CN217025062U - Suspension crane with safety mechanism - Google Patents

Abstract

The utility model discloses a suspension crane with a safety mechanism, which comprises a cross beam, wherein mounting grooves are symmetrically and fixedly arranged at the tops of two ends of the cross beam, a double-headed lead screw is rotatably inserted in the mounting grooves, moving blocks are rotatably sleeved at the threads of the two ends of the double-headed lead screw, an end beam is movably arranged between the moving blocks, sliding rails are symmetrically and fixedly arranged at two sides of the cross beam, an electric hoist is arranged on each sliding rail in a sliding manner, the bottom of the electric hoist is connected with a hook through a rope, a protective frame is movably sleeved on the outer side of the electric hoist, the rope and the hook movably extend out of the bottom of the protective frame, and a support frame is movably arranged below the protective frame on the cross beam; the double-end lead screw, the moving block and the fixed block are utilized to facilitate the disassembly and the assembly between the end beam and the cross beam, the stress between the cross beam and the end beam can be buffered through the telescopic spring on the fixed rod, and the electric hoist can be protected and supported by the protection frame and the supporting frame.

Description

Suspension crane with safety mechanism

Technical Field

The utility model relates to the technical field of crane equipment, in particular to a suspension crane with a safety mechanism.

Background

The suspension crane is directly installed on the track of the grid structure of the roof of the existing factory building, and a crane track support does not need to be installed during use, so that the service efficiency of the area of the existing factory building is greatly improved. Therefore, the method is widely applied to the fields of aircraft maintenance hangars, aircraft manufacturers, aerospace systems, large warehouses and the like. The single-beam suspension crane is a crane for suspending and fixing a cross beam on a building walking track (I-steel), the setting position and span of the walking track can be freely set, and the single-beam suspension crane is most suitable for the positions of a production line and the like, most of cross beams are fixed on a building through end beams at two ends at present, a connecting plate is basically welded between the cross beams and the end beams, and the connecting plates are fixed through screw nuts.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a suspension crane with a safety mechanism to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a suspension crane with safety mechanism, includes the crossbeam, the fixed mounting groove that is equipped with of both ends top symmetry of crossbeam, the mounting groove internal rotation is inserted and is equipped with double lead screw, the both ends screw thread of double lead screw rotates the cover and is equipped with the movable block, the activity is equipped with the end beam between the movable block, the fixed slide rail that is equipped with of bilateral symmetry of crossbeam, it is equipped with electric block to slide on the slide rail, electric block's bottom is connected with the couple through the rope, electric block's outside activity cover is equipped with the protection frame, and the rope extends the bottom of protection frame with the couple activity, the below activity that the crossbeam is located the protection frame is equipped with the support frame.

As a preferred technical scheme of the present invention, a fixed groove is fixedly provided at the top of the moving block, fixed blocks used in cooperation with the fixed groove are symmetrically and fixedly provided at the bottom ends of both sides of the end beam, a fixed rod is vertically and movably inserted into the fixed groove, the fixed block is provided with an insertion hole used in cooperation with the fixed rod, and an expansion spring is movably sleeved at one end of the fixed rod located at the top of the fixed block.

As a preferred technical scheme of the utility model, a plurality of rollers are symmetrically and fixedly arranged at two ends of the bottom of the protective frame, and roller grooves matched with the rollers are arranged at the top of the cross rod of the support frame.

As a preferable technical scheme of the utility model, two ends of the support frame are fixedly connected with two sides of the cross beam through screws.

As a preferred technical scheme of the present invention, a threaded ring is fixedly disposed at the bottom end of the fixing rod, and a threaded hole used in cooperation with the threaded ring is disposed at the top of the fixing groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. utilize double-end lead screw to make the movable block draw close each other, make the fixed block joint on the end beam in the fixed slot on the movable block to make things convenient for the dismouting between end beam and the crossbeam, and can cushion the atress between crossbeam and the end beam through the expanding spring on the dead lever.

2. Can protect electric block through the protective frame, avoid the dust to lead to the fact the jam to inside rope and part in going on electric block to influence normal lift.

3. The protection frame sets up on the support frame through sliding to make the support frame play the auxiliary stay effect to electric block, in case electric block drops under the special circumstances, the support frame passes through the screw rod and is connected the dismouting that also makes things convenient for protection frame and support frame with the crossbeam.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the end beam and the cross beam according to the present invention;

FIG. 3 is a schematic view of a connection structure of a moving block and a fixed link according to the present invention;

FIG. 4 is a schematic view of a connection structure of the protection frame and the supporting frame according to the present invention.

In the figure: 1. a cross beam; 2. mounting grooves; 3. a double-end screw rod; 4. a moving block; 41. fixing grooves; 42. a fixed block; 43. a fixing rod; 431. a thread ring; 432. a threaded hole; 44. a jack; 45. a tension spring; 5. An end beam; 6. a slide rail; 7. an electric hoist; 8. a rope; 9. hooking; 10. a protective frame; 101. a roller; 102. a roller groove; 11. a support frame; 111. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a suspension crane with a safety mechanism comprises a cross beam 1, wherein mounting grooves 2 are symmetrically and fixedly arranged at the tops of two ends of the cross beam 1, a double-headed lead screw 3 is inserted in the mounting grooves 2 in a rotating manner, moving blocks 4 are sleeved on threads at two ends of the double-headed lead screw 3 in a rotating manner, the moving blocks 4 at the two ends can be moved close to and separated from each other by rotating the double-headed lead screw 3, end beams 5 are movably arranged between the moving blocks 4, the moving blocks 4 are moved close to and separated from each other so as to facilitate the disassembly and assembly between the cross beam 1 and the end beams 5, sliding rails 6 are symmetrically and fixedly arranged at two sides of the cross beam 1, an electric hoist 7 is arranged on the sliding rails 6 in a sliding manner, the bottom of the electric hoist 7 is connected with a hook 9 through a rope 8, the up and down movement of the hook 9 is realized through the rope 8, articles are hoisted by utilizing the hook 9, a protective frame 10 is movably sleeved at the outer side of the electric hoist 7, the protective frame 10 can protect the electric hoist 7 to prevent dust from accumulating in the electric hoist 7, cause the jam of rope 8 and part to the influence goes up and down, and rope 8 and the activity of couple 9 extend the bottom of protective frame 10, crossbeam 1 is located the below activity of protective frame 10 and is equipped with support frame 11, and support frame 11 can support protective frame 10, and can play the auxiliary stay effect to electric block 7, avoids electric block 7 to drop from crossbeam 1 under the special circumstances.

Fixed slot 41 that is equipped with in the top of movable block 4, the both sides bottom symmetry of end beam 5 is fixed to be equipped with the fixed block 42 that uses with the fixed slot 41 cooperation, fixed slot 41 is perpendicular movable to be inserted and is equipped with dead lever 43, be equipped with the jack 44 that uses with the dead lever 43 cooperation on the fixed block 42, the one end activity cover that the dead lever 43 is located the fixed block 42 top is equipped with expanding spring 45, end beam 5 is through inserting the fixed block 42 of both sides bottom and establish in fixed slot 41, thereby make end beam 5 fix at crossbeam 1 top, and through expanding spring 45 on the dead lever 43, when crossbeam 1 is receiving decurrent gravity, utilize expanding spring 45 can cushion the decurrent pulling force of end beam 5, thereby alleviate the gliding pressure of end beam 5, and guarantee being connected of end beam 5 and building, prevent that end beam 5 from long-time pressurized from dropping from the building, thereby cause the potential safety hazard.

The two ends of the bottom of the protection frame 10 are symmetrically and fixedly provided with a plurality of rollers 101, the top of the cross rod of the support frame 11 is provided with roller grooves 102 matched with the rollers 101, the protection frame 10 moves on the support frame 11 through the plurality of rollers 101 and the roller grooves 102, so that the protection frame 10 and the electric hoist 7 can move back and forth together, and the support frame 11 supports the protection frame 10.

Both ends of the supporting frame 11 are fixedly connected with both sides of the cross beam 1 through screws 111, and the supporting frame 11 is conveniently disassembled and assembled through the screws 111.

A thread ring 431 is fixedly provided at the bottom end of the fixing rod 43, a screw hole 432 is provided at the top of the fixing groove 41 to be used in cooperation with the thread ring 431, and the fixing rod 43 is fixed in the fixing groove 41 through the thread ring 431 at the bottom end.

The working principle is as follows: when the utility model is used, the double-headed screw rod 3 is rotated to separate the moving blocks 4 at the two ends of the double-headed screw rod 3, the end beam 5 is placed between the two moving blocks 4, the double-headed screw rod 3 is reversely rotated to mutually approach the two moving blocks 4, at the moment, the fixed rod 43 is pulled upwards to clamp the fixed blocks 42 at the two sides of the bottom end of the end beam 5 in the fixed groove 41, when the double-headed screw rod 3 cannot rotate, the fixed block 43 is completely clamped tightly, the fixed rod 43 is loosened, the fixed rod 43 is inserted in the jack 44, and the fixed rod 43 is rotated to lead the bottom end of the fixed rod 43 to be fixed in the threaded hole 432 at the bottom of the fixed groove 41, at the moment, the connection of the cross beam 1 and the end beam 5 is completed, the roller 101 at the bottom of the protective frame 10 is placed in the roller groove 102, the support frame 11 is pushed upwards to lead the protective frame 10 to be sleeved on the outer side of the electric hoist 7, and the support frame 11 is fixed at the two ends of the cross beam 1 by utilizing the screw rod 111, when the hoist is in operation, crossbeam 1 is when receiving decurrent gravity, utilize expanding spring 45 can cushion the decurrent pulling force of end beam 5, thereby alleviate the gliding pressure of end beam 5, and guarantee being connected of end beam 5 and building, prevent that end beam 5 long-time pressurized from dropping from the building, thereby cause the potential safety hazard, protective frame 10 moves about on support frame 11 through a plurality of gyro wheels 101 and gyro wheel groove 102, thereby make protective frame 10 can together the round trip movement with electric block 7, support frame 11 plays the support to protective frame 10, and play the auxiliary stay to electric block 7, prevent that electric block 7 drops under the special.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A suspension crane with safety gear, includes crossbeam (1), its characterized in that: the fixed mounting groove (2) that are equipped with of both ends top symmetry of crossbeam (1), mounting groove (2) internal rotation is inserted and is equipped with double-end lead screw (3), the both ends screw thread of double-end lead screw (3) rotates the cover and is equipped with movable block (4), the activity is equipped with end beam (5) between movable block (4), the bilateral symmetry of crossbeam (1) is fixed and is equipped with slide rail (6), it is equipped with electric block (7) to slide on slide rail (6), the bottom of electric block (7) is connected with couple (9) through rope (8), the outside activity cover of electric block (7) is equipped with protective frame (10), and rope (8) and couple (9) activity extend the bottom of protective frame (10), the below activity that crossbeam (1) are located protective frame (10) is equipped with support frame (11).

2. A suspension crane with a safety mechanism as claimed in claim 1, characterized in that: the fixed slot (41) that are equipped with in top of movable block (4), the both sides bottom symmetry of end roof beam (5) is fixed and is equipped with fixed block (42) of using with fixed slot (41) cooperation, fixed slot (41) vertical movement is inserted and is equipped with dead lever (43), be equipped with on fixed block (42) with jack (44) that dead lever (43) cooperation was used, the one end activity cover that dead lever (43) are located fixed block (42) top is equipped with expanding spring (45).

3. A suspension crane with a safety gear according to claim 1, characterized in that: a plurality of rollers (101) are symmetrically and fixedly arranged at two ends of the bottom of the protection frame (10), and roller grooves (102) matched with the rollers (101) are formed in the top of a cross rod of the support frame (11).

4. A suspension crane with a safety gear according to claim 1, characterized in that: two ends of the support frame (11) are fixedly connected with two sides of the cross beam (1) through screws (111).

5. A suspension crane with a safety gear according to claim 2, characterized in that: the bottom end of the fixing rod (43) is fixedly provided with a thread ring (431), and the top of the fixing groove (41) is provided with a threaded hole (432) matched with the thread ring (431) for use.

Images