with angle scales, a second angle detection ruler 4 and a telescopic overturning arm, wherein the first angle detection ruler 2 is fixed on the top surface of the installation bottom plate 1, one end of the telescopic overturning arm is hinged with the first angle detection ruler 2, the other end of the telescopic overturning arm is hinged with the second angle detection ruler 4, a positioning plate 11 with an arc-shaped structure is hinged at the end part of the installation bottom plate 1, a first sucker 10 is fixed on the bottom surface of the installation bottom plate 1, an installation elastic sheet 3 is fixed at the top end of the second angle detection ruler 4, the longitudinal section of the installation elastic sheet 3 is in a U-shaped structure, a second sucker 12 is fixed on the inner wall of the installation elastic sheet 3, when the cargo boom angle detection device is used, the installation bottom plate 1 is abutted against the position of a crane through the first sucker 10, and passes through the rotation center shaft of the positioning plate 11, the installation elastic sheet 3 is buckled on the crane boom, the second sucker 12 is utilized to adsorb the crane boom, the stable installation of the equipment is realized, when in detection, the crane boom is overturned to drive the telescopic overturning arm to overturn and extend, the first angle detection ruler 2 and the second angle detection ruler 4 respectively detect an angle value, we know that an 'outer angle theorem' exists in mathematics, namely the outer angle of a triangle is equal to the sum of two inner angles which are not adjacent to the triangle, for the equipment, the crane boom, the telescopic overturning arm and the installation bottom plate 1 form the triangle, the angle display value of the first angle detection ruler 2 is the outer angle, the sum of the angle display value of the second angle detection ruler 4 and the angle detection value of the crane boom is the angle display value of the first angle detection ruler 2, therefore, the angle display value of the first angle detection ruler 2 minus the angle value of the second angle detection ruler 4 is the angle detection value of the crane boom, utilize the difference can reach the angle detection value of jib loading boom, the precision is higher, because even if there is measuring error in an angle detection chi 2 and No. two angle detection chi 4, its angle changes simultaneously, and the difference is unchangeable, consequently can not appear one of them production error of an angle detection chi 2 and No. two angle detection chi 4, its difference can reflect the angle detection value of jib loading boom more accurately.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the top end of the inner wall of the mounting elastic piece 3 is provided with a stabilizing protruding strip 13 having a semi-cylindrical structure, so as to improve the stability of the mounting elastic piece 3 fastened on the boom.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in the present embodiment, the mounting elastic piece 3 includes a first elastic piece 14 and a second elastic piece 15, and the first elastic piece 14 is elastically connected to the second elastic piece 15, so that the range of the two sides of the mounting elastic piece 3 is variable, and the mounting elastic piece is suitable for the crane arms with different sizes.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, a connecting rod 16 is fixed to an end surface of the second elastic sheet 15, a connecting groove 17 capable of accommodating the connecting rod 16 is formed in an end surface of the first elastic sheet 14, a limiting disc 18 is fixed to an end portion of the connecting rod 16, a limiting ring 19 is fixed to an inner wall of a port of the connecting groove 17, a return spring 20 located between the limiting disc 18 and the limiting ring 19 is sleeved on the connecting rod 16, when the first elastic sheet 3 is fastened to the boom, the first elastic sheet 14 and the second elastic sheet 15 can be always closed under the elastic force of the return spring 20, so that the stability of fastening the first elastic sheet 3 to the boom is ensured, and meanwhile, the distance between the first elastic sheet 14 and the second elastic sheet 15 is variable, and the present invention is suitable for boom with different sizes.

Specifically, according to the illustration in fig. 1, in this embodiment, the telescopic overturning arm includes a fixed connecting arm 5 and a telescopic connecting arm 6, a bottom end of the fixed connecting arm 5 is hinged to the first angle detection ruler 2, and a top end of the telescopic connecting arm 6 is hinged to the second angle detection ruler 4; the end face of the fixed connecting arm 5 is fixed with a connecting column 7, the top end of the connecting column 7 is fixed with a sliding rod 8, a sliding hole 9 for the sliding rod 8 to penetrate through is formed in the telescopic connecting arm 6, the fixed connecting arm 5 and the telescopic connecting arm 6 overturn along with the overturn of the crane boom in the detection process, meanwhile, the connecting column 7 pulls the sliding rod 8, the telescopic connecting arm 6 moves, the telescopic connecting arm 6 serves as a reference object, and the sliding rod 8 moves along the sliding hole 9 equivalently.

Specifically, as shown in fig. 1 and fig. 4, in this embodiment, the present invention further includes a guiding elastic block 22 and a telescopic spring 23, wherein an outer wall of the sliding rod 8 is provided with a movable groove 21, an inner wall of the sliding hole 9 is provided with a guiding sliding groove 24 distributed along a length direction thereof, one end of the guiding elastic block 22 is embedded in the movable groove 21, the other end of the guiding elastic block extends out of the movable groove 21 and is embedded in the guiding sliding groove 24, the telescopic spring 23 is distributed between an end surface of the guiding elastic block 22 and a bottom of the movable groove 21, during the detection process, the fixed connecting arm 5 and the telescopic connecting arm 6 are turned over along with the turning of the jib, meanwhile, the connecting post 7 pulls the sliding rod 8, the telescopic connecting arm 6 moves, the telescopic connecting arm 6 is taken as a reference, which is equivalent to the sliding rod 8 moving along the sliding hole 9, and in addition, under the elastic force of the telescopic spring 23, the extending end of the guiding elastic block 22 can always abut against the inner wall of the guiding sliding groove 24, guarantee the steady that flexible linking arm 6 removed, reduced the measuring error of a angle detection chi 2 and No. two angle detection chi 4 simultaneously.

The utility model discloses a theory of operation and use flow: when the crane boom angle detection equipment is used, the mounting bottom plate 1 is adsorbed at the position, close to the crane boom, of the roof of the crane through the first sucker 10, the positioning plate 11 is used for resisting against the rotating central shaft of the crane boom, the mounting elastic piece 3 is buckled on the crane boom, and the second sucker 12 is used for adsorbing the crane boom, so that the stable mounting of the equipment is realized;

when detecting, the jib loading boom upset, drive telescopic upset arm upset and extension, angle value is detected respectively to a angle detection chi 2 and No. two angle detection chi 4, the angle display value of No. two angle detection chi 4 is subtracted to the angle display value of No. one angle detection chi 2 is the angle detection value of jib loading boom promptly, utilize the difference can reach the angle detection value of jib loading boom, the precision is higher, because even if there is measuring error in an angle detection chi 2 and No. two angle detection chi 4, its angle simultaneous variation, and the difference is unchangeable, consequently one of them error that produces of No. one angle detection chi 2 and No. two angle detection chi 4 can not appear, the angle detection value of jib loading boom can be reflected more accurately to its difference.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a jib loading boom angle check out test set, includes mounting plate (1), its characterized in that: still including a number angle detection chi (2), two numbers angle detection chi (4) and telescopic upset arm that has the angle scale, a number angle detection chi (2) is fixed mounting plate (1) top surface, telescopic upset arm's one end with a number angle detection chi (2) is articulated, the other end with two numbers angle detection chi (4) are articulated mounting plate (11) that the tip of mounting plate (1) is articulated to have for the arc structure the bottom surface of mounting plate (1) is fixed with sucking disc (10) No. two numbers angle detection chi (4)'s top is fixed with installation flexure strip (3), just the vertical tangent plane of installation flexure strip (3) is "U" type structure installation flexure strip (3) inner wall is fixed with No. two sucking discs (12).

2. The boom angle detection apparatus of claim 1, wherein: the top end of the inner wall of the installation elastic sheet (3) is provided with a stable convex strip (13) which is in a semi-cylindrical structure.

3. The boom angle detection apparatus of claim 1, wherein: the installation elastic piece (3) comprises a first elastic piece (14) and a second elastic piece (15), and the first elastic piece (14) is elastically connected with the second elastic piece (15).

4. The boom angle detection apparatus of claim 3, wherein: the end face of the second elastic sheet (15) is fixed with a connecting rod (16), the end face of the first elastic sheet (14) is provided with a connecting groove (17) capable of containing the connecting rod (16), a limiting disc (18) is fixed at the end of the connecting rod (16), a limiting ring (19) is fixed on the inner wall of a port of the connecting groove (17), and a return spring (20) located between the limiting disc (18) and the limiting ring (19) is sleeved on the connecting rod (16).

5. The boom angle detection apparatus of claim 1, wherein: the telescopic overturning arm comprises a fixed connecting arm (5) and a telescopic connecting arm (6), the bottom end of the fixed connecting arm (5) is hinged with the first angle detection ruler (2), and the top end of the telescopic connecting arm (6) is hinged with the second angle detection ruler (4); the end face of the fixed connecting arm (5) is fixed with a connecting column (7), the top end of the connecting column (7) is fixed with a sliding rod (8), and a sliding hole (9) for the sliding rod (8) to penetrate through is formed in the telescopic connecting arm (6).

6. The boom angle detection apparatus of claim 5, wherein: still include direction bullet piece (22) and expanding spring (23) movable groove (21) have been seted up to the outer wall of slide bar (8) guide chute (24) that distribute along its length direction are seted up to the inner wall of slide opening (9), stretch out in the one end embedding movable groove (21), the other end of direction bullet piece (22) movable groove (21) and embedding guide chute (24), expanding spring (23) distribute in the terminal surface of direction bullet piece (22) with between the tank bottom of movable groove (21).