CN217350467U - Maintenance-free bridge crane - Google Patents

Abstract

The utility model discloses a non-maintaining bridge crane relates to hoist technical field, specifically is a non-maintaining bridge crane, including crossbeam and buffer board, the inside of crossbeam is provided with the trolley, electric block and fixed plate are installed respectively to the bottom of trolley, the circular slot has been seted up to the inside of fixed plate, the internally mounted of circular slot has the ring piece, reset spring and contact switch are installed respectively to the internal surface of ring piece, reset spring keeps away from the one end of ring piece and installs the arc ring piece. This non-maintaining bridge crane through the setting of ring piece, reset spring, contact switch, arc ring piece, ring piece and siren, makes this non-maintaining bridge crane possess the effect that improves the security performance, when the angle that lifts by crane the heavy object and rock too big, the siren sounds, conveniently reminds the staff, improves the security performance of using, has reached the purpose that improves the practicality.

Description

Maintenance-free bridge crane

Technical Field

The utility model relates to a hoist technical field specifically is a non-maintaining bridge crane.

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. A bridge crane, also called crown block, runs on an elevated track. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at the two sides, and the hoisting trolley runs transversely along the rails laid on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. Such cranes are widely used in indoor and outdoor warehouses, factories, docks, open storage yards, and the like.

The bridge crane in the prior art is too high in lifting position in the lifting process of the electric hoist, so that the electric hoist is easy to impact the top and damage, and the bridge crane in the prior art is too large in shaking amplitude of lifted objects in the lifting process, has certain potential safety hazards and is inconvenient to remind workers.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a non-maintaining bridge crane has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a maintenance-free bridge crane comprises a cross beam and a buffer plate, wherein a hoisting trolley is arranged inside the cross beam, the bottom of the trolley is respectively provided with an electric hoist and a fixed plate, the inside of the fixed plate is provided with a circular groove, a circular ring block is arranged in the circular groove, the inner surface of the circular ring block is respectively provided with a return spring and a contact switch, an arc-shaped ring block is arranged at one end of the return spring, which is far away from the ring block, the outer surface of the arc-shaped ring block is provided with the ring block, the top of the beam is provided with an alarm, the bottom of the fixed plate is respectively provided with a matching block and a positioning rod, the matching block is rotationally connected with a connecting rod through a shaft lever, one end of the connecting rod, which is far away from the matching block, is rotationally connected with a convex slide block through the shaft lever, a buffer spring is installed on one side face of the convex sliding block, and a positioning barrel is sleeved outside the positioning rod.

Optionally, a convex sliding groove is formed in the top of the buffer plate, the end of the convex sliding block is located inside the convex sliding groove, and the convex sliding block can slide along the length direction of the convex sliding groove.

Optionally, the circular ring block is sleeved outside the arc-shaped ring block, and the position of the circular ring block corresponds to the position of the contact switch.

Optionally, the number of the reset springs and the number of the contact switches are respectively a plurality, and the reset springs and the contact switches are respectively arranged in an annular array.

Optionally, the inside of electric block is provided with the lifting rope, logical groove has been seted up to the inside of buffer board, the lifting rope runs through in arc ring piece and logical groove.

Optionally, the bottom of the positioning cylinder is installed at the top of the buffer plate, a buffer cushion block is installed at the bottom of the buffer plate, and the buffer cushion block is made of rubber.

Optionally, the end beam is installed at both ends of the crossbeam, and the contact switch and the alarm are electrically connected with an external power supply through wires.

Optionally, the length and the width of the buffer plate are both greater than those of the fixing plate, and one end of the buffer spring, which is far away from the convex slider, is installed inside the convex sliding groove.

(III) advantageous effects

The utility model provides a non-maintaining bridge crane possesses following beneficial effect:

1. this non-maintaining bridge crane through the setting of ring piece, reset spring, contact switch, arc ring piece, ring piece and siren, makes this non-maintaining bridge crane possess the effect that improves the security performance, when the angle that lifts by crane the heavy object and rock too big, the siren sounds, conveniently reminds the staff, improves the security performance of using, has reached the purpose that improves the practicality.

2. This non-maintaining bridge crane, through the cooperation piece, the locating lever, the connecting rod, protruding type slider, the setting of buffer spring and a location section of thick bamboo, make this non-maintaining bridge crane possess when playing the heavy object, prevent to dash the effect on top, when the position that plays the heavy object and risees is too high, play the buffer cushion butt of heavy object and buffer board bottom, make the position rebound of buffer board, make the buffer spring atress shrink, play the effect of buffering, prevent to dash the top, avoid damaging electric block, the loss is reduced, the service life is prolonged, the purpose of the practicality is improved has been reached.

Drawings

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

fig. 2 is a schematic structural view of a front view section of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a schematic structural diagram of a side view section of the present invention;

fig. 5 is an enlarged schematic structural diagram of the present invention at B in fig. 4.

In the figure: 1. a cross beam; 2. a buffer plate; 3. a trolley; 4. an electric hoist; 5. a fixing plate; 6. A circular ring block; 7. a return spring; 8. a contact switch; 9. an arc-shaped ring block; 10. a ring block; 11. an alarm; 12. a matching block; 13. positioning a rod; 14. a connecting rod; 15. a convex slider; 16. a buffer spring; 17. a positioning cylinder; 18. lifting a lifting rope; 19. buffering cushion blocks; 20. an end beam.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a maintenance-free bridge crane comprises a cross beam 1 and a buffer plate 2, wherein a convex sliding groove is formed in the top of the buffer plate 2, the end part of a convex sliding block 15 is positioned inside the convex sliding groove, the convex sliding block 15 can slide along the length direction of the convex sliding groove, end beams 20 are respectively installed at two ends of the cross beam 1, a contact switch 8 and an alarm 11 are electrically connected with an external power supply through wires, the length and the width of the buffer plate 2 are both larger than those of a fixed plate 5, one end of a buffer spring 16 far away from the convex sliding block 15 is installed inside the convex sliding groove, a crane trolley 3 is arranged inside the cross beam 1, an electric hoist 4 and the fixed plate 5 are respectively installed at the bottom of the crane trolley 3, a lifting rope 18 is arranged inside the electric hoist 4, a through groove is formed inside the buffer plate 2, the lifting rope 18 penetrates through an arc-shaped ring block 9 and the through groove, a circular groove is formed inside the fixed plate 5, the internally mounted of circular slot has ring piece 6, ring piece 6 cup joints the outside at arc ring piece 9, the position of ring piece 10 is corresponding with contact switch 8's position, reset spring 7 and contact switch 8 are installed respectively to the internal surface of ring piece 6, reset spring 7 and contact switch 8's quantity all has a plurality of, a plurality of reset spring 7 and contact switch 8 all are annular array and arrange, reset spring 7 keeps away from the one end of ring piece 6 and installs arc ring piece 9, the surface mounting of arc ring piece 9 has ring piece 10, siren 11 is installed at the top of crossbeam 1.

During the use, electric block 4 lifts by crane the heavy object in-process through lifting rope 18, move on crossbeam 1 through trolley 3, when the range of rocking of the heavy object of lifting by crane is too big, lifting rope 18 just drives arc ring 9 removal with the 9 butt of arc ring, make reset spring 7 atress shrink, make ring 10 and contact switch 8 butt, make siren 11 report to the police and remind the staff, improve the security performance of using, arc ring 9 is the arc to the inner wall, reduce the wearing and tearing of arc ring 9 edges and corners to lifting rope 18, and service life is prolonged.

Example 2

Referring to fig. 4 to 5, the present invention provides a technical solution: the utility model provides a non-maintaining bridge crane, cooperation piece 12 and locating lever 13 are installed respectively to the bottom of fixed plate 5, cooperation piece 12 rotates through the axostylus axostyle and is connected with connecting rod 14, connecting rod 14 keeps away from the one end of cooperation piece 12 and rotates through the axostylus axostyle and is connected with protruding type slider 15, buffer spring 16 is installed to a side of protruding type slider 15, location section of thick bamboo 17 has been cup jointed to the outside of locating lever 13, the top at buffer board 2 is installed to the bottom of location section of thick bamboo 17, cushion pad 19 is installed to the bottom of buffer board 2, cushion pad 19's material is rubber.

During the use, electric block 4 lifts by crane the position that the heavy object risees through lifting rope 18 when too high, lift by crane the heavy object and buffer cushion 19 butt of buffer board 2 bottom, make the position rebound of buffer board 2, make locating lever 13 along the length direction positioning movement of location section of thick bamboo 17, the both ends of connecting rod 14 rotate with cooperation piece 12 and protruding type slider 15 respectively and be connected, make connecting rod 14 rotate in the certain limit, for protruding type slider 15 provides the component force on the horizontal direction, make protruding type slider 15 along the length direction positioning movement of protruding type spout, make buffer spring 19 atress shrink, play the effect of buffering, prevent to push against, avoid damaging electric block 4, and service life is prolonged.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (8)

1. A non-maintaining bridge crane, includes crossbeam (1) and buffer board (2), its characterized in that: the lifting trolley is characterized in that a lifting trolley (3) is arranged inside the cross beam (1), an electric hoist (4) and a fixed plate (5) are respectively installed at the bottom of the lifting trolley (3), a circular groove is formed inside the fixed plate (5), a circular ring block (6) is installed inside the circular groove, a reset spring (7) and a contact switch (8) are respectively installed on the inner surface of the circular ring block (6), an arc-shaped ring block (9) is installed at one end, away from the circular ring block (6), of the reset spring (7), an annular block (10) is installed on the outer surface of the arc-shaped ring block (9), an alarm (11) is installed at the top of the cross beam (1), a matching block (12) and a positioning rod (13) are respectively installed at the bottom of the fixed plate (5), the matching block (12) is rotatably connected with a connecting rod (14) through a shaft rod, one end, away from the matching block (12), of the connecting rod (14) is rotatably connected with a convex sliding block (15) through a shaft rod, a buffer spring (16) is installed on one side face of the convex sliding block (15), and a positioning barrel (17) is sleeved outside the positioning rod (13).

2. A maintenance-free bridge crane according to claim 1, wherein: the top of the buffer plate (2) is provided with a convex sliding groove, the end part of the convex sliding block (15) is positioned inside the convex sliding groove, and the convex sliding block (15) can slide along the length direction of the convex sliding groove.

3. A maintenance-free bridge crane according to claim 1, wherein: the circular ring block (6) is sleeved outside the arc-shaped ring block (9), and the position of the circular ring block (10) corresponds to the position of the contact switch (8).

4. A maintenance-free bridge crane according to claim 1, wherein: the number of the reset springs (7) and the number of the contact switches (8) are respectively provided with a plurality of reset springs (7) and contact switches (8) which are arranged in an annular array.

5. A maintenance-free bridge crane according to claim 1, wherein: the electric hoist is characterized in that a lifting rope (18) is arranged inside the electric hoist (4), a through groove is formed inside the buffer plate (2), and the lifting rope (18) penetrates through the arc-shaped ring block (9) and the through groove.

6. A maintenance-free bridge crane according to claim 1, wherein: the bottom of a location section of thick bamboo (17) is installed at the top of buffer board (2), cushion block (19) are installed to the bottom of buffer board (2), the material of cushion block (19) is rubber.

7. A maintenance-free bridge crane according to claim 1, wherein: end beam (20) are all installed at the both ends of crossbeam (1), contact switch (8) and siren (11) all pass through wire and external power source electric connection.

8. A maintenance-free bridge crane according to claim 1, wherein: the length and the width of the buffer plate (2) are both greater than those of the fixed plate (5), and one end, far away from the convex sliding block (15), of the buffer spring (16) is installed inside the convex sliding groove.

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