Escalator truss hoisting tool

Abstract

The utility model relates to the technical field of truss hoisting, and discloses an escalator truss hoisting tool which comprises a supporting frame, a base is fixedly installed at the lower end of the supporting frame, supporting blocks are fixedly connected to the two sides of the surface of the upper end of the supporting frame respectively, winding rolls are arranged on the opposite centers of the inner sides of the supporting blocks respectively, and steel wire ropes are wound around the outer ends of the winding rolls. A rotating motor is arranged in the center of the surface of the upper end of the supporting frame, the two ends of the rotating motor are fixedly connected to the axis of the outer end of the winding roll correspondingly, and a mounting plate is arranged in the center of the interior of the supporting frame; according to the clamping assembly, a second screw rod can be rotated according to trusses of different sizes, the distance between two arc-shaped plates can be flexibly adjusted, stable clamping is achieved, the universality of the hoisting tool is greatly improved through the adjustability of the height and the size, the trouble that equipment needs to be replaced due to the specification difference of the trusses is reduced, the construction cost is reduced, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss hoisting technical field, concretely is a kind of escalator truss hoisting tool. BACKGROUND

[0002] In modern construction, as an important vertical transport equipment, escalator is widely used in various public places such as shopping malls, subway stations and office buildings, and the hoisting of escalator truss is a key link in the installation process of escalator, and the installation quality and efficiency directly affect the operation safety and stability of the whole escalator system.

[0003] The traditional escalator truss hoisting method has many drawbacks, in terms of height adaptability, many hoisting equipment cannot be flexibly adjusted, and different specifications of equipment are often required for escalator trusses in buildings of different heights, which not only increases the equipment procurement and maintenance cost, but also prolongs the construction preparation time, for example, in some commercial complex projects with large height difference, frequent replacement of hoisting equipment slows down the construction progress; in terms of size compatibility, the previous hoisting tool cannot be accurately matched with various specifications of escalator trusses, and the clamping is often unstable, which causes the escalator truss to shake or even fall during hoisting, not only causing damage to the truss itself, but also seriously threatening the safety of construction personnel; the stability and safety of hoisting process have long plagued the construction industry, the early hoisting equipment has simple structure, and the stress cannot be reasonably distributed during hoisting, which causes uneven stress of escalator truss and easy deformation, and in the process of lifting and descending, there is lack of effective buffer measures, and once the operation is wrong, serious safety accidents will be caused.

[0004] Based on the above-mentioned various deficiencies of the traditional hoisting technology, we provide an escalator truss hoisting tool, which aims to provide a more efficient, safe and flexible solution for the hoisting of escalator truss. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the utility model provides an escalator truss hoisting tool, which solves the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an escalator truss hoisting tool, comprising a support frame, a base is fixedly installed at the lower end of the support frame, support blocks are fixedly connected at both sides of the upper end surface of the support frame, wire reels are arranged at the inner side of the support blocks opposite to the center, steel wire ropes are wound at the outer end of the wire reels, a rotary motor is arranged at the center of the upper end surface of the support frame, and the outer end shafts of the wire reels are fixedly connected at both ends of the rotary motor, wherein an installation plate is arranged at the inner center of the support frame, characterized in that it further comprises;

[0007] The clamping assemblies are arranged on the lower end of the mounting plate and are used for clamping and hoisting the truss.

[0008] Preferably, the support frame is provided with a rope guide hole on each side of the upper end, and a traction sheave is fixedly installed on the central bottom surface of the upper end of the support frame.

[0009] Preferably, the mounting plate is provided with a fixing member on each side of the upper end surface, and a fixed pulley is arranged on the upper end of the fixing member.

[0010] Preferably, the steel wire ropes wound by the two wire reels are fixedly connected to the inside of the traction sheave through the inside of the rope guide hole and the outside of the fixed pulley, respectively.

[0011] Preferably, the clamping assembly comprises a fixed frame, an arc-shaped plate, a screw No. 2, and a limiting nut, the fixed frame is arranged on each side of the lower end of the mounting plate, two arc-shaped plates are arranged in the central inside of the fixed frame, the inside of the two arc-shaped plates is oppositely arranged, a screw No. 2 is fixedly connected to the central outside of the two arc-shaped plates, the limiting nut is threadedly connected to the front end surface of the screw No. 2.

[0012] Preferably, the fixed frame is provided with a screw No. 1 on each side of the upper end surface, the screw No. 1 is extended to the outside of the upper end of the mounting plate through the inside of the through hole of the mounting plate, and a fixing nut is threadedly connected to the upper end surface of the screw No. 1.

[0013] Preferably, the lower end surface of the fixed frame is provided with a mounting groove, a guide plate is arranged in the central inside of the mounting groove, the lower end of the guide plate is extended to the outside of the mounting groove, and a buffer pad is fixedly installed on the outside of the mounting groove, a plurality of buffer springs are arranged on the upper end surface of the guide plate, and the other end of the buffer spring is fixedly connected to the inside bottom surface of the mounting groove.

[0014] Compared with the prior art, the utility model provides a truss hoisting tool

[0015] Beneficial effects:

[0016] The truss hoisting tool can adapt to various complex working conditions, the fixed frame can be moved up and down by adjusting the screw No. 1 and cooperating with the fixing nut, the truss of different heights can be accurately matched, and meanwhile, the screw No. 2 can be rotated to flexibly adjust the distance between the two arc-shaped plates, so that stable clamping is realized, the universality of the hoisting tool is greatly improved, the trouble of replacing equipment due to the difference in the specifications of the truss is reduced, the construction cost is reduced, and the work efficiency is improved.

[0017] In the hoisting process, the structural advantages of the escalator truss hoisting tool are fully displayed, the fixed pulley and the traction wheel work cooperatively, the fixed pulley skillfully changes the direction of the steel wire rope, so that the hoisting force is more reasonably distributed, the traction wheel ensures the stable rising of the escalator truss, and the double-winding disc structure is the key, which ensures that the forces on both sides of the escalator truss are balanced during the rising process, effectively prevents unstable conditions such as tilting and shaking, and plays an important role in the descending stage. The buffer spring in the mounting groove at the lower end of the fixed frame and the buffer pad absorb the impact force and reduce the collision between the truss and the lower contact object, thereby comprehensively ensuring the safety of the hoisting process and reducing the damage risk of the escalator truss caused by unstable hoisting. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a whole structure schematic view of the utility model;

[0019] Fig. 2 It is an installation plate structure schematic view of the utility model;

[0020] Fig. 3 It is a clamping assembly structure schematic view of the utility model.

[0021] In the drawing: 1, support frame; 2, base; 3, rotary motor; 4, support block; 5, winding disc; 6, installation plate; 7, fixed frame; 8, traction wheel; 9, fixed part; 10, fixed pulley; 11, screw one; 12, fixed nut; 13, arc plate; 14, screw two; 15, limit nut; 16, guide plate; 17, buffer pad; 18, buffer spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1-3 An escalator truss hoisting tool, including support frame 1, support frame 1 lower end fixedly installed with base 2, support block 4 is fixedly connected on the both sides of support frame 1 upper end surface respectively, winding disc 5 is arranged on the inner side of support block 4 opposite to the center respectively, steel wire rope is wound on the outer end of winding disc 5, rotary motor 3 is arranged on the center of support frame 1 upper end surface, and the outer end shaft of winding disc 5 is fixedly connected at the both ends of rotary motor 3, wherein installation plate 6 is arranged in the inner center of support frame 1, characterized in that, further comprising;

[0024] Clamping assembly, provided with two, respectively fixedly installed on both sides of the lower end of the mounting plate 6, and used for fixing and clamping the truss.

[0025] Further, the support frame 1 upper end two sides are respectively provided with a rope hole, and a traction sheave 8 is fixedly installed on the central bottom surface of the upper end of the support frame 1.

[0026] Further, the mounting plate 6 upper end surface two sides are respectively fixedly installed with a fixed part 9, and a fixed pulley 10 is arranged on the upper end of the fixed part 9, wherein through holes are respectively arranged on both ends of the upper end surface of the mounting plate 6.

[0027] Further, the two wire winding discs 5 are respectively fixedly connected to the inside of the traction sheave 8 through the inside of the rope hole and the outside of the fixed pulley 10.

[0028] Further, the clamping assembly comprises a fixed frame 7, an arc-shaped plate 13, a screw rod two 14 and a limiting nut 15, the fixed frame 7 is provided with two, respectively arranged on both sides of the lower end of the mounting plate 6, two arc-shaped plates 13 are respectively arranged in the inside central of the fixed frame 7, the inside of the two arc-shaped plates 13 are oppositely arranged, the screw rod two 14 is fixedly connected to the central outside of the two arc-shaped plates 13, the limiting nut 15 is threadedly sleeved on the front end surface of the screw rod two 14.

[0029] Further, the fixed frame 7 upper end surface two sides are respectively fixedly connected with a screw rod one 11, the screw rod one 11 extends to the outside of the upper end of the mounting plate 6 through the inside of the through hole of the mounting plate 6, and the fixed nut 12 is threadedly sleeved on the upper end surface of the screw rod one 11.

[0030] Further, the fixed frame 7 lower end surface is respectively provided with a mounting groove, a guide plate 16 is arranged in the inside central of the mounting groove, the buffer pad 17 is fixedly installed on the outside of the lower end of the guide plate 16, and a plurality of buffer springs 18 are arranged on the upper end surface of the guide plate 16.

[0031] The support frame 1 is the main frame of the whole hoisting tool, is the installation basis of other components, plays a key role in connecting and supporting each part, provides a stable framework for the whole hoisting operation. The rope hole is arranged on both sides of the upper end of the support frame 1, used for guiding the change of direction of the steel wire rope, the traction sheave 8 is fixedly installed on the central bottom surface of the upper end, cooperates to complete the hoisting work.

[0032] The base 2 is fixedly installed on the lower end of the support frame 1, placed on the solid ground, and provides stable support for the whole hoisting tool through large-area contact with the ground, ensures that the tool will not fall during hoisting, and ensures the safety of operation.

[0033] Rotating motor 3: provided on the central upper surface of the support frame 1, and connected to the outer end shaft of the winding disc 5 at both ends, is the core component of power supply, drives the winding disc 5 to rotate through forward and reverse rotation, realizes the winding and release of the steel wire rope, and thus controls the lifting of the escalator truss.

[0034] Support block 4: fixedly connected to the upper surface of the support frame 1 on both sides, mainly used for supporting and positioning the winding disc 5, ensuring the stability of the winding disc 5 during rotation, so that it can smoothly wind and release the steel wire rope.

[0035] Winding disc 5: installed on the inner side of the support block 4 opposite to the center, and the outer end is wound with the steel wire rope, which rotates under the drive of the rotating motor 3, realizes the winding and release of the steel wire rope, and is the key component to control the lifting height of the escalator truss. The double winding disc 5 structure can balance the stress on both sides of the escalator truss.

[0036] Mounting plate 6: provided in the central part of the support frame 1, used for mounting clamping components and other components, plays a connecting and fixing role, and ensures the cooperative work of various components. The upper surface of the mounting plate 6 is fixedly installed with a fixing member 9 on both sides, and through holes are formed at both ends to cooperate with the screw rod 11 to realize the position adjustment of the fixing frame 7.

[0037] Fixing frame 7: there are two, respectively installed on both sides of the lower end of the mounting plate 6, used for installing arc-shaped plates 13 and forming clamping components. The upper surface of the fixing frame 7 is fixedly connected with the screw rod 11 on both sides, and by loosening or tightening the fixing nut 12, the up and down movement can be realized to adapt to escalator trusses of different heights; the lower surface is provided with mounting grooves for installing guide plates 16, buffer pads 17 and buffer springs 18.

[0038] Pulling wheel 8: fixedly installed on the central bottom surface of the support frame 1, the steel wire rope is connected to the inside of the pulling wheel 8 after being guided through the rope guide hole and the fixed pulley 10. When the winding disc 5 winds the steel wire rope, it is pulled to drive the escalator truss to rise, ensuring the stable rise of the escalator truss.

[0039] Fixing member 9: fixedly installed on the upper surface of the mounting plate 6 on both sides, used for installing the fixed pulley 10, and assisting to change the direction of the steel wire rope to make the lifting force more reasonable.

[0040] Fixed pulley 10: installed on the upper end of the fixing member 9, the steel wire rope passes through the fixed pulley 10, further adjusts the stress direction, makes the tension more uniform and stable, and cooperates with the pulling wheel 8 to ensure the stability of the lifting process.

[0041] Screw rod 11: fixedly connected to the upper surface of the fixing frame 7 on both sides, and the upper end extends to the upper end of the mounting plate 6 through the through hole formed in the mounting plate 6. By rotating the fixing nut 12, the height position of the fixing frame 7 can be adjusted.

[0042] Fixed nut 12: threaded sleeve in the upper end of the screw rod 11, used to fix the position of the fixed frame 7 on the mounting plate 6, after adjusting the height of the fixed frame 7, tighten the fixed nut 12, prevent the fixed frame 7 from moving.

[0043] Arc plate 13: two, set in the center of the fixed frame 7, and the inner side opposite. By rotating the screw rod 14, it can be close or far away, used to fit different size of escalator truss, realize stable clamping.

[0044] Screw rod 14: fixed connection in the outer end of the two arc plate 13, the other end through the two end of the fixed frame 7, extend to the outer end of the fixed frame 7, by rotating the screw rod 14, can adjust the distance between the two arc plate 13.

[0045] Limit nut 15: threaded sleeve in the front end surface of the screw rod 14, after adjusting the position of the arc plate 13, tighten the limit nut 15, prevent the arc plate 13 from moving, ensure the stable clamping of the escalator truss.

[0046] Guide plate 16: set in the center of the lower end of the installation slot of the fixed frame 7, the lower end extends to the outer end of the installation slot, fixed installation of the buffer pad 17, play a guiding role, ensure the vertical up and down movement of the buffer pad 17, the upper end surface arranged installation of several buffer springs 18.

[0047] Buffer pad 17: fixed installation in the lower end of the guide plate 16, when the escalator truss down, directly contact with the lower contact object, further reduce the collision between the truss and the lower contact object, protect the escalator truss.

[0048] Buffer spring 18: arranged installation in the upper end surface of the guide plate 16, the other end fixed connection in the inner bottom surface of the installation slot, when the impact force generated by the escalator truss down, the buffer spring 18 is compressed, absorb part of the impact force, ensure the safety and stability of the descending process.

[0049] Usage

[0050] The base 2 is stably placed on the solid ground, the whole hoisting tool is provided with stable support, the subsequent operation is guaranteed, the screw rod one 11 is adjusted, the fixed nut 12 is loosened, the fixed frame 7 is moved up and down to adapt to the escalator truss of different heights, after adjustment, the fixed nut 12 is tightened, the position of the fixed frame 7 is fixed, for the escalator truss of different sizes, the screw rod two 14 is rotated, the two arc-shaped plates 13 are close to or away from each other, the truss is placed between the two arc-shaped plates 13, the limiting nut 15 is tightened, the arc-shaped plate 13 and the truss are matched to realize stable clamping, the rotating motor 3 is started, the motor drives the two end winding reels 5 to rotate synchronously, when the winding reel 5 rotates, the steel wire rope wound on the outer end of the winding reel 5 starts to be wound, the steel wire rope passes through the guide rope holes on the upper end of the support frame 1 in turn, changes the direction, then passes through the fixed pulley 10, further adjusts the stress direction, makes the tension more uniform and stable, the steel wire rope guided through the guide rope hole and the fixed pulley 10 is finally connected to the inside of the traction sheave 8, with the winding reel 5 continuously winding the steel wire rope, the traction sheave 8 is pulled, through the connection of the steel wire rope and the clamping assembly, the clamped escalator truss is slowly lifted, in the hoisting process, the fixed pulley 10 and the traction sheave 8 cooperate, the fixed pulley 10 changes the direction of the steel wire rope, makes the hoisting force more reasonably distributed, the traction sheave 8 ensures the escalator truss to rise stably, because the double winding reel 5 structure is adopted, the force balance of the two sides of the escalator truss in the rising process can be ensured, and unstable conditions such as inclination and shaking are prevented, when the escalator truss needs to be lowered to the specified position, the rotating motor 3 is controlled to reverse, the winding reel 5 starts to release the steel wire rope, the escalator truss gradually descends under the action of its own gravity, in this process, the buffer spring 18 and the buffer pad 17 in the lower end mounting groove of the fixed frame 7 play a role, when the truss descends and generates impact force, the buffer spring 18 is compressed, absorbs part of the impact force, the buffer pad 17 further reduces the collision between the truss and the lower contact object, ensures the safety and stability of the descending process.

[0051] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An escalator truss hoisting tool, comprising a support frame (1), a base (2) is fixedly installed at the lower end of the support frame (1), support blocks (4) are fixedly connected on both sides of the upper end surface of the support frame (1), wire reels (5) are arranged on the inner sides of the support blocks (4) opposite the center, steel wire ropes are wound around the outer ends of the wire reels (5), a rotary motor (3) is arranged on the center of the upper end surface of the support frame (1), and the outer end shafts of the wire reels (5) are fixedly connected at both ends of the rotary motor (3), wherein an installation plate (6) is arranged in the center of the support frame (1), characterized in that, Also includes; Clamping assembly, set to two, respectively fixedly installed in the lower end of the mounting plate (6) two sides, and used for fixing and clamping truss hoisting.

2. An escalator truss lifting tool according to claim 1, characterised in that: The upper end of the support frame (1) is provided with a rope hole on both sides, and a traction wheel (8) is fixedly installed on the central bottom surface of the upper end of the support frame (1).

3. A stair stringer hoisting tool as defined in claim 1, wherein: The upper end surface of the mounting plate (6) is fixedly provided with a fixing member (9) on both sides, and a fixed pulley (10) is arranged on the upper end of the fixing member (9), wherein a through hole is formed at both ends of the upper end surface of the mounting plate (6).

4. A stair stringer hoisting tool as defined in claim 1, wherein: Two steel wire ropes wound by the winding disc (5) pass through the inside of the rope hole and the outer end of the fixed pulley (10), and are fixedly connected to the inside of the traction wheel (8).

5. A stair stringer hoisting tool as defined in claim 1, wherein: The clamping assembly comprises a fixed frame (7), an arc-shaped plate (13), a screw rod (14) and a limiting nut (15), the fixed frame (7) is provided with two, respectively arranged on both sides of the lower end of the mounting plate (6), two arc-shaped plates (13) are arranged in the central inside of the fixed frame (7), and the inner sides of the two arc-shaped plates (13) are oppositely arranged, screw rods (14) are fixedly connected to the central outside of the two arc-shaped plates (13), the other ends of the screw rods (14) extend to the outside of the fixed frame (7) through the inside of both ends of the fixed frame (7), and limiting nuts (15) are threadedly connected to the front end surfaces of the screw rods (14).

6. A stair stringer hoisting tool according to claim 5, characterised in that: The upper end surface of the fixed frame (7) is fixedly connected with a screw rod (11), the upper end of the screw rod (11) extends to the outer end of the upper end of the mounting plate (6) through the inside of the through hole of the mounting plate (6), and a fixed nut (12) is threadedly connected to the upper end surface of the screw rod (11).

7. A stair stringer hoisting tool as defined in claim 5, wherein: The lower end surface of the fixed frame (7) is provided with a mounting groove, a guide plate (16) is arranged in the central inside of the mounting groove, the lower end of the guide plate (16) extends to the outside of the mounting groove, and a buffer pad (17) is fixedly installed, a plurality of buffer springs (18) are arranged on the upper end surface of the guide plate (16), and the other ends of the buffer springs (18) are fixedly connected to the inside bottom surface of the mounting groove.

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