CN217996550U - Cable distribution guide device applied to tower crane walking trolley - Google Patents

Abstract

The utility model provides a be applied to cable distribution guider of tower crane walking dolly relates to the tower crane accessory, include: the bottom frame, the bottom frame both sides are provided with the extension pillar, the top of extension pillar is provided with driven walking wheel respectively, driven walking wheel drives the bottom frame and moves on the crossbeam, this application still includes cylinder and cable holds in the palm, the cable winding is on the cylinder, still include the directive wheel between cylinder and cable hold in the palm, the wiring wheel, make the cable fall into the cable through the twice of directive wheel and wiring wheel and hold in the palm, arrange the wiring wheel through the slope, when the bottom frame moves forward, the cable passes through the ascending guide of wiring wheel, can hold in the palm this slope from the cable and pack up upwards; when the underframe rearward movement, the cable leads to the cable to hold in the palm through the downwardly directed of wiring wheel, guarantees that the cable can be abundant, complete fall into the cable and hold in the palm, avoids the cable to deviate from the cable and holds in the palm.

Description

Cable distribution guide device applied to tower crane walking trolley

Technical Field

The utility model relates to a tower crane accessory, in particular to be applied to cable laying guider of tower crane walking dolly.

Background

The tower crane is the most common hoisting equipment on the construction site, and generally comprises a tower body, a rotary support arranged at the middle upper part of the tower body and a cross arm (A) arranged on the rotary support, wherein the rotary support is used for driving the cross arm (A) to rotate by taking the tower body as a rotation center.

The cross arm (A) comprises two parallel cross beams (01), a plurality of spacing beams (02) are arranged between the two cross beams (01), the spacing beams (02) are arranged between the two cross beams (01) in parallel, a reinforcing beam (03) is arranged between the adjacent spacing beams (02), and the reinforcing beam (03), the spacing beams and the cross beams (01) form a triangle to ensure the strength of the cross arm (A). The cross arm (A) is provided with a walking trolley, the walking trolley is provided with tools such as a lifting hook, and the walking trolley can reciprocate along the length direction of the cross beam (01) to lift articles at different positions.

In view of safety, video and safety monitoring systems are installed on existing tower cranes, and generally include a display screen and an operating part which are arranged in an operating room, and various sensors, such as a height sensor and a camera, which are arranged at the front end of a cross arm (a). Most of the existing video and safety monitoring systems adopt a wireless network bridge or a wireless video transmitter to transmit video signals, but the tower crane usually works in the field or in the high altitude, and has more interference, for example, (1) when an interphone, an electric welder and the like are used in a construction site, the possibility of signal interference is higher; (2) Along with the change of the height of the floor or the shielding of the signal by the building on the spot, the situation of bad signal may occur on the spot; and (3) is susceptible to the weather environment. These all affect the transmission accuracy and real-time performance of the signals of the camera system, so many manufacturers transmit the signals in a wired transmission mode, but as the travelling trolley moves on the cross arm (a) continuously, the cable (B) for wired transmission is too long or too short, when the cable (B) is too long, the cable (B) can vertically shake to accelerate the abrasion of the cable (B), and when the cable (B) is too short, the travelling distance of the travelling trolley is limited.

In addition, the walking trolley has narrow space and needs to move back and forth on the cross arm (A) according to working conditions, so that the wiring is messy and troublesome.

Therefore, a cable distribution guide device applied to a tower crane walking trolley is lacked in the market, the space of the walking trolley is reasonably utilized, and the length and the trend of a take-up and pay-off line are controlled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be applied to cable laying guider of walking dolly of tower crane is applicable to wired transmission, can rational utilization walk the space of walking the dolly and accomodate and receive and release, avoids the drawback that cable overlength or short cause.

In order to achieve the above object, the utility model provides a be applied to cable distribution guider of tower crane walking dolly is provided to an embodiment, include:

the two sides of the bottom frame are provided with extension pillars, the top end of each extension pillar is provided with a driven travelling wheel, and the driven travelling wheels are used for being in contact with the cross beam and driving the bottom frame to move along the length direction of the cross beam;

the drum is used for winding a cable and is fixed on the bottom frame, and a rotating shaft of the drum is vertical to the length direction of the cross beam;

the steering wheel is arranged right in front of the roller, the projection of the rotating shaft of the steering wheel and the projection of the rotating shaft of the roller on the ground are mutually vertical, and the steering wheel is used for steering the cable by 90 degrees;

the wiring wheel is arranged on one side of the steering wheel, and an acute included angle is formed between a rotating shaft of the wiring wheel and the ground so that the front end of the wiring wheel is lower than the rear end of the wiring wheel;

a plurality of cables hold in the palm, set gradually on the spacer beam, the cable holds in the palm and is the L type, and the cable falls into the cable after the wiring wheel and holds in the palm.

Preferably, the underframe comprises at least one centre beam, said drum being arranged between said centre beam and the underframe.

Preferably, be applied to cable laying guider of tower crane walking dolly and still include the pinch roller, the pinch roller with the directive wheel is circumscribed in one side of inlet wire the pinch roller with the tangent department of directive wheel forms the passageway that the power cable passes through.

Preferably, a tensioning wheel is arranged between the wiring wheel and the steering wheel, and the tensioning wheel is used for tensioning a cable.

Preferably, one side of the wiring wheel far away from the steering wheel is provided with a wire pressing column, and the wire pressing column is arranged in contact with the wiring wheel so as to limit the cable in the groove of the wiring wheel.

Preferably, the drum is a cable drum driven by a volute spiral spring.

Preferably, the cable holds in the palm including long arm, short armed and the linking arm of connecting long arm and short arm, the top fixed connection of long arm is on the spacer beam, long arm with short arm parallel arrangement, the cable holds in the palm the opening that forms to be used for the cable to fall into.

Preferably, the first and second liquid crystal materials are,

the top of linking arm is provided with horizontal roller, horizontal roller with the linking arm is parallel, the both ends of horizontal roller are provided with switching portion, and two switching portions are fixed to be set up on long arm and the forearm, horizontal roller can rotate by switching portion relatively, is provided with long roller in the switching portion of being close to long arm one end, long roller with long arm is parallel, long roller rotates to set up in the switching portion, is close to being provided with short roller in the switching portion of forearm one end, short roller with the forearm is parallel, short roller rotates to set up in the switching portion.

The above technical scheme of the utility model following beneficial effect:

in this application, through directive wheel and wiring wheel change the direction of cable to finally hold in the palm the wiring through the wiring wheel to the cable, make the cable can fall into the cable and hold in the palm. Further, by arranging the wiring wheel obliquely, the cable can be taken up upward from such an inclination of the cable tray by upward guidance of the wiring wheel when the bottom frame moves forward; when the underframe rearward movement, the cable leads to the cable to hold in the palm through the downwardly directed of wiring wheel, guarantees that the cable can be abundant, complete fall into the cable and hold in the palm, avoids the cable to deviate from the cable and holds in the palm.

Drawings

FIG. 1 is a schematic view of the present application mounted on a cross arm;

FIG. 2 is a schematic structural diagram of the present application;

FIG. 3 is a schematic routing diagram of a cable in the present application;

FIG. 4 is a schematic structural view of a cable tray;

FIG. 5 is a cross-sectional view of the cable tray;

fig. 6 is a schematic structural view of the steering wheel.

[ instruction of reference ]

A-cross arm, 01-cross beam, 02-spacing beam, 03-reinforcing beam and B-cable.

1-bottom frame, 11-extension support, 12-driven traveling wheel, 13-middle beam, 14-hanging wheel, 2-roller, 3-steering wheel, 31-wire groove, 4-wiring wheel, 5-cable support, 51-long arm, 52-short arm, 53-connecting arm, 54-cross roller, 55-switching part, 56-long roller, 57-short roller, 6-pinch roller, 7-tension wheel and 8-wire pressing roller.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, the embodiment of the utility model provides a be applied to cable laying guider of tower crane walking dolly, including underframe 1, underframe 1's both sides set up extension pillar 11, and extension pillar 11's top is provided with driven walking wheel 12 respectively, and driven walking wheel 12 and the crossbeam 01 upper surface contact of xarm A to drive underframe 1 and remove at the length direction of crossbeam 01, underframe 1, extension pillar 11 and driven walking wheel 12 have constituted the most basic walking dolly. Further, the underframe 1 is moved by the prior art, that is, the underframe is pulled by two steel cables arranged at two ends of the cross arm a to move forward or backward, and it should be noted that, in this application, one end of the cross beam 01 far away from the pivoting support is defined as a forward moving direction, and one end of the cross beam 01 close to the pivoting support is defined as a backward moving direction.

The aforesaid underframe 1 is a rectangular frame body, is provided with at least one intermediate beam in the underframe 1, in this embodiment, is provided with two parallel intermediate beams 13 in the middle part of underframe 1, and two intermediate beams 13 interval sets up, and the length direction of intermediate beam 13 is unanimous with the length direction of crossbeam 01, is provided with two hanging wheels 14 between two crossbeams 01, and hanging wheel 14 is used for installing the lifting hook to realize the lift of lifting hook through the rotation of hanging wheel 14. Since the application does not involve the modification of the lifting part of the hook, this part can be realized by the prior art.

A roller 2 is arranged between the bottom frame 1 and the middle beam 13, and the roller 2 can be wound with a cable B and is used for winding and unwinding the cable B. The preferable roller 2 is a cable drum driven by a volute spiral spring, namely when the walking trolley moves backwards, the cable is pulled out along with the movement of the trolley to play a paying-off effect, and when the walking trolley moves forwards, the cable moves back along with the trolley, and the volute spiral spring drives the roller 2 to wind the cable to play a wire winding effect.

It is emphasized that the cables of the present application include, but are not limited to, signal cables, power-signal cables.

Further, a bracket is arranged on the middle beam 13, a steering wheel 3 is arranged on the bracket, the steering wheel 3 is positioned right in front of the roller 2, the steering wheel 3 is used for steering the cable B for the first time, and the preferred steering angle is 90 degrees. Specifically, the rotating shaft of the steering wheel 3 is aligned with the longitudinal direction of the beam 01, the steering wheel 3 is positioned obliquely above the drum 2, and the projection of the rotating shaft of the steering wheel 3 and the projection of the rotating shaft of the drum 2 on the ground are perpendicular to each other. The bracket is also provided with a pinch roller 6, the pinch roller 6 is externally tangent with the steering wheel 3, and a channel for the cable B to pass through is formed at the external tangent position of the pinch roller 6 and the steering wheel 3. Pinch roller 6 can prevent that cable B from taking place the skew when turning to wheel 3, avoids appearing the card and dying, the condition such as breaking cable B because of cable B winding is on the axis of rotation of turning to wheel 3.

The other side of support is provided with wiring wheel 4, and wiring wheel 4 lies in the both sides of directive wheel 3 respectively with pinch roller 6, and the axis of rotation and the bottom surface of wiring wheel 4 constitute acute angle contained angle for the front end of wiring wheel 4 is less than the rear end. The cabling wheel 4 makes a second turn of the cable B, preferably a second turning angle of 90 °.

Be applied to cable distribution guider of tower crane walking dolly still includes cable support 5, and cable support 5 sets gradually on aforementioned spacer beam 02, and a plurality of cables hold in the palm 5 and be the sharp fixing on spacer beam 02, and cable support 5 is the J type.

Be applied to cable laying guider of tower crane walking dolly still includes take-up pulley 7, and take-up pulley 7 sets up between wiring wheel 4 and directive wheel 3. In this application, cable B is behind 2 unwrapping wires of cylinder, in proper order through directive wheel 3, take-up pulley 7 and wiring wheel 4 back, cable B turns to the back through twice, cable B's length direction is parallel with 01 length direction of crossbeam, cable B is tangent (see figure 3) with the very right-hand member of wiring wheel 4 promptly, a plurality of cables hold in the palm the straight line at 5 places and the collineation of cable B this moment, guarantee that cable B can fall into cable and hold in the palm 5 in and take on the cable and hold in the palm 5, prevent the flagging that cable B process caused, rock, wearing and tearing cable B.

In combination with the traveling of the upper bottom frame 1 and the winding and unwinding of the roller 2, when the bottom frame 1 travels forwards, under the guidance of the wiring wheel 4, the cable B moves in the upward inclined direction, and the roller 2 winds up, so that the excessive bending of the cable B can be reduced, and the breakage of a wire core can be avoided; when the bottom frame 1 moves backwards, the matched roller 2 is paid out, and the cable B is gradually lowered by the guiding of the wiring wheel 4 and finally falls into the cable tray 5. The use of cylinder 2 can be accomodate cable B, and reasonable utilization underframe 1 space can also guarantee that underframe 1 can move to the front end or the terminal time of crossbeam 01, and cable B can not overlength or short excessively, causes the flagging to rock or restricts the action distance of underframe 1.

Preferably, a wire pressing column 8 is arranged on one side of the wire outlet of the wire distribution wheel 4, and the wire pressing column 8 is in contact with the wire distribution wheel 4 for limiting the cable B in the groove of the wire distribution wheel 4.

Preferably, in this application, pinch roller 6, the directive wheel 3, take-up pulley 7 and wiring wheel 4 adopt same structure, use directive wheel 3 as an example, directive wheel 3 includes the wheel body and sets up the axis of rotation at wheel body center, the side of wheel body is provided with to the sunken wire casing 31 of wheel body center, directive wheel 3 is through setting up wire casing 31, can restrict cable B and move on directive wheel 3 on the one hand, on the other hand, it is tangent with pinch roller 6 when directive wheel 3, wiring wheel 4 and the laminating of pressing the line post 8 can form the passageway that supplies the cable to pass through, prevent that the cable from receiving directive wheel 3 or pinch roller 6's extrusion, cause the damage to cable B.

The present application also improves upon the cable tray 5. Specifically, the cable tray 5 includes a long arm 51, a short arm 52, and a connecting arm 53 connecting the long arm 51 and the short arm 52, the top end of the long arm 51 is fixedly connected with the spacer beam 02 to prevent movement, the long arm 51 and the short arm 52 are arranged in parallel, the bottom end of the long arm 51 and the bottom end of the short arm 52 are respectively connected with the connecting arm 53, and the long arm 51, the short arm 52 and the connecting arm 53 are connected to form an opening for the cable B to fall into. Preferably, the long arm 51, the short arm 52 and the connecting arm 53 are integrally formed.

Further, a transverse roller 54 is arranged above the connecting arm 53, the transverse roller 54 is parallel to the connecting arm 53, two ends of the transverse roller 54 are respectively provided with an adapter 55, and the transverse roller 54 can rotate relative to the two adapters 55. The two transfer portions 55 are respectively arranged on the long arm 51 and the short arm 52, a long roller 56 is arranged on the transfer portion 55 close to one end of the long arm 51, the long roller 56 is parallel to the long arm 51, the long roller 56 is rotatably arranged on the transfer portion 55, a short roller 57 is arranged on the transfer portion 55 close to one end of the short arm 52, the short roller is parallel to the short arm 52, the short roller 57 is rotatably arranged on the transfer portion 55, and the short roller 57 and the long roller 56 can rotate relatively in a transfer manner.

Specifically, a cross shaft is provided above the connecting arm 53, the cross roller column 54 is fitted around the cross shaft, the above-mentioned adapter 55 is fixed to each end of the cross shaft, and the adapter 55 is fixed to the long arm 51 and the short arm 52 by bolts. Vertical shafts are respectively arranged on the transfer arms, the vertical shafts are arranged in the radial direction of the transfer part 55, and the long roller column 56 and the short roller column 57 are respectively sleeved on the corresponding vertical shafts.

In this application, through setting up at long roller 56, short roller 57 and horizontal roller 54, can hold in the palm 5 sliding friction with the cable B and become the rotational friction of cable B and each roller, reduce frictional force to cable B's loss, prolong cable B's life, and, short roller 57 and long roller 56's setting can effectually prevent that cable B from holding in the palm 5 roll-off from the cable, have the advantage of adaptation strong wind weather.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a be applied to cable laying guider of tower crane walking dolly which characterized in that includes:

the lifting device comprises a bottom frame (1), wherein extension pillars (11) are arranged on two sides of the bottom frame (1), driven traveling wheels (12) are respectively arranged at the top end of each extension pillar (11), and the driven traveling wheels (12) are used for being in contact with a cross beam (01) and driving the bottom frame (1) to move along the length direction of the cross beam (01);

the drum (2) is used for winding a cable (B) and is fixed on the bottom frame (1), and the rotating shaft of the drum (2) is vertical to the length direction of the beam (01);

the steering wheel (3) is arranged right in front of the drum (2), the projection of the rotating shaft of the steering wheel (3) and the projection of the rotating shaft of the drum (2) on the ground are mutually vertical, and the steering wheel (3) is used for steering the cable (B) for 90 degrees;

the wiring wheel (4) is arranged on one side of the steering wheel (3), and an acute included angle is formed between a rotating shaft of the wiring wheel (4) and the ground so that the front end of the wiring wheel (4) is lower than the rear end of the wiring wheel;

a plurality of cables hold in the palm (5), set gradually on interval roof beam (02), cable holds in the palm (5) and is the L type, and cable (B) falls into cable after wiring wheel (4) and holds in the palm (5).

2. The cable distribution guide device applied to the tower crane walking trolley according to claim 1, is characterized in that: the underframe comprises at least one intermediate beam (13), the drum (2) being arranged between the intermediate beam (13) and underframe (1).

3. The cable distribution guide device applied to the tower crane walking trolley according to claim 1, characterized in that: be applied to cable laying guider of tower crane walking dolly still includes pinch roller (6), pinch roller (6) with directive wheel (3) are circumscribed in one side of inlet wire pinch roller (6) with the tangent department of directive wheel (3) forms the passageway that power cable (B) passed through.

4. The cable distribution guide device applied to the tower crane walking trolley according to claim 3, wherein: a tensioning wheel (7) is arranged between the wiring wheel (4) and the steering wheel (3), and the tensioning wheel (7) is used for tensioning a cable (B).

5. The cable distribution guide device applied to the tower crane walking trolley according to claim 1, characterized in that: one side of the wiring wheel (4) far away from the steering wheel (3) is provided with a line pressing column (8), and the line pressing column (8) is arranged in contact with the wiring wheel (4) so as to limit the cable (B) in a groove of the wiring wheel (4).

6. The cable distribution guide device applied to the tower crane walking trolley according to claim 1, characterized in that: the drum (2) is a cable drum driven by a volute spiral spring.

7. The cable distribution guide device applied to the tower crane walking trolley according to claim 1, is characterized in that: the cable holds in the palm (5) including long arm (51), short arm (52) and connect the linking arm (53) of long arm (51) and short arm (52), the top fixed connection of long arm (51) is on spacer beam (02), long arm (51) with short arm (52) parallel arrangement, the cable holds in the palm (5) and forms the opening that is used for cable (B) to fall into.

8. The cable distribution guide device applied to the tower crane walking trolley according to claim 7, is characterized in that: the roller type roller device is characterized in that a transverse roller column (54) is arranged above the connecting arm (53), the transverse roller column (54) is parallel to the connecting arm (53), switching portions (55) are arranged at two ends of the transverse roller column (54), two switching portions (55) are fixedly arranged on the long arm (51) and the short arm (52), the transverse roller column (54) can rotate relative to the switching portions (55), a long roller column (56) is arranged on the switching portion (55) close to one end of the long arm (51), the long roller column (56) is parallel to the long arm (51), the long roller column (56) is rotatably arranged on the switching portions (55), a short roller column (57) is arranged on the switching portion (55) close to one end of the short arm (52), the short roller column (57) is parallel to the short arm (52), and the short roller column (57) is rotatably arranged on the switching portions (55).

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