CN211419392U

CN211419392U - Tower crane channel

Info

Publication number: CN211419392U
Application number: CN201922326387.0U
Authority: CN
Inventors: 周建军
Original assignee: Beijing Longtai Mechanical Equipment Installation Co ltd
Current assignee: Beijing Longtai Mechanical Equipment Installation Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-04
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a tower crane channel, which comprises a channel, wherein one end of the channel is connected with a tower body, the other end of the channel is connected with a building, the channel comprises a fixed part positioned in the building and a suspended part positioned outside the building, the fixed part and the length direction of the suspended part are fixedly connected with the opposite end, a support frame is fixed on the building, two fixed pulleys are fixedly arranged on the support frame, steel wire ropes are connected on the fixed pulleys, one end of each steel wire rope is connected with the suspended part, and the other end of each steel wire rope is connected with a tensioning mechanism; the fixed part is connected with a limiting mechanism connected with a building. The utility model discloses have the effect that reduces the passageway and to body of the tower effort.

Description

Tower crane channel

Technical Field

The utility model belongs to the technical field of tower crane auxiliary device's technique and specifically relates to a tower crane passageway is related to.

Background

The tower crane is a necessary construction device for construction sites of building engineering and mainly comprises a tower body, an operation arm and an operation room. The tower body is formed by splicing one section of standard section, and the standard section is of a cuboid structure consisting of a vertical upright post, a transverse connecting post and an oblique pull rod. Along with building floor height's increase during the construction, tower crane's height also risees gradually, and tower crane height's increase has not only increased the degree of difficulty that the tower crane driver scrambleed the tower crane, has increased the danger of climbing in-process moreover. Therefore, along with the rising of floor height, if can begin to scramble the tower crane at the floor that is close the tower crane control chamber height slightly, will shorten the distance that driver personnel scrambleed, just so can reduce the climbing time greatly, also can reduce the danger of climbing in-process.

The prior Chinese utility model with the publication number of CN208932848U discloses a tower crane channel, which comprises a support body for people to pass through, guardrails respectively connected with two sides of the support body, a pull rope with two ends respectively connected with the support body and a tower body, and a connecting buckle arranged at one end part of the support body and used for connecting with the tower body, wherein the guardrail and the support body are rotationally connected around the length direction of the support body; the tower crane passageway is still including setting up the anti-skidding subassembly on the tower body, and the anti-skidding subassembly is including being used for the cover to establish the connection fastener on the tower body member, the fixed first side shield that sets up on connecting the fastener, with be connected fastener articulated second side shield and with second side shield fixed connection and with first side shield can dismantle the top baffle of being connected, connect fastener, first side shield, second side shield and top baffle and be used for enclosing into the hole that the stay cord can pass. The supporting body can be prevented from being excessively moved out of the standard section of the tower body during installation, and the supporting body can be further pulled during use.

The above prior art solutions have the following drawbacks: one end of the existing channel is connected with a building, the other end of the existing channel is connected with the tower body in an overlapping mode, certain acting force is generated on the tower body, when workers walk on the channel, the acting force of the channel on the tower body is further increased, and the structural stability of the tower body is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tower crane passageway, it has the effect that reduces the passageway to tower body effort.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tower crane channel comprises a channel, wherein one end of the channel is connected with a tower body, the other end of the channel is connected with a building, the channel comprises a fixing part and a hanging part, the fixing part is located in the building, the hanging part is located outside the building, the fixing part and one end, which is opposite to the fixing part, in the length direction of the hanging part are fixedly connected, a support frame is fixed on the building, two fixed pulleys are fixedly arranged on the support frame, the fixed pulleys are both connected with a steel wire rope, one end of the steel wire rope is connected with the hanging part, and the other end of the steel wire rope is connected with a tensioning; the fixed part is connected with a limiting mechanism connected with a building.

Through adopting above-mentioned technical scheme, the fixed part is placed in the building, the support frame is fixed in the building, be connected wire rope's one end and free portion, wire rope's the other end is connected with straining device, remove free portion until free portion one end overlap joint on the tower body of fixed part dorsad, use and realize straining device and compress tightly fixed part and building and be connected, use straining device to exert the effect to free portion, stop gear and straining device exert the effort to the passageway simultaneously, keep the stability of passageway, stop gear and straining device exerted effort can reduce free portion to the tower body effort when keeping the passageway stable, reduce the effect of passageway to the tower body.

The utility model discloses further set up to: fixed part width direction's both sides are provided with stop gear, stop gear includes the connection slat of being connected with ground and is fixed in the spacing angle steel on the connection slat, the relative surface of spacing angle steel and fixed part width direction's two surface contact, two spacing angle steel opening is towards ground, the inboard surface towards ground of spacing angle steel and the fixed part surface contact on the ground dorsad.

Through adopting above-mentioned technical scheme, the fixed part is placed in ground back, places spacing angle steel in the fixed part both sides, will connect the slat fixed with ground, compresses tightly spacing angle steel and connection slat to be connected, and the fixed part of being convenient for is connected with compressing tightly of building.

The utility model discloses further set up to: the connecting lath is provided with a connecting bolt in threaded connection with a building in a penetrating way, and the connecting bolt is in compression connection with the upper surface of the connecting lath.

By adopting the technical scheme, the connecting lath is fixed with the building by using the connecting bolt, the connecting position is convenient to adjust and the connection is convenient.

The utility model discloses further set up to: the tensioning mechanism comprises a rotating shaft, the rotating shaft is rotatably connected with a building, and the rotating shaft rotates around the axis of the rotating shaft; the tensioning mechanism comprises a ratchet wheel fixed on the rotating shaft, the tensioning mechanism comprises a pawl meshed with the ratchet wheel, and the pawl is rotatably connected with the fixing part.

Through adopting above-mentioned technical scheme, the axis of rotation rotates, drives the ratchet rotation when the axis of rotation rotates, can further twine wire rope on the axis of rotation when the axis of rotation rotates, and the pawl restriction axis of rotation counter-rotation to keep wire rope in the tensioning state, keep wire rope to the taut effect of suspended portion.

The utility model discloses further set up to: the side surface of the rotating shaft is provided with a driving hole arranged along the radial direction of the rotating shaft, and a driving rod for driving the rotating shaft to rotate penetrates through the driving hole.

Through adopting above-mentioned technical scheme, insert the actuating lever in the drive hole, exert the effort to the actuating lever, the actuating lever drives the axis of rotation and revolves axis of rotation circumferential direction to realize the actuating lever to the drive of axis of rotation, through the actuating lever of the different length of adjustment, can adjust the effort of exerting the actuating lever when driving the axis of rotation and rotating.

The utility model discloses further set up to: and the two steel wire ropes are connected to the same rotating shaft.

By adopting the technical scheme, the acting force of the steel wire rope on the suspension part is stable, and the two steel wire ropes can be synchronously wound and unwound.

The utility model discloses further set up to: the position where the steel wire rope is connected with the suspended part is located in the middle of the suspended part along the length direction of the suspended part.

By adopting the technical scheme, the steel wire rope generates acting force on the suspended part, so that the moment generated by the acting force on the suspended part when a person walks on the suspended part can be reduced, and the stability of the structure of the suspended part is improved.

The utility model discloses further set up to: the suspension part is fixedly provided with a reinforcing rod, the pressing mechanism comprises two pressing plates which are positioned on two sides of the reinforcing rod and two sides of the vertical direction of the tower body cross beam, the pressing mechanism comprises a fastening bolt which penetrates through the pressing plates, and a fastening nut is connected to the fastening bolt through threads.

Through adopting above-mentioned technical scheme, put the clamp plate in the tower body crossbeam and the stiffener outside, pass two clamp plates with fastening bolt after, with fastening nut and fastening bolt threaded connection, realize compressing tightly between clamp plate, stiffener, the tower body and be connected.

To sum up, the utility model discloses a following at least one beneficial effect:

1. the fixing part is placed in a building, the support frame is fixed on the building, one end of the steel wire rope is connected with the suspended part, the other end of the steel wire rope is connected with the tensioning mechanism, the suspended part is moved until one end of the suspended part, back to the fixing part, is lapped on the tower body, the fixing part and the building are tightly pressed and connected by the tensioning mechanism, the tensioning mechanism exerts action on the suspended part, the limiting mechanism and the tensioning mechanism simultaneously exert action force on the channel to keep the channel stable, the action force exerted by the limiting mechanism and the tensioning mechanism can reduce the action force of the suspended part on the tower body while keeping the channel stable, and the action of the channel on the tower body is reduced;

2. the rotating shaft rotates, the ratchet wheel is driven to rotate when the rotating shaft rotates, the steel wire rope can be further wound on the rotating shaft when the rotating shaft rotates, and the pawl limits the rotating shaft to rotate reversely, so that the steel wire rope is kept in a tensioning state, and the steel wire rope is kept in a tensioning effect on the suspended part;

3. the driving rod is inserted into the driving hole, acting force is applied to the driving rod, the driving rod drives the rotating shaft to rotate around the circumferential direction of the rotating shaft, and therefore driving of the driving rod to the rotating shaft is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a use state of the embodiment;

FIG. 2 is a schematic view of the entire structure of the embodiment;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

In the figure, 1, channel; 11. a fixed part; 12. a suspended portion; 13. a pedal; 14. a vertical rod; 15. a cross bar; 2. a support frame; 21. a fixed pulley; 22. a wire rope; 3. a tensioning mechanism; 31. a rotating shaft; 311. a drive aperture; 32. a drive rod; 33. a ratchet wheel; 34. a pawl; 35. a support plate; 36. a torsion spring; 4. a hold-down mechanism; 41. pressing a plate; 42. fastening a bolt; 43. fastening a nut; 5. a limiting mechanism; 51. connecting the ribbon boards; 52. limiting angle steel; 53. a connecting bolt; 6. a building; 7. a tower body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1, for the utility model discloses a tower crane passageway, including passageway 1, passageway 1 one end is connected with body of the tower 7, and the passageway 1 other end is connected with building 6.

Referring to fig. 2 and 3, the tunnel 1 includes a fixed portion 11 located inside the building 6 and a suspended portion 12 located outside the building 6, the fixed portion 11 is a rectangular frame, and opposite ends of the fixed portion 11 and the suspended portion 12 in the longitudinal direction are welded.

Referring to fig. 3, free portion 12 includes two stiffeners that set up along 11 width direction intervals of fixed part, and stiffener length is parallel to each other, and the stiffener is square pole, and the both ends of stiffener length direction have all been welded and have been stabilized the pole, and the firm pole both ends weld with two stiffeners respectively, and the firm pole is located between two stiffeners, and stiffener and dead lever enclose into rectangular frame. Set firmly between two stiffeners and be provided with footboard 13 along its length direction interval, set firmly the protection network between the stiffener, the protection network is located footboard 13 below, the stiffener upper surface sets firmly montant 14, montant 14 sets up along vertical direction, montant 14 is provided with a plurality ofly along stiffener length direction interval, the one end of stiffener on the montant 14 on the same stiffener dorsad has set firmly a horizontal pole 15, horizontal pole 15 sets up along utmost point stiffener length direction.

The suspended part 12 is detachably connected with a tensioning mechanism 3 connected with the tower body 7. The tensioning mechanism 3 comprises two pressing plates 41 which are positioned on two sides of the reinforcing rod and the cross beam of the tower body 7 in the vertical direction, the tensioning mechanism 3 comprises two fastening bolts 42 penetrating through the pressing plates 41, the fastening bolts 42 are positioned at two ends of the pressing plates 41 in the length direction, fastening nuts 43 are connected to the fastening bolts 42 in a threaded mode, the fastening nuts 43 are tightly pressed with one of the pressing plates 41, nuts of the fastening bolts 42 are tightly pressed with the other pressing plate 41, and the reinforcing rod and the cross beam of the tower body 7 are tightly pressed and connected through the two pressing plates 41.

Referring to fig. 3, fixed part 11 width direction's both sides are provided with stop gear 5, and stop gear 5 includes the connection slat 51 of being connected with ground and integrated into one piece in the spacing angle steel 52 of being connected on slat 51, and spacing angle steel 52 is L type angle steel, and connection slat 51 is the rectangular shape board, and spacing angle steel 52 constitutes Z type structure with connection slat 51. Connecting bolts 53 connected with the building 6 are arranged at intervals along the length direction of the connecting strip plate 51 in a penetrating manner, the opposite surfaces of the limiting angle steels 52 are in contact with the two surfaces in the width direction of the fixing part 11, the openings of the two limiting angle steels 52 face the ground, and the surfaces, facing the ground, of the inner sides of the limiting angle steels 52 are in contact with the surface, facing away from the ground, of the fixing part 11.

Referring to fig. 2, a support frame 2 is fixed on a building 6, the support frame 2 is a door-shaped frame, support diagonal rods fixed to the building 6 are fixedly arranged at two ends of the support frame 2 along the length direction of a fixing portion 11, two fixed pulleys 21 are fixedly arranged on the support frame 2, the fixed pulleys 21 are arranged at intervals along the width direction of the fixing portion 11, steel wire ropes 22 are connected to the fixed pulleys 21, the steel wire ropes 22 are tightly pressed on the outer side surfaces of the fixed pulleys 21, one ends of the steel wire ropes 22 are connected to a suspended portion 12, the positions, connected with the suspended portion 12, of the steel wire ropes 22 are located in the middle of the suspended portion 12 along the length direction of the suspended portion, fixing plates connected with the steel wire ropes 22 are welded to the suspended portion 12, and the other.

Referring to fig. 2 and 4, the tensioning mechanism 3 includes a rotating shaft 31 fixed to the wire ropes 22, the two wire ropes 22 are connected to the same rotating shaft 31, the rotating shaft 31 is rotatably connected to the building, the rotating shaft 31 rotates around its own axis, bearings are sleeved at both ends of the rotating shaft 31, a support plate 35 is disposed outside the bearings, the support plate 35 is an L-shaped plate with opposite openings, the support plate 35 is connected to the building 6 by screws, the rotating shaft 31 is limited by the support plate 35 to rotate around its own axis, a retaining ring fixed to the rotating shaft 31 is sleeved in the middle of the rotating shaft 31 in the length direction, and the retaining ring separates the two wire. The side surface of the rotating shaft 31 is provided with a driving hole 311 arranged along the radial direction, and a driving rod 32 for driving the rotating shaft 31 to rotate around the axis of the rotating shaft is arranged in the driving hole 311 in a penetrating manner.

The tensioning mechanism 3 comprises a ratchet wheel 33 fixed on the rotating shaft 31, the ratchet wheel 33 is coaxial with the rotating shaft 31, the ratchet wheel 33 is arranged outside two supporting plates 35, the tensioning mechanism 3 comprises a pawl 34 meshed with the ratchet wheel 33, and the pawl 34 is rotatably connected with the fixing part 11. A fixed shaft penetrates through the pawl 34, the fixed shaft is parallel to the rotating shaft 31 and is fixed on the supporting plate 35, the pawl 34 rotates around the axis of the fixed shaft, a torsion spring 36 is sleeved on the fixed shaft, one end of the torsion spring 36 is connected with the pawl 34, the other end of the torsion spring 36 is connected with a fixed disc fixed on the fixed shaft, the torsion spring 36 applies clockwise acting force to the pawl 34 along the axis of the fixed shaft, and the pawl 34 is prevented from rotating anticlockwise when being meshed with the ratchet wheel 33.

The implementation principle of the above embodiment is as follows:

the fixing portion 11 is placed in the building 6, the support frame 2 is fixed on the building 6, one end of a steel wire rope 22 is connected with the suspended portion 12, the other end of the steel wire rope 22 is connected with the tensioning mechanism 3, the suspended portion 12 is moved until one end, back to the fixing portion 11, of the suspended portion 12 is lapped on the tower body 7, the fixing portion 11 is tightly pressed and connected with the building 6 through the tensioning mechanism 3, the suspended portion 12 is acted through the tensioning mechanism 3, the limiting mechanism 5 and the tensioning mechanism 3 exert acting force on the channel 1 at the same time, the stability of the channel 1 is kept, the acting force exerted by the limiting mechanism 5 and the tensioning mechanism 3 can reduce the acting force of the suspended portion 12 on the tower body 7 while keeping the channel 1 stable, and the action of the channel 1 on the tower body 7 is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a tower crane passageway, includes passageway (1), passageway (1) one end is connected with body of the tower (7), the passageway (1) other end is connected its characterized in that with building (6): the channel (1) comprises a fixing part (11) located in a building (6) and a suspended part (12) located outside the building (6), wherein the fixing part (11) and one opposite end of the suspended part (12) in the length direction are fixedly connected, a support frame (2) is fixed on the building (6), two fixed pulleys (21) are fixedly arranged on the support frame (2), steel wire ropes (22) are connected to the fixed pulleys (21), one end of each steel wire rope (22) is connected to the suspended part (12), and the other end of each steel wire rope (22) is connected with a tensioning mechanism (3);

the fixing part (11) is connected with a limiting mechanism (5) connected with a building (6).

2. The tower crane passageway of claim 1, characterized in that: fixed part (11) width direction's both sides are provided with stop gear (5), stop gear (5) include with ground connection slat (51) and be fixed in spacing angle steel (52) on connecting slat (51), spacing angle steel (52) relative surface and fixed part (11) width direction's two surface contact, two spacing angle steel (52) opening is towards ground, the surface on spacing angle steel (52) inboard towards ground and fixed part (11) surface contact on ground dorsad.

3. The tower crane passageway of claim 2, characterized in that: the connecting lath (51) is provided with a connecting bolt (53) in threaded connection with the building (6), and the connecting bolt (53) is in compression connection with the upper surface of the connecting lath (51).

4. The tower crane passageway of claim 1, characterized in that: the tensioning mechanism (3) comprises a rotating shaft (31), the rotating shaft (31) is rotatably connected with the building (6), and the rotating shaft (31) rotates around the axis of the rotating shaft;

the tensioning mechanism (3) comprises a ratchet wheel (33) fixed on the rotating shaft (31), the tensioning mechanism (3) comprises a pawl (34) meshed with the ratchet wheel (33), and the pawl (34) is rotatably connected with the fixing portion (11).

5. The tower crane passageway of claim 4, characterized in that: the side surface of the rotating shaft (31) is provided with a driving hole (311) arranged along the radial direction of the rotating shaft, and a driving rod (32) for driving the rotating shaft (31) to rotate penetrates through the driving hole (311).

6. The tower crane passageway of claim 4, characterized in that: the two steel wire ropes (22) are connected to the same rotating shaft (31).

7. The tower crane passageway of claim 1, characterized in that: the position where the steel wire rope (22) is connected with the suspended part (12) is located in the middle of the suspended part (12) along the length direction of the suspended part.

8. The tower crane passageway of claim 1, characterized in that: the suspension part (12) is fixedly provided with a reinforcing rod, the pressing mechanism (4) comprises two pressing plates (41) which are positioned on two sides of the reinforcing rod and two sides of the vertical direction of the cross beam of the tower body (7), the pressing mechanism (4) comprises a fastening bolt (42) which penetrates through the pressing plates (41), and the fastening bolt (42) is connected with a fastening nut (43) through threads.