CN210825139U - Explosion-proof single-beam crane with anti-top-collision limiting structure - Google Patents
Explosion-proof single-beam crane with anti-top-collision limiting structure Download PDFInfo
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- CN210825139U CN210825139U CN201921922119.9U CN201921922119U CN210825139U CN 210825139 U CN210825139 U CN 210825139U CN 201921922119 U CN201921922119 U CN 201921922119U CN 210825139 U CN210825139 U CN 210825139U
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Abstract
The utility model provides an explosion-proof monospar hoist with scour protection top limit structure promotes when the heavy object to a take the altitude, and limit switch's contact is touched and is carried out the scour protection top spacing, effectively improves the security of explosion-proof monospar hoist use. In addition, the upper side surface of the mounting plate is connected with the lower side surface of the single beam through at least two symmetrical buffer springs, so that a buffering effect can be achieved, and the limit switch is prevented from being damaged due to high-speed impact.
Description
Technical Field
The utility model relates to a hoisting equipment, specific theory has related to an explosion-proof single beam crane with scour protection top limit structure.
Background
The single-beam crane is used as an important hoisting and transporting machine and is widely applied to occasions such as buildings, transportation, ports, workshops and the like. The anti-top-collision limiting device is an important component of the crane, is generally fixed between a single beam and a lifting hook of the crane and is used for preventing the lifting height of the lifting hook from being limited when the crane lifts a heavy object, and preventing the lifting hook from rising too fast to collide with the single beam due to improper operation of workers or failure of a limiter so as to influence the safety of personnel or goods. The existing anti-top limit device usually adopts a heavy hammer type limit switch, the limit switch is a normally-touching limit switch, a contact is always pressed through a spring, the damage is easy to occur, and the service life is short.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to an explosion-proof monospar hoist with scour protection top limit structure is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
an explosion-proof single-beam crane with an anti-ejection limiting structure comprises a single beam, an explosion-proof electric block and a top-ejection limiting device, wherein the explosion-proof electric block is connected with the single beam in a sliding mode, the top-ejection limiting device is arranged on the anti-ejection limiting device, a steel wire rope is wound on a winding drum of the explosion-proof electric block, the fixed end of the steel wire rope is fixed to the shell of the explosion-proof electric block, and the movable end of the steel wire rope is; the scour protection top stop device include with the monospar is parallel and to be located the mounting panel of explosion-proof electric block below, the mounting panel is provided with and holds the through-hole that wire rope passes through, set up at least one limit switch who is used for controlling the reel operation on the mounting panel, limit switch's contact is located this limit switch's lower extreme.
The upper side of the mounting plate is connected with the lower side of the single beam through at least two symmetrical buffer springs.
Based on the above, the movable end of the steel wire rope is provided with a fixing component, the fixing component comprises an explosion-proof shell and a pulley block arranged in the explosion-proof shell, the steel wire rope is wound on the pulley block, and the upper side of the explosion-proof shell is provided with a through hole for the steel wire rope to pass through; the bottom of the explosion-proof shell is vertically provided with at least two explosion-proof connecting rods, the lower ends of the explosion-proof connecting rods are bent upwards to form hanging parts, the top end of the lifting appliance is provided with an explosion-proof plate, and the explosion-proof plate corresponds to the hanging parts and is provided with hanging holes.
Based on the above, limit switch's vertical projection is located on the explosion-proof housing.
Based on the above, the anti-top-collision limiting device further comprises a touch plate corresponding to the contact of the limiting switch, one side edge of the touch plate is hinged to the mounting plate, and the other side edge of the touch plate is connected with the mounting plate through a flexible connecting piece.
Based on the above, the vertical projection of the touch plate is positioned on the explosion-proof shell
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides an explosion-proof monospar hoist with scour protection top limit structure, when the heavy object promoted to a take the altitude, limit switch's contact was touched and is carried out the scour protection top spacing, effectively improves the security of explosion-proof monospar hoist use. In addition, the upper side surface of the mounting plate is connected with the lower side surface of the single beam through at least two symmetrical buffer springs, so that a buffering effect can be achieved, and the limit switch is prevented from being damaged due to high-speed impact.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a single beam; 2. an explosion-proof electric hoist; 3. mounting a plate; 4. a limit switch; 5. a touch plate; 6. an explosion-proof housing; 7. a pulley block; 8. a hanging part; 9. an explosion-proof plate.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1, an explosion-proof single-beam crane with an anti-ejection limiting structure comprises a single beam 1, an explosion-proof electric block 2 connected with the single beam 1 in a sliding manner, and an anti-ejection limiting device, wherein a steel wire rope is wound on a winding drum of the explosion-proof electric block 2, the fixed end of the steel wire rope is fixed on a shell of the explosion-proof electric block 2, and the movable end of the steel wire rope is connected with a lifting appliance; top limit device includes with 1 parallel just is located of monospar mounting panel 3 of 2 below of explosion-proof electric block, mounting panel 3 is provided with and holds the through-hole that wire rope passes through, set up at least one limit switch 4 that is used for controlling the reel operation on mounting panel 3, limit switch 4's contact is located this limit switch 4's lower extreme. Specifically, limit switch sets up to two, adopts explosion-proof type limit switch, limit switch with the automatically controlled connected mode of reel adopts the connected mode among the prior art. In the using process, the heavy object is lifted to a certain height, the contact of the limit switch is triggered to carry out anti-top limit, and the safety of the explosion-proof single-beam crane in the using process is effectively improved.
Further, the upper side of the mounting plate 3 is connected with the lower side of the single beam 1 by at least two symmetrical buffer springs. Can play the cushioning effect, avoid limit switch to receive high-speed striking and damage, in this embodiment, buffer spring is two.
Furthermore, a fixed assembly is arranged at the movable end of the steel wire rope, the fixed assembly comprises an explosion-proof shell 6 and a pulley block 7 arranged in the explosion-proof shell 6, the steel wire rope is wound on the pulley block 7, and a through hole for allowing the steel wire rope to pass through is formed in the upper side of the explosion-proof shell 6; the bottom of the explosion-proof shell 6 is vertically provided with at least two explosion-proof connecting rods, the lower ends of the explosion-proof connecting rods are bent upwards to form hanging parts 8, the top end of the lifting appliance is provided with an explosion-proof plate 9, and the explosion-proof plate 9 corresponds to the hanging parts 8 and is provided with hanging holes. Preferably, the vertical projection of the limit switch 4 is located on the explosion-proof housing 6, so that after the explosion-proof housing is lifted to a certain position, the explosion-proof housing touches the contact of the limit switch to achieve the purpose of top-impacting prevention and limiting.
In the use, will the hitching part of explosion-proof connecting rod is hung on the explosion-proof plate, through the connection between explosion-proof connecting rod and the explosion-proof plate, installs the hoist, not only can improve the stability of structure, can also effectively reduce the installation procedure, still need additionally carry out the loaded down with trivial details procedure of bolt fastening to the explosion-proof plate after avoiding conventional hoist installation.
In other embodiments, the anti-ejection limiting device further comprises a touch plate 5 corresponding to the contact of the limiting switch 4, one side of the touch plate 5 is hinged to the mounting plate 3, and the other side of the touch plate 5 is connected to the mounting plate 3 through a flexible connecting piece. The vertical projection of the touch plate 5 is positioned on the explosion-proof housing 6.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. The utility model provides an explosion-proof single beam crane with scour protection top limit structure which characterized in that: the anti-explosion electric hoist comprises a single beam, an anti-explosion electric hoist in sliding connection with the single beam and a top-impact-prevention limiting device, wherein a steel wire rope is wound on a winding drum of the anti-explosion electric hoist, the fixed end of the steel wire rope is fixed on a shell of the anti-explosion electric hoist, and the movable end of the steel wire rope is connected with a lifting appliance; the scour protection top stop device include with the monospar is parallel and to be located the mounting panel of explosion-proof electric block below, the mounting panel is provided with and holds the through-hole that wire rope passes through, set up at least one limit switch who is used for controlling the reel operation on the mounting panel, limit switch's contact is located this limit switch's lower extreme.
2. The explosion-proof single-beam crane with the anti-top limit structure is characterized in that: the upper side of the mounting plate is connected with the lower side of the single beam through at least two symmetrical buffer springs.
3. The explosion-proof single-beam crane with the anti-top limit structure is characterized in that: the movable end of the steel wire rope is provided with a fixing component, the fixing component comprises an explosion-proof shell and a pulley block arranged in the explosion-proof shell, the steel wire rope is wound on the pulley block, and the upper side of the explosion-proof shell is provided with a through hole for accommodating the steel wire rope to pass through; the bottom of the explosion-proof shell is vertically provided with at least two explosion-proof connecting rods, the lower ends of the explosion-proof connecting rods are bent upwards to form hanging parts, the top end of the lifting appliance is provided with an explosion-proof plate, and the explosion-proof plate corresponds to the hanging parts and is provided with hanging holes.
4. The explosion-proof single-beam crane with the anti-top limit structure is characterized in that: and the vertical projection of the limit switch is positioned on the explosion-proof shell.
5. The explosion-proof single-beam crane with the anti-top limit structure is characterized in that: the anti-top-collision limiting device further comprises a touch plate corresponding to the contact of the limiting switch, one side edge of the touch plate is hinged to the mounting plate, and the other side edge of the touch plate is connected with the mounting plate through a flexible connecting piece.
6. The explosion-proof single-beam crane with the anti-top limit structure is characterized in that: the vertical projection of the touch plate is positioned on the explosion-proof shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922119.9U CN210825139U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof single-beam crane with anti-top-collision limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921922119.9U CN210825139U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof single-beam crane with anti-top-collision limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210825139U true CN210825139U (en) | 2020-06-23 |
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ID=71264391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921922119.9U Active CN210825139U (en) | 2019-11-08 | 2019-11-08 | Explosion-proof single-beam crane with anti-top-collision limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210825139U (en) |
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2019
- 2019-11-08 CN CN201921922119.9U patent/CN210825139U/en active Active
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