CN213895010U - Tower crane prevents drawing detection device to one side - Google Patents

Abstract

The utility model discloses a tower crane prevents drawing detection device to one side, including tower crane body, install bin and traction cable rope, the bottom fixed mounting of tower crane body has the install bin, and inlet wire and outlet have been seted up respectively at the middle part of install bin top and bottom, and the bottom swing joint of tower crane body has the traction cable rope, and the equal fixed mounting in both sides of install bin inner wall diapire has the slide, and the inner wall swing joint of slide has the pulley. The utility model discloses a setting of first trigger bar, the second trigger bar, first trigger switch, the second trigger switch, first warning light and second warning light, when the pull cable rope appears hanging to one side to hang to one side, the touch of pull cable rope promotes first trigger bar touching first trigger switch, make first warning light circular telegram and light, when pull cable rope inclination is too big, the touch of second trigger bar to second trigger switch, make the second warning light, thereby the warning personnel adjust the tower crane body immediately, avoid taking place serious engineering accident.

Description

Tower crane prevents drawing detection device to one side

Technical Field

The utility model relates to a tower crane technical field specifically is a tower crane prevents drawing detection device to one side.

Background

The tower crane tip has the function of bearing the upper load transmitted by the boom pull rope and the balance arm pull rope, and directly transmits the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components. The self-elevating tower top is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined support frame type. The upper slewing tower crane is required to be provided with a balance weight, and the function of the upper slewing tower crane is to support the balance weight so as to form a balance moment which is required by design and has the action direction opposite to the lifting moment direction. In addition to the counterweight, a hoisting mechanism is often provided at the tail. The hoisting mechanism and the balance weight are arranged at the tail end of the balance arm together, so that partial balance weight function can be achieved, and the distance between the rope reel and the tower tip guide wheel is increased, so that the steel wire rope can be conveniently wound and rope disorder is avoided. The dosage of the balance weight is in inverse proportion to the length of the balance arm, and the length of the balance arm is in proportion to the length of the crane boom. The balance weight is considerable, the light tower crane generally needs 3-4 t at least, and the heavy tower crane needs 30t nearly.

In the use process of the existing tower crane, irregular operation such as inclined-pulling inclined-hanging often occurs, so that equipment damage or major safety accidents are easily caused by the operation, and therefore the tower crane inclined-pulling prevention detection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tower crane prevents drawing detection device to one side in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tower crane diagonal-pulling prevention detection device comprises a tower crane body, an installation box and a traction cable, the bottom of the tower crane body is fixedly provided with an installation box, the middle parts of the top and the bottom of the installation box are respectively provided with a wire inlet and a wire outlet, the bottom of the tower crane body is movably connected with a traction cable rope, both sides of the bottom wall of the inner wall of the installation box are fixedly provided with slideways, the inner wall of the slideway is movably connected with a pulley, the center of the pulley is movably connected with a slide block, the top end of the sliding block is fixedly connected with a linkage rod, one end of the linkage rod is fixedly connected with a first trigger rod and a second trigger rod, the one end that first trigger bar was kept away from to the gangbar rotates and is connected with the leading wheel, the inner wall of install bin fixed mounting has first trigger switch and second trigger switch respectively, the front fixed mounting of install bin has first warning light and second warning light.

Preferably, first trigger bar includes sleeve, loop bar, trigger head and reset spring, sleeve and gangbar fixed connection, the one end that the gangbar was kept away from to the sleeve is pegged graft and is had the loop bar, telescopic one end fixedly connected with trigger head is kept away from to the loop bar, telescopic inside is provided with reset spring.

Preferably, the surface of the linkage rod is sleeved with a limiting ring, and one side of the limiting ring is sleeved with a limiting spring.

Preferably, the first trigger switch is electrically connected with the first warning lamp, and the second trigger switch is electrically connected with the second warning lamp.

Preferably, the inner wall of the installation box is fixedly provided with a monitoring camera body.

Preferably, the number of the guide wheels is two, and the two guide wheels are positioned on two sides of the traction cable.

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

1. the utility model discloses a setting of first trigger bar, the second trigger bar, first trigger switch, the second trigger switch, first warning light and second warning light, when the pull cable rope appears hanging to one side to hang to one side, the touch of pull cable rope promotes first trigger bar touching first trigger switch, make first warning light circular telegram and light, when pull cable rope inclination is too big, the touch of second trigger bar to second trigger switch, make the second warning light, thereby the warning personnel adjust the tower crane body immediately, avoid taking place serious engineering accident.

2. The utility model discloses a setting of first trigger bar and spacing spring, after the angular adjustment of traction cable rope was accomplished, reset spring and spacing spring in the first trigger bar can effectual promotion gangbar and leading wheel reset, and after the gangbar resets, first trigger bar and second trigger bar were kept away from first trigger switch and second trigger switch to can effectual first warning light and the second warning light of closing, thereby effectual for personnel warning traction cable rope has adjusted to the vertical state.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic front view of a cross-sectional structure of the present invention;

fig. 3 is a schematic sectional structure view of the slide of the present invention;

fig. 4 is a schematic structural diagram of the first trigger lever of the present invention.

In the figure: 1. a tower crane body; 2. installing a box; 3. pulling the cable; 4. a wire inlet; 5. an outlet; 6. a slideway; 7. a pulley; 8. a slider; 9. a linkage rod; 10. a first trigger lever; 1001. a sleeve; 1002. a loop bar; 1003. a trigger head; 1004. a return spring; 11. a second trigger lever; 12. a guide wheel; 13. a first trigger switch; 14. a second trigger switch; 15. a first warning light; 16. a second warning light; 17. a limiting ring; 18. a surveillance camera body; 19. and a limiting spring.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a tower crane diagonal-pulling prevention detection device comprises a tower crane body 1, an installation box 2 and a traction cable 3, wherein the installation box 2 is fixedly installed at the bottom of the tower crane body 1, a wire inlet 4 and a wire outlet 5 are respectively formed in the middle of the top and the bottom of the installation box 2, the bottom of the tower crane body 1 is movably connected with the traction cable 3, slide ways 6 are fixedly installed on two sides of the bottom wall of the inner wall of the installation box 2, pulleys 7 are movably connected with the inner wall of each slide way 6, the friction force of each slide way can be effectively reduced through the arrangement of the slide ways 6 and the pulleys 7, a slide block 8 is movably connected at the center of each pulley 7, a linkage rod 9 is fixedly connected at the top end of each slide block 8, a first trigger rod 10 and a second trigger rod 11 are fixedly connected at one end of each linkage rod 9, the first trigger rod 10 and a limiting spring 19 are arranged, after the angular adjustment of the traction cable 3 is completed, a reset spring 1004 and a limiting spring 19 in the first trigger rod 10 can effectively push the linkage rod 9 and a guide wheel 12 to reset, after the linkage rod 9 is reset, the first trigger rod 10 and the second trigger rod 11 are far away from the first trigger switch 13 and the second trigger switch 14, so that the first warning lamp 15 and the second warning lamp 16 can be effectively turned off, the traction cable 3 is effectively warned to be in a vertical state for personnel, one end, far away from the first trigger rod 10, of the linkage rod 9 is rotatably connected with a guide wheel 12, the first trigger switch 13 and the second trigger switch 14 are respectively and fixedly installed on the inner wall of the installation box 2, and the first warning lamp 15 and the second warning lamp 16 are fixedly installed on the front face of the installation box 2;

through first trigger lever 10, second trigger lever 11, first trigger switch 13, second trigger switch 14, the setting of first warning light 15 and second warning light 16, when the oblique hanging to one side appears in haulage hawser 3, the first trigger lever 10 of the touching promotion of haulage hawser 3 touching first trigger switch 13, make first warning light 15 circular telegram and light, when 3 inclination of haulage hawser is too big, second trigger lever 11 touches to second trigger switch 14, make second warning light 16 light, thereby warning personnel adjust tower crane body 1 immediately, avoid taking place serious engineering accident.

Further, first trigger lever 10 includes sleeve 1001, loop bar 1002, trigger head 1003 and reset spring 1004, sleeve 1001 and gangbar 9 fixed connection, the one end that gangbar 9 was kept away from to sleeve 1001 is pegged graft and is had loop bar 1002, the one end fixedly connected with trigger head 1003 that sleeve 1001 was kept away from to loop bar 1002, the inside of sleeve 1001 is provided with reset spring 1004, setting through sleeve 1001 and loop bar 1002, when gangbar 9 drove first trigger lever 10 displacement, when trigger head 1003 displacement to first trigger switch 13 department, loop bar 1002 can contract in the sleeve 1001, thereby contract first trigger lever 10's length, make second trigger lever 11 can touch to second trigger switch 14.

Further, the surface of gangbar 9 has cup jointed spacing ring 17, and spacing spring 19 has been cup jointed to one side of spacing ring 17, and through the setting of spacing spring 19, after traction cable 3 resets, spacing spring 19 can assist reset spring 1004 linkage bar 9 that resets, simultaneously, when traction cable 3 slopes, spacing spring 19 and spacing ring 17 can be spacing to linkage bar 9, avoid linkage bar 9 displacement amplitude too big, cause the damage to first warning light 15 and second warning light 16.

Further, the first trigger switch 13 is electrically connected to the first warning light 15, the second trigger switch 14 is electrically connected to the second warning light 16, the first warning light 15 can be started by pressing the first trigger switch 13, and the second warning light 16 can be started by pressing the second trigger switch 14.

Further, the inner wall fixed mounting of install bin 2 has surveillance camera body 18, and through surveillance camera body 18's setting, the condition in install bin 2 can be seen from the control room to personnel to in time adjust tower crane body 1.

Further, the quantity of leading wheel 12 is two, and two leading wheels 12 are located the both sides of traction cable 3, and through the setting of leading wheel 12, when traction cable 3 longitudinal movement, leading wheel 12 can rotate thereupon to can effectually prevent that the wearing and tearing condition from appearing in traction cable 3 long-term removal.

The working principle is as follows: when the traction cable 3 pulls materials, after the traction cable 3 is straightened, if the traction cable 3 inclines, the traction cable can prop against the guide wheel 12 to enable the linkage rod 9 to displace, when the linkage rod 9 displaces, the first trigger rod 10 can prop against the first trigger switch 13, when the first trigger switch 13 is pressed down, the first warning lamp 15 lights a warning worker, when the inclination angle is large, the first trigger rod 10 contracts, the second trigger rod 11 props against the second trigger switch 14 to turn on the second warning lamp 16, so that the tower crane body 1 can be quickly adjusted by the warning worker, after the adjustment is completed, the traction cable 3 resets, at the moment, the reset spring 1004 and the limiting spring 19 can push the linkage rod 9 to reset, and meanwhile, the first warning lamp 15 and the second warning lamp 16 are turned off.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a tower crane prevents drawing detection device to one side, includes tower crane body (1), install bin (2) and haulage hawser (3), its characterized in that: the tower crane is characterized in that an installation box (2) is fixedly installed at the bottom of the tower crane body (1), a wire inlet (4) and a wire outlet (5) are respectively formed in the middle of the top and the bottom of the installation box (2), a traction cable (3) is movably connected to the bottom of the tower crane body (1), slide ways (6) are fixedly installed on two sides of the bottom wall of the inner wall of the installation box (2), pulleys (7) are movably connected to the inner wall of the slide ways (6), a slider (8) is movably connected to the center of each pulley (7), a linkage rod (9) is fixedly connected to the top end of each slider (8), a first trigger rod (10) and a second trigger rod (11) are fixedly connected to one end of each linkage rod (9), the end, far away from the first trigger rod (10), is rotatably connected with a guide wheel (12), and a first trigger switch (13) and a second trigger switch (14) are respectively and fixedly installed on the inner wall of the installation box (2), the front face of the installation box (2) is fixedly provided with a first warning lamp (15) and a second warning lamp (16).

2. The tower crane diagonal pulling prevention detection device according to claim 1, wherein: first trigger bar (10) include sleeve (1001), loop bar (1002), trigger head (1003) and reset spring (1004), sleeve (1001) and gangbar (9) fixed connection, the one end that gangbar (9) were kept away from in sleeve (1001) is pegged graft and is had loop bar (1002), the one end fixedly connected with trigger head (1003) of sleeve (1001) are kept away from in loop bar (1002), the inside of sleeve (1001) is provided with reset spring (1004).

3. The tower crane diagonal pulling prevention detection device according to claim 1, wherein: the surface of the linkage rod (9) is sleeved with a limiting ring (17), and one side of the limiting ring (17) is sleeved with a limiting spring (19).

4. The tower crane diagonal pulling prevention detection device according to claim 1, wherein: the first trigger switch (13) is electrically connected with the first warning lamp (15), and the second trigger switch (14) is electrically connected with the second warning lamp (16).

5. The tower crane diagonal pulling prevention detection device according to claim 1, wherein: the inner wall of the installation box (2) is fixedly provided with a monitoring camera body (18).

6. The tower crane diagonal pulling prevention detection device according to claim 1, wherein: the number of the guide wheels (12) is two, and the two guide wheels (12) are positioned on two sides of the traction cable (3).

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