CN215048138U

CN215048138U - Automatic protection device for electrical fault of general bridge crane

Info

Publication number: CN215048138U
Application number: CN202122710692.7U
Authority: CN
Inventors: 黄河; 程志刚; 井志胜
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2021-12-07
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an automatic safety device of general bridge crane electrical fault relates to hoist technical field. The device comprises a device shell, be provided with electrical equipment in the device shell, the last connecting hole of having seted up of electrical equipment, it has the connector to peg graft in the connecting hole, one side that electrical equipment was kept away from to the connector is fixed with the connecting seat, the last control mechanism that is provided with of electrical equipment, control mechanism is including a sealed section of thick bamboo, sliding connection has the piston piece in a sealed section of thick bamboo. This general bridge crane electrical fault's automatic safety device, when electrical equipment is unusual overheated, can make the carbon dioxide gas in the sealed cylinder be heated the inflation, through the cooperation of piston piece, piston rod, extrusion piece, drive mechanism, second spring, supporting shoe, push pedal, connecting rod, make the push pedal extract the connector from the connecting hole, and then cut off the power supply to electrical equipment, prevent that electrical equipment is unusual overheated, cause electrical equipment to damage.

Description

Automatic protection device for electrical fault of general bridge crane

Technical Field

The utility model relates to a hoist technical field specifically is an automatic safety device of general bridge crane electrical fault.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The conventional bridge crane may have the phenomenon that electrical equipment is abnormally overheated in long-term operation, and if the electrical equipment is not powered off, the electrical equipment and electric wires may be damaged, so that great economic loss is caused. In view of the above, we propose an automatic protection device for electrical faults of a general bridge crane.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a general bridge crane electrical fault's automatic safety device has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an automatic protection device of general bridge crane electrical fault, includes the device shell, be provided with electrical equipment in the device shell, the last connecting hole of having seted up of electrical equipment, it has the connector to peg graft in the connecting hole, one side that electrical equipment was kept away from to the connector is fixed with the connecting seat, the last control mechanism that is provided with of electrical equipment, control mechanism includes a sealed section of thick bamboo, sliding connection has the piston piece in the sealed section of thick bamboo, the inner wall left side of device shell is fixed with the backup pad, be provided with drive mechanism in the device shell, drive mechanism includes the ejector pad, the top slidable mounting of ejector pad is in the bottom of backup pad, the backup pad is fixed on the inner wall of device shell.

Preferably, a piston rod is fixed on one side of the piston block close to the connecting seat, and an extrusion block is fixed on one end of the piston rod far away from the piston block.

Preferably, one side of the push block, which is far away from the sealing barrel, is hinged with a transmission rod, one end of the transmission rod, which is far away from the push block, is hinged with a fixed block, and the top of the fixed block is fixed at the bottom of the sliding block.

Preferably, a limiting groove is formed in the sliding block, a first spring is fixed to the top of the sliding block, and the top of the first spring is fixed to the inner wall of the device shell.

Preferably, the bottom of the inner wall of the device shell is provided with a supporting block in a sliding mode, the top of the supporting block is fixedly provided with a push plate, and the top of the push plate is fixedly provided with a connecting rod.

Preferably, a push rod is fixed on one side of the connecting rod, which is far away from the electrical equipment, and a push handle is fixed on one end of the push rod, which is far away from the connecting rod.

Preferably, a second spring is fixed on one side of the supporting block, which is far away from the electrical equipment, and one side of the second spring, which is far away from the supporting block, is fixed on the inner wall of the device shell.

(III) advantageous effects

The utility model provides an automatic protection device of general bridge crane electrical fault. The method has the following beneficial effects:

(1) this general bridge crane electrical fault's automatic safety device, when electrical equipment is unusual overheated, can make the carbon dioxide gas in the sealed cylinder be heated the inflation, through the cooperation of piston piece, piston rod, extrusion piece, drive mechanism, second spring, supporting shoe, push pedal, connecting rod, make the push pedal extract the connector from the connecting hole, and then cut off the power supply to electrical equipment, prevent that electrical equipment is unusual overheated, cause electrical equipment to damage.

(2) This general bridge crane electrical fault's automatic safety device when electrical equipment resumes normal condition, makes the temperature in the device shell scatter, because of the carbon dioxide gas expend with heat and contract with cold principle in the sealed section of thick bamboo, makes the piston rod drive the extrusion piece and keeps away from the ejector pad, promotes and pushes away the handle, through the cooperation of push rod, connecting rod, stop gear, spacing groove, makes the connecting rod card advance in the spacing groove, makes the push pedal get back to the normal position, carries out next operation, makes things convenient for the staff operation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure B of fig. 1 according to the present invention.

In the figure: 1. a device housing; 2. an electrical device; 3. connecting holes; 4. a connector; 5. a connecting seat; 6. a control mechanism; 61. a sealing cylinder; 62. a piston block; 63. a piston rod; 64. extruding the block; 7. a support plate; 8. a transmission mechanism; 81. a push block; 82. a transmission rod; 83. a fixed block; 84. a slider; 85. a first spring; 9. a limiting groove; 10. a connecting rod; 11. pushing the plate; 12. a support block; 13. a second spring; 14. a push rod; 15. a pushing handle.

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. 1-3, the present invention provides a technical solution: the utility model provides an automatic protection device of general bridge crane electrical fault, includes device shell 1, is provided with electrical equipment 2 in the device shell 1, has seted up connecting hole 3 on the electrical equipment 2, and it has connector 4 to peg graft in the connecting hole 3, and one side that electrical equipment 2 was kept away from to connector 4 is fixed with connecting seat 5, is provided with control mechanism 6 on the electrical equipment 2, and control mechanism 6 is filled with carbon dioxide gas including sealed 61 in the sealed 61. A piston block 62 is connected in the sealing cylinder 61 in a sliding mode, a transmission mechanism 8 is arranged in the device shell 1, a piston rod 63 is fixed on one side, close to the connecting seat 5, of the piston block 62, the piston rod 63 penetrates through the sealing cylinder 61, and an extrusion block 64 is fixed on one end, far away from the piston block 62, of the piston rod 63, so that when the electrical equipment 2 is abnormally overheated, carbon dioxide gas in the sealing cylinder 61 is heated and expanded, the piston block 62 drives the piston rod 63 to move rightwards, and the extrusion block 64 moves rightwards.

The transmission mechanism 8 comprises a push block 81, the top of the push block 81 is slidably mounted at the bottom of the support plate 7, the support plate 7 is fixed on the inner wall of the device shell 1, a transmission rod 82 is hinged to one side, away from the sealing barrel 61, of the push block 81, a fixed block 83 is hinged to one end, away from the push block 81, of the transmission rod 82, the top of the fixed block 83 is fixed at the bottom of the sliding block 84, the sliding block 84 is slidably mounted on the inner wall of the device shell 1, when the extrusion block 64 moves rightwards, when the extrusion block 64 moves to a specified position, the extrusion block 64 can extrude the push block 81, and the fixed block 83 and the sliding block 84 move upwards through the transmission rod 82. The slider 84 is provided with a limiting groove 9, the top of the slider 84 is fixed with a first spring 85, the top of the first spring 85 is fixed on the inner wall of the device shell 1, the inner wall of the device shell 1 is slidably provided with a supporting block 12, the top of the supporting block 12 is fixed with a push plate 11, the top of the push plate 11 is fixed with a connecting rod 10, one side of the connecting rod 10 away from the electrical equipment 2 is fixed with a push rod 14, one end of the push rod 14 away from the connecting rod 10 is fixed with a push handle 15, one side of the supporting block 12 away from the electrical equipment 2 is fixed with a second spring 13, one side of the second spring 13 away from the supporting block 12 is fixed on the inner wall of the device shell 1, when the slider 84 moves upwards, the connecting rod 10 leaves the limiting groove 9, because the second spring 13 is in a stretching state, the supporting block 12 drives the push plate 11 to move, the push plate 11 pushes the connecting seat 5 to move, so that the connecting seat 4 is pulled out from the connecting hole 3 of the electrical equipment 2, the power of the electrical equipment 2 is cut off, and the electrical equipment 2 is prevented from being damaged due to continuous abnormal overheating of the electrical equipment 2.

When the device is in operation (or in use), when the electrical equipment 2 is abnormally overheated, carbon dioxide gas in the sealing cylinder 61 expands, the piston block 62 moves rightwards, the piston rod 63 is driven to move rightwards, the extrusion block 64 is in contact with the push block 81, the extrusion block 64 extrudes the push block 81 to move rightwards, the fixed block 83 and the slide block 84 move upwards through the transmission rod 82, the connecting rod 10 is further separated from the limiting groove 9, the second spring 13 is in a stretching state, the second spring 13 drives the support block 12 to be away from the electrical equipment 2, the support block 12 drives the push plate 11 to move, the push plate 11 drives the connecting seat 5 to move, the connecting head 4 is pulled out from the connecting hole 3 of the electrical equipment 2, the electrical equipment 2 is powered off, the electrical equipment 2 is prevented from being damaged due to continuous abnormal overheating, when the electrical equipment 2 is restored to a normal state, the temperature in the device shell 1 is dissipated, because of the carbon dioxide gas expend with heat and contract with cold principle in the sealed cylinder 61, make the piston rod 63 drive the extrusion piece 64 and keep away from ejector pad 81, push away handle 15 through promoting, make push rod 14 promote connecting rod 10 and be close to electrical equipment 2, make connecting rod 10 drive push pedal 11 and supporting shoe 12 remove, make second spring 13 tensile, when connecting rod 10 removed the assigned position, make the top of connecting rod 10 align with spacing groove 9, be in compression state because of first spring 85, make slider 84 remove downwards, make spacing groove 9 and connecting rod 10 laminate, spacing connecting rod 10 carries out, make push pedal 11 resume the normal position, carry out next work, make things convenient for staff's operation.

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

Claims

1. The utility model provides an automatic safety device of general bridge crane electrical fault, includes device shell (1), its characterized in that: an electrical device (2) is arranged in the device shell (1), a connecting hole (3) is arranged on the electrical device (2), a connector (4) is inserted in the connecting hole (3), a connecting seat (5) is fixed on one side of the connector (4) far away from the electrical equipment (2), the electrical equipment (2) is provided with a control mechanism (6), the control mechanism (6) comprises a sealing cylinder (61), a piston block (62) is connected in the sealing cylinder (61) in a sliding way, a supporting plate (7) is fixed on the left side of the inner wall of the device shell (1), a transmission mechanism (8) is arranged in the device shell (1), the transmission mechanism (8) comprises a push block (81), the top of the push block (81) is slidably mounted at the bottom of the support plate (7), and the support plate (7) is fixed on the inner wall of the device shell (1).

2. The automatic protection device for the electrical fault of the general bridge crane according to claim 1, wherein: a piston rod (63) is fixed on one side, close to the connecting seat (5), of the piston block (62), and an extrusion block (64) is fixed at one end, far away from the piston block (62), of the piston rod (63).

3. The automatic protection device for the electrical fault of the general bridge crane according to claim 1, wherein: one side of the push block (81) far away from the sealing barrel (61) is hinged with a transmission rod (82), one end of the transmission rod (82) far away from the push block (81) is hinged with a fixed block (83), and the top of the fixed block (83) is fixed at the bottom of the sliding block (84).

4. The automatic protection device for the electrical fault of the general bridge crane according to claim 3, wherein: the limiting groove (9) is formed in the sliding block (84), a first spring (85) is fixed to the top of the sliding block (84), and the top of the first spring (85) is fixed to the inner wall of the device shell (1).

5. The automatic protection device for the electrical fault of the general bridge crane according to claim 1, wherein: the device is characterized in that a supporting block (12) is slidably mounted at the bottom of the inner wall of the device shell (1), a pushing plate (11) is fixed at the top of the supporting block (12), and a connecting rod (10) is fixed at the top of the pushing plate (11).

6. The automatic protection device for the electrical fault of the universal bridge crane according to claim 5, wherein: a push rod (14) is fixed on one side, far away from the electrical equipment (2), of the connecting rod (10), and a push handle (15) is fixed on one end, far away from the connecting rod (10), of the push rod (14).

7. The automatic protection device for the electrical fault of the universal bridge crane according to claim 5, wherein: and a second spring (13) is fixed on one side of the supporting block (12) far away from the electrical equipment (2), and one side of the second spring (13) far away from the supporting block (12) is fixed on the inner wall of the device shell (1).