CN219823516U - Crown block walking automatic brake device - Google Patents
Crown block walking automatic brake device Download PDFInfo
- Publication number
- CN219823516U CN219823516U CN202321246254.2U CN202321246254U CN219823516U CN 219823516 U CN219823516 U CN 219823516U CN 202321246254 U CN202321246254 U CN 202321246254U CN 219823516 U CN219823516 U CN 219823516U
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- Prior art keywords
- block
- skid
- crown
- electric push
- crown block
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- 238000007789 sealing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model provides an automatic travelling brake device for a crown block, which comprises an electric push rod arranged on a crown block main body, wherein a support block is arranged at the moving end of the electric push rod, an anti-skid block used for contacting with a crown block main body pulley to prevent the electric push rod from moving is arranged on the support block, the anti-skid block is an elastic anti-skid block, a gas storage groove filled with gas is formed in the anti-skid block, an installation groove communicated with the gas storage groove is formed in the support block, a second touch switch electrically connected with the electric push rod is arranged in an inner cavity of the installation groove, when the electric push rod contacts with the crown block main body pulley to brake, the anti-skid block is extruded, air in the gas storage groove is extruded into an inner cavity of the installation groove to push a pressing plate to move, and the second touch switch is pressed, so that the electric push rod stops working, a certain pressure is ensured when the anti-skid block contacts with the crown block main body pulley, and the stability of the crown block main body is ensured.
Description
Technical Field
The disclosure relates to the technical field of braking for crown blocks, in particular to an automatic travelling brake device for crown blocks.
Background
Crown blocks are generally referred to as cranes that operate at high altitudes. When the crown block is in use, the pulley slides on the track, and an automatic brake device is arranged on the crown block and used for braking the crown block;
however, in the process of frequent use, the brake pads on the automatic brake device are worn, so that the brake stability is reduced.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide an overhead travelling automatic brake arrangement.
In a first aspect, the present utility model provides an overhead travelling crane walking automatic brake device, comprising:
the crown block main body is provided with a plurality of electric push rods; a supporting block is arranged at the moving end of the electric push rod, and an anti-skid block used for contacting with the crown block main body pulley to prevent the crown block main body pulley from moving is arranged on the supporting block;
the anti-skid block is an elastic anti-skid block, a gas storage groove filled with gas is formed in the anti-skid block, a mounting groove communicated with the gas storage groove is formed in the supporting block, and a second touch switch electrically connected with the electric push rod is arranged in the inner cavity of the mounting groove.
According to the technical scheme provided by the embodiment of the utility model, the pressing plate used for sealing and dividing the inner cavity of the mounting groove and used for pressing the second touch switch is slidably arranged in the inner cavity of the mounting groove, and the elastic piece used for limiting the movement of the pressing plate is arranged on the pressing plate.
According to the technical scheme provided by the embodiment of the utility model, the anti-skid block is provided with the connecting piece, and the connecting piece is in threaded connection with the fixing bolt connected with the supporting block.
According to the technical scheme provided by the embodiment of the utility model, the crown block main body is provided with the connecting block, the connecting block is provided with the first touch switch, the moving end of the electric push rod is provided with the pressing block for pressing the first touch switch, and the first touch switch is connected with the external alarm.
According to the technical scheme provided by the embodiment of the utility model, the connecting block is in threaded connection with the positioning bolt connected with the crown block main body.
To sum up, this technical scheme specifically discloses overhead traveling crane walking automatic brake equipment, when electric putter takes the pulley contact of antiskid block and overhead traveling crane main part to brake, can extrude the antiskid block, extrudees the inner chamber of mounting groove with the inside air of air storage tank, pushes away the clamp plate and removes, presses second touch switch, makes electric putter stop work, has certain pressure when guaranteeing antiskid block and overhead traveling crane main part pulley contact, ensures the stability when overhead traveling crane main part is braked.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is an enlarged schematic view of the structure of the present utility model at A.
FIG. 3 is a schematic view of the connection structure of the support block and the anti-skid block.
In the figure: 1. a crown block main body; 2. an electric push rod; 3. a support block; 4. an anti-skid block; 5. a connecting piece; 6. briquetting; 7. connecting blocks; 8. a first touch switch; 9. a mounting groove; 10. a pressing plate; 11. an elastic member; 12. and a second touch switch.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
Referring to fig. 1 to 3, an automatic travelling brake device for a crown block comprises an electric push rod 2 mounted on a crown block body 1; the crown block body 1 is provided with pulleys, the crown block body 1 can slide on a preset track, the electric push rods 2 are arranged on the bottom wall of the crown block body 1, the number of the electric push rods 2 is the same as that of the pulleys of the crown block body 1, the movable ends of the electric push rods 2 are provided with support blocks 3, one side wall of each support block 3, which is close to each pulley, is provided with a rubber anti-skid block 4 (the rubber anti-skid block 4 has certain elasticity and can deform), the inside of each anti-skid block 4 is provided with an air storage groove, the inner cavity of each air storage groove is filled with air, the inside of each support block 3 is provided with a mounting groove 9, the mounting grooves 9 are communicated with the inner cavity of each air storage groove, a pressing plate 10 is slidably arranged in the inner cavity of each mounting groove 9, the pressing plate 10 divides the inner cavity of each mounting groove 9 into two sealed spaces, the left side of the inner cavity of each mounting groove 9 is provided with a second touch switch 12, each second touch switch 12 is electrically connected with the electric push rods 2 through a wire, and an elastic piece 11 is arranged between the right side wall of each pressing plate 10 and the right side of the inner cavity of each mounting groove 9;
the braking mode is as follows: the electric push rod 2 works, the supporting block 3 is led to draw close to the pulley with the anti-skid block 4 and is contacted with the pulley, the anti-skid block 4 is extruded, air in the air storage tank is extruded into the inner cavity of the mounting groove 9, the pressing plate 10 is moved to press the second touch switch 12, the electric push rod 2 stops working, a certain pressure is ensured when the anti-skid block 4 is contacted with the pulley, and the stability during braking is ensured;
install connecting piece 5 on the antiskid piece 4 outer wall, the spiro union has fixing bolt on the connecting piece 5, has seted up the screw on the supporting piece 3 outer wall, and fixing bolt's fastening end extends to the inner chamber of screw in, installs antiskid piece 4 on supporting piece 3, when unscrewing fixing bolt, makes antiskid piece 4 can be followed and support piece 3 and dismantle and change.
The overhead travelling crane comprises a crown block body 1, wherein a connecting block 7 is arranged on the bottom wall of the crown block body 1, a first touch switch 8 is arranged on the outer wall of the connecting block 7, a pressing block 6 is arranged on the moving end of an electric push rod 2, the pressing block 6 can press the first touch switch 8, the first touch switch 8 is electrically connected with an external alarm through a wire, when the anti-skid block 4 is worn to a large extent, the moving amplitude of the supporting block 3 with the anti-skid block 4 can be increased, the pressing block 6 can be pressed to the first touch switch 8, the external alarm can give an alarm for prompting a worker, and the worker can replace the anti-skid block 4 in time;
the positioning bolts are screwed on the outer wall of the connecting block 7, a plurality of threaded holes are formed in the bottom wall of the crown block body 1, the fastening ends of the positioning bolts extend into the inner cavities of the threaded holes, the connecting block 7 is installed on the crown block body 1, and the distance between the first touch switch 8 and the pressing block 6 can be adjusted by fixing the positioning bolts in different threaded holes.
The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (5)
1. Crown block walking automatic brake device, its characterized in that includes:
a crown block main body (1) on which a plurality of electric push rods (2) are arranged; a supporting block (3) is arranged at the moving end of the electric push rod (2), and an anti-skid block (4) used for contacting with a pulley of the crown block main body (1) to prevent the crown block main body from moving is arranged on the supporting block (3);
the anti-skid device comprises an anti-skid block (4), wherein the anti-skid block (4) is an elastic anti-skid block, a gas storage groove filled with gas is formed in the anti-skid block (4), a mounting groove (9) communicated with the gas storage groove is formed in a supporting block (3), and a second touch switch (12) electrically connected with an electric push rod (2) is arranged in an inner cavity of the mounting groove (9).
2. The crown block walking automatic brake device according to claim 1, wherein a pressing plate (10) for sealing and dividing the inner cavity of the mounting groove (9) and for pressing the second touch switch (12) is slidably mounted in the inner cavity of the mounting groove (9), and an elastic member (11) for limiting the movement of the pressing plate (10) is mounted on the pressing plate (10).
3. The crown block walking automatic brake device according to claim 1, wherein a connecting piece (5) is installed on the anti-skid block (4), and a fixing bolt connected with the supporting block (3) is screwed on the connecting piece (5).
4. The crown block walking automatic brake device according to claim 1, wherein a connecting block (7) is installed on the crown block main body (1), a first touch switch (8) is installed on the connecting block (7), a pressing block (6) for pressing the first touch switch (8) is installed on the moving end of the electric push rod (2), and the first touch switch (8) is connected with an external alarm.
5. The crown block walking automatic brake device according to claim 4, wherein the connecting block (7) is screwed with a positioning bolt connected with the crown block main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246254.2U CN219823516U (en) | 2023-05-22 | 2023-05-22 | Crown block walking automatic brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246254.2U CN219823516U (en) | 2023-05-22 | 2023-05-22 | Crown block walking automatic brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823516U true CN219823516U (en) | 2023-10-13 |
Family
ID=88245746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321246254.2U Active CN219823516U (en) | 2023-05-22 | 2023-05-22 | Crown block walking automatic brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823516U (en) |
-
2023
- 2023-05-22 CN CN202321246254.2U patent/CN219823516U/en active Active
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