CN210558932U - Overhead traveling crane hoisting device - Google Patents
Overhead traveling crane hoisting device Download PDFInfo
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- CN210558932U CN210558932U CN201921206245.4U CN201921206245U CN210558932U CN 210558932 U CN210558932 U CN 210558932U CN 201921206245 U CN201921206245 U CN 201921206245U CN 210558932 U CN210558932 U CN 210558932U
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- steel wire
- arc
- wire rope
- balance arm
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Abstract
The utility model provides a hoisting device of a crown block, belonging to the technical field of material hoisting, comprising a support frame, a roller, a steel wire rope, a balance arm, a hook head and a driving motor; the roller is rotatably connected to the top end of the supporting frame; the steel wire rope is wound on the side wall of the roller, and the balance arm is hinged to the top end of the support frame; the hook head is arranged below the support frame, pulleys are fixedly connected to two sides of the hook head, and the steel wire rope is detachably connected with the end part of the balance arm after bypassing the pulleys; the driving motor drives the roller to rotate; the overhead traveling crane hoisting device provided by the utility model drives the hook head to vertically move through the two sections of steel wire ropes, and connects the two sections of steel wire ropes through the balance arm, on one hand, the overhead traveling crane hoisting device can ensure that the hook head provides tension for the two sections of steel wire ropes simultaneously when vertically moving; on the other hand, after a certain section of steel wire rope is broken, the steel wire rope which is not broken continues to provide pulling force for the hook head, the hook head is prevented from falling, and potential safety hazards are reduced.
Description
Technical Field
The utility model belongs to the technical field of the material promotes, more specifically say, relate to a crown block hoist device.
Background
The bridge crane is a bridge crane running on overhead rails, also called a crown block, the bridge of the bridge crane runs longitudinally along the rails laid on the overhead rails on two sides, and the crane trolley runs transversely along the rails laid on the bridge to form a rectangular working range, so that materials can be lifted by utilizing the space below the bridge without being hindered by ground equipment.
The traditional lifting device is characterized in that a hook head is hoisted by a steel wire rope, and after the steel wire rope is broken, the hook head and hoisted materials of the hook head can fall to the ground, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crown block hoist device aims at solving wire rope fracture back, technical problem that gib head and the material of hoist and mount dropped.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a crown block hoisting device, including:
a support frame;
the roller is rotatably connected to the top end of the supporting frame;
the steel wire rope is wound on the roller, one end of the steel wire rope is fixedly connected with the roller, the steel wire rope is divided into two sections, and the two sections of steel wire ropes have the same rotating direction;
the balance arm is hinged to the top end of the support frame, and the hinged point is the middle part of the balance arm;
the hook head is arranged below the support frame, pulleys are fixedly connected to two sides of the hook head, the other end of the steel wire rope is detachably connected with the end part of the balance arm after bypassing the pulleys, and a through hole for the steel wire rope to pass through is formed in the support frame;
and the driving motor is used for driving the roller to rotate.
Furthermore, the top end of the support frame is fixedly connected with a supporting block, the middle part of the balance arm is fixedly connected with a balance shaft hinged with the supporting block, and the supporting block is provided with a rotation stopping mechanism for limiting the rotation of the balance arm.
Further, the rotation stopping mechanism includes:
the gear is fixedly connected to one end, penetrating out of the supporting block, of the balance shaft;
the rotation stopping block is connected to the supporting block in a sliding mode, a sliding groove is formed in the supporting block, and teeth which are inserted into the gears are arranged on the rotation stopping block;
the arc-shaped block is detachably connected to the balance arm, an inclined plane is arranged on one side, close to the rotation stopping block, of the arc-shaped block, the inclined plane is symmetrically arranged relative to the middle of the arc-shaped block, the width of the arc-shaped block is gradually increased from the middle to two sides, and the middle of the arc-shaped block is aligned with the sliding groove;
and one end of the ejector rod is fixedly connected with the rotation stopping block, and the other end of the ejector rod is abutted against the middle of the inclined plane.
Furthermore, a first spring is sleeved on the ejector rod, one end of the first spring is fixedly connected with the ejector rod, and the other end of the first spring is fixedly connected with the supporting block.
Furthermore, a plurality of jack holes are formed in the top end of the balance arm, and the arc-shaped block is connected with a fixing column fixedly connected with the jack holes in an inserting mode in a sliding mode.
Furthermore, a connecting groove is formed in the balance arm, a sliding block connected with the connecting groove in a sliding mode is fixedly connected to the arc-shaped block, and the inserting holes are formed in the plurality of inserting holes in the length direction of the connecting groove.
Furthermore, two ends of the balance arm are hinged with connecting blocks, a first conical hole is formed in the top end of each connecting block, a conical block is inserted into the first conical hole, a second conical hole is formed in the conical block, and at least two arc-shaped clamping pieces are inserted into the second conical hole; the smaller diameter of the second conical hole is the same as the diameter of the steel wire rope, and the two arc-shaped clamping pieces clamp the steel wire rope oppositely.
Furthermore, a pressing plate is arranged at the top end of the conical block and connected with the conical block through a bolt; the clamp plate with the top butt of arc clamping piece, set up on the clamp plate and supply the hole of dodging that wire rope passed through.
Further, the top rigid coupling of arc clamping piece has the butt plate, the butt plate with the clamp plate butt.
Furthermore, the opposite clamping ends of the arc-shaped clamping pieces are provided with anti-skid grains.
The utility model provides a pair of overhead traveling crane hoist device's beneficial effect lies in: compared with the prior art, the crown block hoisting device of the utility model drives the hook head to move vertically through the two sections of steel wire ropes, and connects the two sections of steel wire ropes through the balance arm, on one hand, the hook head can be ensured to provide tension for the two sections of steel wire ropes simultaneously when moving vertically; on the other hand, after a certain section of steel wire rope is broken, the steel wire rope which is not broken continues to provide pulling force for the hook head, the hook head is prevented from falling, and potential safety hazards are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overhead traveling crane hoisting device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a crown block hoisting device embodying a balance arm provided in an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view of a crown block hoisting device embodying a connecting block according to an embodiment of the present invention;
fig. 5 is a schematic view of a crown block hoisting device provided in an embodiment of the present invention showing a tapered block;
fig. 6 is a schematic diagram of a using state of the overhead traveling crane hoisting device provided by the embodiment of the present invention.
In the figure: 1. a support frame; 11. a support block; 111. a chute; 2. a drum; 3. a wire rope; 4. a balance arm; 41. a balance shaft; 42. connecting grooves; 5. a hook head; 51. a housing; 6. a drive motor; 7. a rotation stopping mechanism; 71. a gear; 72. a rotation stopping block; 73. an arc-shaped block; 731. a bevel; 732. fixing a column; 733. a slider; 74. a top rod; 741. a first spring; 8. connecting blocks; 81. a first tapered bore; 9. a conical block; 91. a second tapered bore; 92. an arc-shaped clamping piece; 921. a butt joint plate; 93. pressing a plate; 931. avoiding the hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 6, a crane hoisting device according to the present invention will now be described. A crown block hoisting device comprises a support frame 1, a roller 2, a steel wire rope 3, a balance arm 4, a hook head 5 and a driving motor 6; the roller 2 is rotatably connected to the top end of the support frame 1; the steel wire rope 3 is wound on the roller 2, one end of the steel wire rope 3 is fixedly connected with the roller 2, the steel wire rope 3 is divided into two sections, and the rotating directions of the two sections of the steel wire rope 3 are the same; the balance arm 4 is hinged at the top end of the support frame 1, and the hinged point is the middle part of the balance arm 4; the hook head 5 is arranged below the support frame 1, pulleys are fixedly connected to two sides of the hook head 5, the other end of the steel wire rope 3 is detachably connected with the end part of the balance arm 4 after bypassing the pulleys, and a through hole for the steel wire rope 3 to pass through is formed in the support frame 1; the driving motor 6 is used for driving the drum 2 to rotate.
Compared with the prior art, the crown block hoisting device provided by the utility model drives the hook head 5 to move vertically through the two steel wire ropes 3, and connects the two steel wire ropes 3 through the balance arm 4, on one hand, the hook head 5 can be ensured to provide tension for the two steel wire ropes 3 simultaneously when moving vertically; on the other hand, after a certain section of steel wire rope 3 is broken, the steel wire rope 3 which is not broken continues to provide pulling force for the hook head 5, the hook head 5 is prevented from falling, and potential safety hazards are reduced.
The pulleys on the two sides of the hook head 5 are fixedly connected with a shell 51, and the top end of the shell 51 is provided with a connecting hole for the steel wire rope 3 to penetrate in and out.
As a specific embodiment of the overhead traveling crane hoisting device provided by the present invention, please refer to fig. 1 to 3, a supporting block 11 is fixedly connected to the top end of the supporting frame 1, a balance shaft 41 hinged to the supporting block 11 is fixedly connected to the middle of the balance arm 4, and a rotation stopping mechanism 7 for limiting the rotation of the balance arm 4 is disposed on the supporting block 11; the balance arm 4 is hinged with the supporting block 11 through the balance shaft 41, and the rotation stopping mechanism 7 can limit the rotation of the balance shaft 41, so that after a certain section of the steel wire rope 3 is broken, the rotation of the balance shaft 41 generated by deflection is reduced, the balance shaft 41 is convenient to fix, the movement of the hook head 5 is convenient to reduce, and the hook head 5 is prevented from falling.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 3, the rotation stopping mechanism 7 includes a gear 71, a rotation stopping block 72, an arc block 73 and a push rod 74; the gear 71 is fixedly connected with one end of the balance shaft 41 penetrating out of the supporting block 11; the rotation stopping block 72 is connected to the supporting block 11 in a sliding mode, a sliding groove 111 is formed in the supporting block 11, and teeth meshed with the gear 71 are arranged on the rotation stopping block 72; the arc-shaped block 73 is detachably connected to the balance arm 4, an inclined surface 731 is arranged on one side, close to the rotation stopping block 72, of the arc-shaped block 73, the inclined surfaces 731 are symmetrically arranged relative to the middle of the arc-shaped block 73, the width of the arc-shaped block 73 is gradually increased from the middle to two sides, and the middle of the arc-shaped block 73 is aligned with the sliding groove 111; one end of the push rod 74 is fixedly connected with the rotation stop block 72, and the other end of the push rod is abutted against the middle part of the inclined surface 731; after the teeth on the rotation stop block 72 are meshed with the gear 71, a part of the rotation stop block 72 is positioned in the sliding groove 111, so that the rotation of the gear 71 is limited; after a certain section of steel wire rope 3 is broken, the balance arm 4 rotates due to deflection, so that the inclined surface 731 on the arc-shaped block 73 extrudes the ejector rod 74 to slide in the sliding groove 111, the rotation stopping block 72 is driven to slide in the sliding groove 111, teeth on the rotation stopping block 72 are meshed with the gear 71, the gear 71 stops rotating, the balance arm 4 stops rotating, and the rotation of the balance arm 4 is reduced conveniently.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 2 and fig. 3, a first spring 741 is sleeved on the top rod 74, one end of the first spring 741 is fixedly connected to the top rod 74, and the other end is fixedly connected to the supporting block 11; the first spring 741 on the push rod 74 provides elastic force to the push rod 74, so as to facilitate the push rod 74 to abut against the inclined surface 731 on the arc-shaped block 73, so as to facilitate the inclined surface 731 to drive the push rod 74 to move, thereby facilitating the reduction of the rotation of the balance arm 4, so as to facilitate the pulling of the hook head 5, thereby preventing the hook head 5 from falling.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 3, a plurality of insertion holes are formed at the top end of the balance arm 4, and a fixing column 732 fixed to the insertion holes is slidably connected to the arc-shaped block 73; the fixed column 732 is inserted into the balance arm 4, so that the arc-shaped block 73 is conveniently fixed on the balance arm 4, after a certain section of the steel wire rope 3 is broken, the inclined surface 731 on the arc-shaped block 73 can extrude the ejector rod 74, so that teeth on the rotation stopping block 72 are conveniently meshed with the gear 71, the rotation of the balance arm 4 is conveniently limited, the hook head 5 is conveniently pulled by the unbroken steel wire rope 3, and the hook head 5 is prevented from falling; after the arc block 73 on the balance arm 4 is separated from the original position, the rotation stopping block 72 is slid, so that the rotation stopping block 72 is separated from the gear 71, the balance arm 4 is in a reset state, and the arc block 73 is placed at the original position, so that subsequent use is facilitated.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 3, the top end of the balance arm 4 is provided with a connecting groove 42, the arc-shaped block 73 is fixedly connected with a sliding block 733 slidably connected to the connecting groove 42, and a plurality of inserting holes are arranged along the length direction of the connecting groove 42; the arc-shaped block 73 is slidably connected with the connecting groove 42 through the sliding block 733, so that the arc-shaped block 73 is far away from the working position, the rotation stopping block 72 is convenient to reset, and subsequent use is convenient.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and 5, two ends of the balance arm 4 are hinged to the connection blocks 8, a first tapered hole 81 is formed at the top end of the connection block 8, a tapered block 9 is inserted into the first tapered hole 81, a second tapered hole 91 is formed in the tapered block 9, and at least two arc-shaped clamping pieces 92 are inserted into the second tapered hole 91; the smaller diameter of the second conical hole 91 is the same as the diameter of the steel wire rope 3, and the two arc-shaped clamping pieces 92 clamp the steel wire rope 3 oppositely; the steel wire rope 3 passes through the first conical hole 81 and passes through the second conical hole 91 on the conical block 9, the arc-shaped clamping piece 92 is placed in the second conical hole 91, and the arc-shaped clamping piece 92 clamps the steel wire rope 3, so that the steel wire rope 3 can be conveniently fixed on the conical block 9, and the steel wire rope 3 can be conveniently fixed at the end part of the balance arm 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and 5, a pressing plate 93 is disposed at the top end of the conical block 9, and the pressing plate 93 is connected to the conical block 9 through a bolt; the pressing plate 93 is abutted against the top end of the arc-shaped clamping piece 92, and an avoidance hole 931 for the steel wire rope 3 to pass through is formed in the pressing plate 93; the clamp plate 93 is connected with the conical block 9 through the bolt, so that the clamp plate 93 provides pressure for the arc-shaped clamping piece 92, one side of the arc-shaped clamping piece 92 is convenient to abut against the steel wire rope 3, the other side of the arc-shaped clamping piece is convenient to abut against the second conical hole 91, the steel wire rope 3 is convenient to clamp, the steel wire rope 3 is convenient to be fixed on the conical block 9, and the steel wire rope 3 is convenient to be fixed at the end part of the balance arm 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and 5, a butt plate 921 is fixedly connected to the top end of the arc-shaped clamping piece 92, and the butt plate 921 abuts against the pressing plate 93; arc clamping piece 92 passes through butt plate 921 and clamp plate 93 butt to be convenient for increase the area of contact of arc clamping piece 92 and clamp plate 93, thereby be convenient for clamp plate 93 extrudees arc clamping piece 92, thereby be convenient for arc clamping piece 92 carries out the centre gripping to wire rope 3, thereby be convenient for fix wire rope 3 at the tip of balance arm 4.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4 and fig. 5, the clamping ends of the arc-shaped clamping pieces 92 are provided with anti-slip patterns, and the anti-slip patterns arranged on the arc-shaped clamping pieces 92 can increase the friction between the arc-shaped clamping pieces 92 and the steel wire rope 3, so that the arc-shaped clamping pieces 92 can clamp the steel wire rope 3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a crane hoist device which characterized in that includes:
a support frame;
the roller is rotatably connected to the top end of the supporting frame;
the steel wire rope is wound on the roller, one end of the steel wire rope is fixedly connected with the roller, the steel wire rope is divided into two sections, and the two sections of steel wire ropes have the same rotating direction;
the balance arm is hinged to the top end of the support frame, and the hinged point is the middle part of the balance arm;
the hook head is arranged below the support frame, pulleys are fixedly connected to two sides of the hook head, the other end of the steel wire rope is detachably connected with the end part of the balance arm after bypassing the pulleys, and a through hole for the steel wire rope to pass through is formed in the support frame;
and the driving motor is used for driving the roller to rotate.
2. The overhead traveling crane hoisting device according to claim 1, wherein a supporting block is fixed to the top end of the supporting frame, a balance shaft hinged to the supporting block is fixed to the middle of the balance arm, and a rotation stopping mechanism for limiting the rotation of the balance arm is disposed on the supporting block.
3. The overhead traveling crane hoisting device according to claim 2, wherein the rotation stopping mechanism comprises:
the gear is fixedly connected to one end, penetrating out of the supporting block, of the balance shaft;
the rotation stopping block is connected to the supporting block in a sliding mode, a sliding groove is formed in the supporting block, and teeth which are inserted into the gears are arranged on the rotation stopping block;
the arc-shaped block is detachably connected to the balance arm, an inclined plane is arranged on one side, close to the rotation stopping block, of the arc-shaped block, the inclined plane is symmetrically arranged relative to the middle of the arc-shaped block, the width of the arc-shaped block is gradually increased from the middle to two sides, and the middle of the arc-shaped block is aligned with the sliding groove;
and one end of the ejector rod is fixedly connected with the rotation stopping block, and the other end of the ejector rod is abutted against the middle of the inclined plane.
4. The overhead traveling crane hoisting device according to claim 3, wherein the top bar is sleeved with a first spring, one end of the first spring is fixedly connected with the top bar, and the other end of the first spring is fixedly connected with the supporting block.
5. The overhead traveling crane hoisting device according to claim 3, wherein the top end of the balance arm is provided with a plurality of insertion holes, and the arc-shaped block is slidably connected with a fixing column inserted and fixed with the insertion holes.
6. The overhead traveling crane hoisting device according to claim 5, wherein the balance arm is provided with a connecting groove, the arc block is fixedly connected with a sliding block slidably connected with the connecting groove, and the plurality of insertion holes are arranged along the length direction of the connecting groove.
7. The overhead traveling crane hoisting device according to claim 1, wherein the two ends of the balance arm are hinged with connection blocks, the top end of each connection block is provided with a first tapered hole, a tapered block is inserted into the first tapered hole, a second tapered hole is formed in the tapered block, and at least two arc-shaped clamping pieces are inserted into the second tapered hole; the smaller diameter of the second conical hole is the same as the diameter of the steel wire rope, and the two arc-shaped clamping pieces clamp the steel wire rope oppositely.
8. The overhead traveling crane hoisting device according to claim 7, wherein a pressing plate is provided at the top end of the conical block, and the pressing plate is connected with the conical block through a bolt; the clamp plate with the top butt of arc clamping piece, set up on the clamp plate and supply the hole of dodging that wire rope passed through.
9. The overhead traveling crane hoisting device according to claim 8, wherein an abutting plate is fixed to a top end of the arc-shaped clamping piece, and the abutting plate abuts against the pressing plate.
10. The overhead traveling crane hoisting device as claimed in claim 7, wherein the arc-shaped clamping pieces are provided with anti-slip threads at opposite clamping ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206245.4U CN210558932U (en) | 2019-07-29 | 2019-07-29 | Overhead traveling crane hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921206245.4U CN210558932U (en) | 2019-07-29 | 2019-07-29 | Overhead traveling crane hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210558932U true CN210558932U (en) | 2020-05-19 |
Family
ID=70622682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921206245.4U Active CN210558932U (en) | 2019-07-29 | 2019-07-29 | Overhead traveling crane hoisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210558932U (en) |
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2019
- 2019-07-29 CN CN201921206245.4U patent/CN210558932U/en active Active
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