CN218628720U

CN218628720U - Bridge portal crane girder detection alarm device

Info

Publication number: CN218628720U
Application number: CN202223193280.1U
Authority: CN
Inventors: 张自香; 张树明; 吴永超
Original assignee: Anhui Zhongan Testing Center Co ltd
Current assignee: Anhui Zhongan Testing Center Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model belongs to the technical field of hoist safety inspection, specifically disclose a bridge portal crane girder detection alarm device, including girder, drive assembly, including the pick-up plate, the top of pick-up plate is equipped with the stock, the top fixedly connected with pointed piece of stock, determine module, including circular casing, the equal fixedly connected with spring in inside both sides of circular casing, two the equal fixedly connected with connecting rod in one side that the spring is opposite to, pointed piece is located and is sliding connection between two connecting rods, the utility model discloses, can receive temperature influence less when detecting deformation, through being provided with determine module, the pick-up plate drives pointed piece downstream while moving downwards, and then makes displacement sensor detect the distance between the connecting rod and change, sends out the alarm sound, reminds the staff, and this determine module receives environmental impact less, can also prevent the misstatement when detecting deformation comparatively accurate.

Description

Bridge portal crane girder detection alarm device

Technical Field

The application relates to the technical field of crane safety detection, more specifically to a bridge-gate crane girder detection alarm device.

Background

With the rapid development of economy, the portal crane is widely applied to production activities such as lifting, transportation, loading and unloading of various materials, and is indispensable equipment for modern industrial production, but because of large using capacity and the like, faults caused by deformation of a main beam of the crane are increased increasingly along with long-term use and operation, normal production activities are influenced, serious production accidents are caused in severe cases, and life safety of people is threatened, so that the crane needs to be inspected regularly.

For example, in a bridge-gate crane main beam detection alarm device with patent publication number CN211477467U, when the main beam works through a resistance strain gauge connected with the main beam into a whole, the main beam is pressed by lifting gravity force to deform downwards, the deformation is divided by a central line in the height direction of the main beam, the resistance value of the upper detection resistance strain gauge is reduced when the upper detection resistance strain gauge is deformed by compression, and the resistance value of the lower detection resistance strain gauge is increased when the lower detection resistance strain gauge is deformed by tension; the resistance value reflects the stress and deformation of the main beam in real time, and real-time detection and protection of the main beam are realized.

This patent has reflected the size of girder atress and deformation in real time through the resistance change, but the resistance temperature coefficient of resistance foil gage is big, and the sensitive coefficient produces the change that is showing along with the temperature, and when the change of external temperature is great, the resistance receives the temperature influence great, and the resistance receives temperature variation little or nothing change, can not in time send the early warning, and the resistance receives the temperature variation when big, probably has the condition emergence of wrong report.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a bridge door type crane girder detection alarm device.

The application provides a pair of bridge portal crane girder detection alarm device adopts following technical scheme:

a bridge-door crane girder detection alarm device comprises a girder;

the driving assembly comprises a detection plate, the top of the detection plate is provided with a long rod, and the top of the long rod is fixedly connected with a pointed block;

the detection assembly comprises a circular shell, wherein springs are fixedly connected to two sides of the inside of the circular shell, connecting rods are fixedly connected to one sides of the springs in opposite directions, the pointed blocks are located between the two connecting rods and are in sliding connection, and a displacement sensor is arranged on one side of the inside of the circular shell.

Further, the top both ends of girder all are equipped with the track, every equal sliding connection in orbital top both ends has a slider, every the equal support column of top fixed connection of slider, every the board is placed to the top fixedly connected with of support column, every two the slider opposite side all is equipped with the fixed plate, every the bottom of fixed plate is equipped with the removal subassembly.

Further, the removal subassembly includes the fixed plate, every the quantity of fixed plate sets up to two, every the bottom fixedly connected with connecting plate of fixed plate, the quantity of connecting plate sets up to two sets of, every group the quantity of connecting plate sets up to two, one of them of every group one side of connecting plate all is equipped with the motor, every group all rotates between the connecting plate and is connected with the bull stick, every the one end of bull stick respectively with the output fixed connection who corresponds the motor, every the equal fixedly connected with of both ends outer wall of bull stick removes the wheel.

Through above-mentioned technical scheme, remove the subassembly and can be convenient for carry out comprehensive real-time supervision to the deformation of girder.

Further, the circular shell is located the top of placing the board, the one end of stock runs through and places board and circular shell and be sliding connection.

Furthermore, two fixing bolts are arranged inside the long rod, and the detection plate is connected with the long rod through the two fixing bolts.

Through above-mentioned technical scheme, fixing bolt can change the pick-up plate conveniently.

Furthermore, an alarm is arranged at one end of the placing plate, the detecting plate is tightly attached to the upper side of the main beam, and the detecting plate is made of wear-resistant ceramic materials.

Through above-mentioned technical scheme, wear-resisting ceramic material can avoid the top of pick-up plate and girder to contact for a long time and produce wearing and tearing and cause and detect unsafe phenomenon and take place.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) The utility model discloses receive the temperature influence less when detecting girder deformation, through being provided with the determine module, the pick-up plate drives sharp shape piece and moves down when moving down, and then makes displacement sensor detect the distance between the connecting rod and change, sends alarm sound, reminds the staff, and this determine module receives environmental influence less, can also prevent the false positive when detecting deformation comparatively accurately;

(2) The utility model discloses can be convenient for carry out comprehensive real-time supervision to the deformation of girder, through being provided with the removal subassembly, two motors drive the bull stick and rotate, and the bull stick rotates and drives and remove the wheel rotation, and then drives two sets of sliders and slides on the track, realize the purpose that detection device moved the detection deformation degree on the girder;

(3) The utility model discloses can change the pick-up plate conveniently, through being provided with fixing bolt, when needing to be changed, change through dismantling fixing bolt, through the setting of alarm, when detection device detects deformation on the girder, the controller starts the alarm and reports to the police, reachs the purpose of reminding the staff, through the setting that the pick-up plate was made by wear-resisting ceramic material, wear-resisting ceramic wear resistance is fabulous, the top of avoiding pick-up plate and girder contacts for a long time and produces wearing and tearing and cause and detect unsafe phenomenon and take place.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a main beam detection alarm device of a portal crane;

FIG. 2 is a schematic view of the rail and slider connection structure of the present application;

FIG. 3 is a schematic view of a connection structure of a main beam and a detection plate according to the present application;

FIG. 4 is a schematic view of the overall structure of the inspection assembly of the present application;

fig. 5 is an enlarged view of the structure at a in fig. 4 of the present application.

The reference numbers in the figures illustrate:

1. a main beam; 2. a track; 3. a slider; 4. a support pillar; 5. placing the plate; 6. a motor; 7. a connecting plate; 8. a moving wheel; 9. a rotating rod; 10. a fixing plate; 11. detecting a plate; 12. fixing the bolt; 13. a long rod; 14. a circular housing; 15. a connecting rod; 16. a spring; 17. a displacement sensor; 18. an alarm; 19. a pointed block.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

referring to fig. 1-5, a bridge-gate crane girder detection alarm device includes a girder 1;

the driving assembly comprises a detection plate 11, a long rod 13 is arranged at the top of the detection plate 11, and a pointed block 19 is fixedly connected to the top of the long rod 13;

the detection assembly comprises a circular shell 14, springs 16 are fixedly connected to two sides of the inside of the circular shell 14, connecting rods 15 are fixedly connected to one opposite sides of the two springs 16, a pointed block 19 is located between the two connecting rods 15 and is in sliding connection, a displacement sensor 17 is arranged on one side of the inside of the circular shell 14, and the type of the displacement sensor 17 is KTR4-25.

The top both ends of girder 1 all are equipped with track 2, and the equal sliding connection in top both ends of every track 2 has slider 3, and the equal support column 4 of top fixed connection of every slider 3, the board 5 is placed to the top fixed connection of every support column 4, and every two slider 3 one side in opposite directions all is equipped with fixed plate 10, and the bottom of every fixed plate 10 is equipped with the removal subassembly

Referring to fig. 1-2, the moving assembly includes fixed plates 10, the number of each fixed plate 10 is set to two, the bottom fixedly connected with connecting plate 7 of each fixed plate 10, the number of connecting plates 7 is set to two, the number of each group of connecting plates 7 is set to two, one side of each group of one of the connecting plates 7 all is equipped with motor 6, all rotate between each group of connecting plates 7 and be connected with bull stick 9, the one end of each bull stick 9 respectively with the output end fixed connection who corresponds motor 6, the equal fixedly connected with of both ends outer wall of each bull stick 9 removes wheel 8.

Through the setting of removing the subassembly, be convenient for carry out comprehensive real-time supervision to the deformation of girder 1, specifically two motors 6 drive bull stick 9 and rotate, and bull stick 9 rotates and drives and remove wheel 8 and rotate, and then drives two sets of sliders 3 and slide on track 2, realize the purpose that detection device moved the detection deformation degree on girder 1.

Referring to fig. 1-4, the circular shell 14 is located on the top of the placing plate 5, one end of the long rod 13 penetrates through the placing plate 5 and the circular shell 14 to be in sliding connection, one end of the placing plate 5 is provided with an alarm 18, the detection plate 11 is tightly attached to the upper side of the main beam 1, and the detection plate 11 is made of wear-resistant ceramic materials.

Through the setting of alarm 18, when detection device detected deformation on girder 1, the controller started alarm 18 and reported to the police, reachs the purpose of reminding the staff, through the setting that detecting plate 11 was made by wear-resisting ceramic material, wear-resisting ceramic wear resistance is fabulous, avoids detecting plate 11 and girder 1's top long-term contact to produce wearing and tearing and cause the inaccurate phenomenon of detection to take place.

Referring to fig. 3-4, two fixing bolts 12 are provided inside the long rod 13, and the detection plate 11 is connected to the long rod 13 by the two fixing bolts 12.

The detection plate 11 is connected with the long rod 13 through two fixing bolts 12, and when the detection plate 11 needs to be replaced after being used for a long time, the detection plate is replaced by detaching the fixing bolts 12.

The working principle is as follows: when using, at first place a plurality of sliders 3 on track 2, then start two motors 6, make a plurality of removal wheels 8 rotate, and then drive slider 3 and slide on track 2, pick-up plate 11 hugs closely in the middle part top of girder 1 at initial time, two connecting rods 15 are located the both sides of sharp piece 19 this moment, spring 16 is in compression state, when moving the subassembly and driving detection component and moving, when moving deformation position, girder 1 is crooked to the inboard, drive sharp piece 19 and move down when making detection plate 11 move down, sharp piece 19 moves down and causes two connecting rods 15 to remove in phase, spring 16 kick-backs, displacement sensor 17 detects the distance between the connecting rod 15 this moment and changes, start alarm 18 and send out the police dispatch newspaper sound, remind the staff.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge portal crane girder detection alarm device which characterized in that includes:

a main beam (1);

the driving assembly comprises a detection plate (11), a long rod (13) is arranged at the top of the detection plate (11), and a pointed block (19) is fixedly connected to the top of the long rod (13);

detection subassembly, including circular casing (14), the equal fixedly connected with spring (16) in inside both sides of circular casing (14), two equal fixedly connected with connecting rod (15) in one side that spring (16) are in opposite directions, point shape piece (19) are located and are sliding connection between two connecting rod (15), inside one side of circular casing (14) is equipped with displacement sensor (17).

2. The bridge-gate crane girder detection alarm device according to claim 1, characterized in that: the top both ends of girder (1) all are equipped with track (2), every the equal sliding connection in top both ends of track (2) has slider (3), every the equal support column (4) of top fixed connection of slider (3), every board (5), per two are placed to the top fixedly connected with of support column (4) slider (3) one side in opposite directions all is equipped with fixed plate (10), every the bottom of fixed plate (10) is equipped with the removal subassembly.

3. The bridge portal crane girder detection alarm device according to claim 2, characterized in that: the movable assembly comprises a fixed plate (10) and each fixed plate (10) is divided into two parts and each part is fixedly connected with a connecting plate (7) at the bottom of each fixed plate (10), the number of the connecting plates (7) is divided into two groups, each group is divided into two parts and one of each group, a motor (6) is arranged on one side of each connecting plate (7), each group is connected with a rotating rod (9) in a rotating mode between the connecting plates (7), each group is connected with one end of each rotating rod (9) and an output end of each corresponding motor (6) in a fixed mode, and each end outer wall of each rotating rod (9) is fixedly connected with a movable wheel (8).

4. The bridge portal crane girder detection alarm device according to claim 1, characterized in that: the round shell (14) is located at the top of the placing plate (5), and one end of the long rod (13) penetrates through the placing plate (5) and the round shell (14) to be in sliding connection.

5. The bridge portal crane girder detection alarm device according to claim 1, characterized in that: two fixing bolts (12) are arranged inside the long rod (13), and the detection plate (11) is connected with the long rod (13) through the two fixing bolts (12).

6. The bridge portal crane girder detection alarm device of claim 4, wherein: an alarm (18) is arranged at one end of the placing plate (5), the detecting plate (11) is tightly attached to the upper side of the main beam (1), and the detecting plate (11) is made of wear-resistant ceramic materials.