CN218261678U - Tower top limited space large cantilever hoisting falsework - Google Patents

Abstract

The utility model provides a big cantilever hoist and mount falsework in top of tower finite space, includes the fixed main tributary strut that sets up in pier tower top, the main tributary strut includes stand frame, two crossbearers, vice support frame and cantilever beam, the stand frame is vertical set up in pier tower top, two the crossbearer passes the middle part of stand frame and with the fixed setting of stand frame, two the one end of crossbearer is stretched out the stand frame, the cantilever beam is fixed set up in the top of stand frame, the one end of cantilever beam is followed the crossbearer stretches out the length direction of stand frame one end stretches out the stand frame, the fixed work platform that is provided with in top of cantilever beam, work platform corresponds the cantilever beam is the frame type setting, both sides on the work platform are followed work platform's length direction slides and is provided with the removal seat, it is fixed to be provided with hoist and mount subassembly on the removal seat. Through the main tributary strut that this application provided, its bearing capacity can bear the weight of cable saddle to can hoist cable saddle.

Description

Tower top limited space large cantilever hoisting falsework

Technical Field

The application relates to the field of tower top hoisting, in particular to a large cantilever hoisting falsework for a limited space at the tower top.

Background

The cable saddle is a structure which is specially used for supporting the suspension cable around the tower top and enabling the main cable to change direction smoothly. The cable saddle is generally divided into a main cable saddle and a cable-scattering saddle, wherein the main cable saddle mainly transmits huge pressure transmitted by a main cable to a main tower, and the cable-scattering saddle mainly changes the force transmission direction of the main cable and disperses the main cable into cable strands to be respectively anchored on an anchor.

In the related art, the upper seat of the cable saddle is composed of rib-shaped cast steel blocks, and a cable groove is arranged on the upper seat for placing the suspension cable. In the cable saddle of the rigid bridge tower, a row of roll shafts are generally arranged below an upper seat, and a lower seat bottom plate is arranged below the roll shafts, so that concentrated loads transmitted by the roll shafts are better distributed on the tower column.

However, the cable saddle foundry goods is heavier generally more than one hundred tons, when need with cable saddle fortune pier top, if use the tower crane, the bearing capacity of tower crane is less than the weight of cable saddle far away, then the tower crane can't hoist the cable saddle.

SUMMERY OF THE UTILITY MODEL

In order to improve the weight that the bearing capacity of current tower crane is far less than the cable saddle to the phenomenon that can't hoist the cable saddle, this application provides a big cantilever hoisting falsework in tower top finite space.

The application provides a tower top finite space large cantilever hoisting falsework which adopts the following technical scheme:

the utility model provides a big cantilever hoist and mount falsework in top of tower finite space, includes the fixed main tributary strut that sets up in pier tower top, the main tributary strut includes stand frame, two crossbeams, vice support frame and cantilever beam, the stand frame is vertical to be set up in pier tower top, two the crossbeams pass the middle part of stand frame and with the stand frame is fixed to be set up, two the one end of crossbeams stretches out the stand frame, the frame end and two of stand frame the crossbeams stretch out be provided with two big bracings between the one end of stand frame respectively, the cantilever beam is the square frame form setting, the cantilever beam is fixed set up in the top of stand frame, the one end of cantilever beam is followed the crossbeams stretch out the length direction of stand frame one end stretches out the stand frame, the fixed work platform that is provided with in top of cantilever beam, work platform corresponds the cantilever beam is the frame type setting, both sides on the work platform are followed work platform's length direction slides and is provided with the removal seat, the fixed hoist and mount saddle subassembly that is used for hoisting cable on the removal seat.

Through adopting above-mentioned technical scheme, enclose to establish into the main tributary strut through the cooperation between stand frame, two crossbearers, auxiliary stay frame and the cantilever beam at mound tower top, and form a plurality of triangle-shaped structure through between a plurality of little bracing and the main tributary strut to the stability of reinforcing support frame. When the cable saddle needs to be hoisted, the hoisting assembly slides to one end, far away from the pier tower, of the working platform through the moving seat, so that the hoisting assembly hoists the cable saddle, the cable saddle is further hoisted to be higher than the top of the pier tower, the moving seat drives the hoisting assembly to slide to one end, close to the pier tower, and the hoisting assembly drives the cable saddle to move to the position above the top of the pier tower; and then the hoisting assembly drives the cable saddle to move downwards to the top of the pier tower, so that the whole process of hoisting the cable saddle is completed, the main support frame can bear the weight of the cable saddle through the support among all the parts in the main support frame, and the cable saddle can be hoisted.

Preferably, the stand frame includes two first stands and two second stands, first stand with still anchor between the second stand has a plurality of little bracing, little bracing the stull and form the triangle-shaped structure between the stand, vice support frame set up in cantilever beam with between the stull, just vice support frame with cantilever beam and form a plurality of triangle-shaped structure between the stull.

Through adopting above-mentioned technical scheme, form a plurality of triangle-shaped structure between first stand, second stand, little bracing and the stull for the stand frame supports more stably, makes its support more stable through a plurality of triangle-shaped structures in the auxiliary stay frame.

Preferably, the hoisting assembly comprises a winch fixedly arranged on the moving seat, a steel wire rope is wound at the winding end of the winch, one end of the steel wire rope extends downwards to the ground, and a pulley block is arranged between the moving seat and the steel wire rope.

Through adopting above-mentioned technical scheme, when hoist and mount the cable saddle, the winding end pair wire rope of hoist engine is put the rope to wire rope drives the assembly pulley and moves down to ground, colludes and holds the cable saddle, and the winding end pair wire rope of rethread winch is put the rope, thereby drives the assembly pulley through wire rope, and then hangs the cable saddle.

Preferably, the assembly pulley includes fixed pulley and movable pulley, the fixed pulley is fixed remove the bottom of seat, the movable pulley seat of movable pulley is connected with the claw that colludes that is used for colluding holding the cable saddle, wire rope's one end downwardly extending walks around behind the movable pulley, upwards extend and walk around the fixed pulley, then continue downwardly extending to connect in the movable pulley seat of movable pulley.

Through adopting above-mentioned technical scheme, when hoist and mount the cable saddle, the winding end pair wire rope of hoist engine is played to wire rope drives the movable pulley downstream to ground, colludes the back of holding through colluding the claw to the cable saddle, and the hoist engine is received wire rope, thereby drives movable pulley upward movement, and then stops when hoisting the cable saddle to the height ratio pier tower top.

Preferably, a connecting rod is arranged on a fixed pulley seat of the fixed pulley, a connecting seat is fixedly arranged at the bottom of the moving seat, a connecting groove for the connecting rod to be inserted is vertically formed in the connecting seat, and the connecting rod is inserted into the connecting groove and then fixed through a bolt.

Through adopting above-mentioned technical scheme, the bolt passes behind the both sides of connecting rod and connecting seat bolted connection to with fixed pulley and removal seat fixed connection, and then to the hoist and mount in-process of cable saddle, make the removal that removes the seat can drive the removal of fixed pulley, thereby drive the removal of cable saddle.

Preferably, the pot head that mound tower was kept away from to the stull is equipped with the sleeve, pressure sensor is worn to be equipped with by telescopic lateral wall, pressure sensor's sense terminal penetrates in the sleeve and butt in the lateral wall of stull, pressure sensor electric connection has the controller, controller electric connection has the warning light, the warning light fixed set up in the sleeve is outside.

Through adopting above-mentioned technical scheme, when the pressure that work platform bore was too big, the stull of connecting through the auxiliary stay frame can't support work platform to when taking place deformation in the stull, pressure sensor passes to the controller with pressure signal, and the controller converts pressure signal into alarm signal and passes to the warning light, thereby the warning light lights and sends alarm signal.

Preferably, the protruding pedestrian steel sheet that is equipped with in work platform both sides, the pedestrian steel sheet is followed work platform's width direction protrusion work platform is followed work platform's length direction sets up, the lower surface of pedestrian steel sheet evenly is provided with the triangle mount that a plurality of is used for supporting the pedestrian steel sheet, triangle mount fixed connection in work platform's lateral wall.

Through adopting above-mentioned technical scheme, the setting up of pedestrian's steel sheet makes things convenient for constructor to adjust or be under construction the hoist engine on work platform, and the triangle mount carries out fixed stay to pedestrian's steel sheet to make pedestrian's steel sheet more firm.

Preferably, guard railings are arranged around the working platform and are vertically arranged, and limiting blocks used for limiting the moving distance of the winch are further arranged at two ends of the working platform.

By adopting the technical scheme, the protective guard is used for protecting constructors, and the moving distance of the moving seat is limited at the same time, so that the position of the winch is limited, and the moving distance of the moving seat is further limited by the limiting block, so that the position of the winch is further limited.

Preferably, a safety rope is vertically arranged at one end, close to the pier tower, of the working platform, and one end, far away from the working platform, of the safety rope is fixedly connected to the catwalk.

Through adopting above-mentioned technical scheme, when the pressure that work platform bore was too big, the partial pressure in the pressure that one end that work platform kept away from the mound tower bore is offset to the traction effect of catwalk to reduce the incidence of unexpected condition.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the main support frame is surrounded and arranged at the top of the pier tower through the matching among the upright post frame, the two cross braces, the auxiliary support frame and the cantilever beam, and a plurality of triangular structures are formed between the small inclined braces and the main support frame to enhance the stability of the support frame, so that the main support frame can bear the weight of the cable saddle, and can be hoisted through the hoisting assembly.

2. When the pressure that work platform bore was too big, the stull of being connected through oblique stiffener and perpendicular roof beam can't support work platform to when taking place deformation in the stull, pressure sensor passes to the controller with pressure signal, and the controller converts pressure signal into alarm signal and passes to the warning light, thereby the warning light lights and sends alarm signal.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a front view of an embodiment of the present application;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. erecting a tower; 2. a first upright post; 3. a second upright post; 4. a cross brace; 5. a cantilever beam; 6. a small inclined strut; 7. a large inclined strut; 8. an oblique reinforcing rod; 9. erecting a beam; 10. a working platform; 11. a position avoiding port; 12. a pedestrian steel plate; 13. a triangular fixing frame; 14. a safety rope; 15. protecting the fence; 16. a limiting block; 17. a moving track; 18. a movable seat; 191. a hoist; 192. a wire rope; 1931. a fixed pulley; 1932. a movable pulley; 194. hooking claws; 195. a connecting rod; 196. a connecting seat; 197. connecting grooves; 20. a sleeve; 21. a pressure sensor; 22. a controller; 23. an alarm light; 24. a cable saddle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

A large cantilever hoisting falsework with limited space on the top of a tower, referring to fig. 1, comprises a main support frame fixedly arranged on the top of a pier tower 1, wherein the main support frame is vertically arranged, and the bottom end of the main support frame is anchored on the top of the pier tower 1.

Referring to fig. 1, the main support frame includes a first column 2 anchored at the top of a pier tower 1, a second column 3, a wale 4, and a cantilever beam 5. Wherein, the quantity of first stand 2, second stand 3 and stull 4 is two, and two first stands 2 and two second stands 3 enclose and establish and form square stand frame, and two stulls 4 pass the middle part of stand frame and with stand frame anchor joint. One end of each cross brace 4 extends out of the column frame by a length which is approximately twice the width between the first column 2 and the second column 3. A plurality of small inclined struts 6 are further anchored between the first upright post 2 and the second upright post 3, and a triangular structure is formed among the small inclined struts 6, the cross struts 4 and the upright posts, so that the stability of the upright post frame is enhanced.

Referring to fig. 1, two large inclined struts 7 are respectively anchored between the bottom of the upright post frame and one ends of the two cross struts 4 extending out of the upright post frame, the large inclined struts 7 are used for supporting one ends of the two cross struts 4 extending out of the upright post frame, and one ends of the two large inclined struts 7 are respectively anchored in the middle parts of the two ends of the two cross struts 4 extending out of the upright post frame.

Referring to fig. 1, the cantilever beam 5 is arranged in a square frame shape, the cantilever beam 5 is anchored at the top of the column frame, one end of the cantilever beam 5 extends out of the column frame along the length direction of one end of the cross brace 4 extending out of the column frame, and the length of the end extending out of the column frame is longer than that of one end of the cross brace 4 extending out of the column frame.

Referring to fig. 1, two auxiliary support frames are anchored between one end of the cantilever beam 5 extending out of the column frame and one end of the two cross braces 4 extending out of the column frame, and a plurality of triangular structures are formed among the auxiliary support frames, the cantilever beam 5 and the cross braces 4. Specifically, the auxiliary support frame comprises two inclined reinforcing rods 8, a plurality of small inclined struts 6 and a plurality of vertical beams 9, the inclined reinforcing rods 8 are used for supporting the end portions of the cantilever beams 5 extending out of one ends of the upright post frames, and the small inclined struts 6 and the vertical beams 9 are distributed alternately, so that the stability between the cantilever beams 5 and the cross struts 4 is enhanced.

Referring to fig. 1, a working platform 10 is fixedly disposed above the cantilever beam 5, and the working platform 10 is disposed in a frame shape corresponding to the cantilever beam 5. The working platform 10 is provided with a position avoiding port 11, the position avoiding port 11 penetrates through the upper surface and the lower surface of the working platform 10, and the position avoiding port 11 is formed along the length direction of the working platform 10.

Referring to fig. 1, pedestrian steel plates 12 used for workers to walk are convexly arranged on two sides of a working platform 10, the pedestrian steel plates 12 protrude out of the working platform 10 along the width direction of the working platform 10 and are arranged along the length direction of the working platform 10, a plurality of triangular fixing frames 13 used for supporting the pedestrian steel plates 12 are arranged below the pedestrian steel plates 12, and the triangular fixing frames 13 are evenly distributed along the length direction of the pedestrian steel plates 12. Two right-angle sides of the triangular fixing frame 13 are respectively fixedly arranged at the bottom of the pedestrian steel plate 12 and connected to the side wall of the working platform 10 through bolts, and the oblique sides of the triangular fixing frame 13 are used for enhancing the stability of the triangular fixing frame 13 for supporting the pedestrian steel plate 12.

Referring to fig. 2, two safety ropes 14 are respectively vertically arranged on two sides of the working platform 10 close to one end of the pier tower 1, and the other ends of the two safety ropes 14 are respectively fixedly connected to two sides of the catwalk, so that when the pressure borne by the working platform 10 is too large, partial pressure in the pressure borne by one end of the working platform 10 far away from the pier tower 1 is offset through the traction effect of the catwalk, and the occurrence rate of accidents is reduced.

Referring to fig. 2, guard rails 15 are further respectively disposed around the working platform 10, the guard rails 15 are used for protecting constructors and limiting the moving distance of the moving seat 18, and the guard rails 15 are vertically disposed.

Referring to fig. 1, two moving rails 17 are respectively disposed on two sides of the working platform 10 along the length direction of the avoiding opening 11, the length of the moving rail 17 corresponds to the length of the avoiding opening 11, and the two moving rails 17 are respectively disposed on two sides of the avoiding opening 11. A moving seat 18 is erected on the two moving rails 17, and both ends of the moving seat 18 are respectively in sliding fit with the two moving rails 17. The two ends of the moving track 17 are further provided with a limiting block 16, and the limiting block 16 is used for limiting the moving distance of the moving seat 18.

Referring to fig. 2, a lifting assembly is fixedly disposed on the movable base 18. Specifically, the hoisting component comprises a winch 191, a steel wire rope 192 is wound around the winding end of the winch 191, and one end of the steel wire rope 192 extends downwards to the ground so as to hoist the cable saddle 24. In order to make the hoisting process more stable and labor-saving, a pulley block is arranged between the moving seat 18 and the steel wire rope 192. Specifically, the pulley block includes a fixed pulley 1931 and a movable pulley 1932. Wherein, fixed pulley 1931 is fixed in the bottom that removes seat 18, and the movable pulley 1932 seat of movable pulley 1932 is connected with the claw 194 that colludes and hold cable saddle 24, and wire rope 192's one end downwardly extending and around movable pulley 1932 back upwards extends around fixed pulley 1931, then continues downwardly extending to the movable pulley 1932 seat of being connected in movable pulley 1932.

Specifically, referring to fig. 3, a connecting rod 195 is arranged on a fixed pulley 1931 seat of the fixed pulley 1931, a connecting seat 196 is fixedly arranged at the bottom of the movable seat 18, a connecting groove 197 for the connecting rod 195 to be inserted is vertically arranged on the connecting seat 196, and the connecting rod 195 is inserted into the connecting groove 197 and then fixed through a bolt.

Referring to fig. 2, when the cable saddle 24 is hoisted, the winch 191 slides to one end of the working platform 10 far away from the pier tower 1 along the moving rail 17 through the moving seat 18, so that the winding end of the winch 191 releases the steel wire rope 192, the steel wire rope 192 drives the movable pulley 1932 to move downwards to the ground, after the cable saddle 24 is hooked by the hook jaw 194, the winch 191 retracts the steel wire rope 192, the movable pulley 1932 is driven to move upwards, and the cable saddle 24 is hoisted.

Referring to fig. 2, a sleeve 20 is sleeved on one end of the wale 4, which is far away from the pier tower 1, a pressure sensor 21 is arranged on the side wall of the sleeve 20 in a penetrating manner, a detection end of the pressure sensor 21 penetrates into the sleeve 20 and abuts against the side wall of the wale 4, and the pressure sensor 21 is used for detecting pressure generated when the wale 4 deforms. The pressure sensor 21 is electrically connected to a controller 22, the controller 22 is electrically connected to an alarm lamp 23, and the alarm lamp 23 is fixedly disposed outside the sleeve 20. When the pressure born by the working platform 10 is too large, the cross brace 4 connected with the vertical beam 9 through the inclined reinforcing rod 8 cannot support the working platform 10, so that when the cross brace 4 deforms, the pressure sensor 21 transmits a pressure signal to the controller 22, the controller 22 converts the pressure signal into an alarm signal and transmits the alarm signal to the alarm lamp 23, and the alarm lamp 23 is turned on and sends out the alarm signal.

The implementation principle of the embodiment of the application is as follows: a main support frame is surrounded and arranged at the top of the pier tower 1 through the matching among the upright post frames, the two cross braces 4, the auxiliary support frame and the cantilever beam 5, and a plurality of triangular structures are formed between the main support frame and the plurality of small inclined braces 6 and the plurality of vertical beams 9, so that the stability of the support frame is enhanced.

When the cable saddle 24 needs to be hoisted, the winch 191 slides to one end, far away from the pier tower 1, of the working platform 10 along the moving rail 17 through the moving seat 18, so that the winding end of the winch 191 releases the cable 192, the cable 192 drives the movable pulley 1932 to move downwards to the ground, and after the cable saddle 24 is hooked through the hook claw 194, the winch 191 retracts the cable 192, so that the movable pulley 1932 is driven to move upwards; when the cable saddle 24 is further lifted to a height higher than the top of the pier tower 1, the moving seat 18 drives the winch 191 to slide to one end close to the pier tower 1 along the moving track 17, so that the cable saddle 24 is driven to move to the position above the top of the pier tower 1 by driving the pulley 1932 group through the steel wire rope 192; and then the steel wire rope 192 is unreeled through the reeling end, and the cable saddle 24 is driven to move downwards to the top of the pier tower 1, so that the whole process of hoisting the cable saddle 24 is completed, and the main support frame can bear the weight of the cable saddle 24 and can be hoisted through the support among all the parts in the main support frame.

When the pressure born by the working platform 10 is too large, the cross brace 4 connected with the vertical beam 9 through the inclined reinforcing rod 8 cannot support the working platform 10, so that when the cross brace 4 deforms, the pressure sensor 21 transmits a pressure signal to the controller 22, the controller 22 converts the pressure signal into an alarm signal and transmits the alarm signal to the alarm lamp 23, and the alarm lamp 23 is turned on and sends out the alarm signal.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a big cantilever hoist and mount falsework in top of tower finite space, its characterized in that, including fixed the main tributary strut that sets up at pier tower (1) top, the main tributary strut includes stand frame, two crossbearers (4), vice support frame and cantilever beam (5), the stand frame is vertical to be set up in pier tower (1) top, two crossbearers (4) are passed the middle part of stand frame and with the stand frame is fixed to be set up, two the one end of crossbearer (4) is stretched out the stand frame, the frame end and two of stand frame crossbearers (4) stretch out be provided with two big sprags (7) between the one end of stand frame respectively, cantilever beam (5) are the square frame setting, cantilever beam (5) fixed set up in the top of stand frame, the one end of cantilever beam (5) is followed crossbearer (4) stretch out the length direction of stand frame one end stretches out the stand frame, the top of cantilever beam (5) is fixed and is provided with work platform (10), work platform (10) correspond work frame (5) is the saddle (18) and is used for hoisting assembly (18) are set up along the fixed both sides.

2. The tower top limited space large cantilever hoisting falsework according to claim 1, characterized in that the column frame comprises two first columns (2) and two second columns (3), a plurality of small inclined struts (6) are further anchored between the first columns (2) and the second columns (3), triangular structures are formed among the small inclined struts (6), the cross struts (4) and the columns, the auxiliary support frame is arranged between the cantilever beam (5) and the cross struts (4), and a plurality of triangular structures are formed among the auxiliary support frame, the cantilever beam (5) and the cross struts (4).

3. The tower top limited space large cantilever hoisting falsework of claim 1, characterized in that the hoisting component comprises a winch (191) fixedly arranged on the moving seat (18), a steel wire rope (192) is wound around the winding end of the winch (191), one end of the steel wire rope (192) extends downwards to the ground, and a pulley block is arranged between the moving seat (18) and the steel wire rope (192).

4. The tower top limited space large cantilever hoisting falsework of claim 3, characterized in that the pulley block comprises a fixed pulley (1931) and a movable pulley (1932), the fixed pulley (1931) is fixed at the bottom of the movable seat (18), a hook claw (194) for hooking a cable saddle (24) is connected to the movable pulley (1932) seat of the movable pulley (1932), one end of the steel wire rope (192) extends downwards and bypasses the movable pulley (1932), then extends upwards and bypasses the fixed pulley (1931), and then continues downwards to the movable pulley (1932) seat connected to the movable pulley (1932).

5. The tower top limited space large cantilever hoisting falsework of claim 4, characterized in that the fixed pulley (1931) seat of the fixed pulley (1931) is provided with a connecting rod (195), the bottom of the moving seat (18) is fixedly provided with a connecting seat (196), the connecting seat (196) is vertically provided with a connecting groove (197) for the connecting rod (195) to be inserted, and the connecting rod (195) is inserted in the connecting groove (197) and then fixed by bolts.

6. The tower top limited space large cantilever hoisting falsework according to claim 1, characterized in that one end of the cross brace (4) far away from the pier tower (1) is sleeved with a sleeve (20), the side wall of the sleeve (20) is penetrated with a pressure sensor (21), the detection end of the pressure sensor (21) penetrates into the sleeve (20) and abuts against the side wall of the cross brace (4), the pressure sensor (21) is electrically connected with a controller (22), the controller (22) is electrically connected with an alarm lamp (23), and the alarm lamp (23) is fixedly arranged outside the sleeve (20).

7. The tower top limited space large cantilever hoisting falsework according to claim 1, characterized in that two sides of the working platform (10) are convexly provided with manway steel plates (12), the manway steel plates (12) protrude the working platform (10) along the width direction of the working platform (10) and are arranged along the length direction of the working platform (10), the lower surface of the manway steel plates (12) is uniformly provided with a plurality of fixing frames for supporting the manway steel plates (12), and the fixing frames are fixedly connected to the side walls of the working platform (10).

8. The tower top limited space large cantilever hoisting falsework according to claim 3, characterized in that guard railings (15) are arranged around the working platform (10), the guard railings (15) are vertically arranged, and the two ends of the working platform (10) are further provided with limit blocks (16) for limiting the moving distance of the windlass (191).

9. The tower top limited space large cantilever hoisting falsework according to claim 1, characterized in that a safety rope (14) is vertically arranged at one end of the working platform (10) close to the pier tower (1), and one end of the safety rope (14) far away from the working platform (10) is fixedly connected to the catwalk.

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