Diversion sheave beam assembly of household ladder

Abstract

The utility model relates to a household ladder diversion sheave beam assembly which comprises a main beam, a diversion sheave set and a rope shifting hook assembly, strip-shaped mounting holes are formed in the two sides of the two ends of the main beam, the main beam is detachably and mechanically connected with a sheave set mounting plate, the sheave set mounting plate is detachably and mechanically connected with a wheel shaft limiting block, and the diversion sheave set comprises a wheel shaft body and a diversion sheave body. The wheel set is provided with a wheel shaft mounting hole, and limiting grooves are formed in the peripheries of the two sides of a wheel shaft body. And the wheel set mounting plate covers the mounting strip-shaped hole. Through the mounting strip-shaped holes in the two ends of the main beam, the wheel shaft body and the diversion sheave body can be detached conveniently after the wheel shaft limiting block and the wheel set mounting plate are detached, and mounting and detaching are convenient. The main beam end structure does not need to be dismounted during mounting and dismounting, so that the caliper assembly can be mounted at the end of the main beam, the structure is more compact, the whole diversion sheave beam assembly can be mounted at the top of a lift car or the bottom of the lift car, and the universality is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of car elevator, especially a domestic ladder counter-rope wheel beam assembly. BACKGROUND

[0002] The elevator is the commonly used lifting carrying equipment, along with people's life quality requirement is higher and higher, the existing building installation car elevator is more and more common.The counter-rope beam assembly is the necessary assembly of car, and the existing counter-rope beam assembly needs to disassemble a large number of components when disassembling and maintaining, and is inconvenient to disassemble and assemble. UTILITY MODEL CONTENTS

[0003] In view of the deficiency of prior art, the utility model aims at providing a domestic ladder counter-rope wheel beam assembly.

[0004] The utility model discloses a domestic ladder counter-rope wheel beam assembly, which comprises a main beam, a counter-rope wheel set arranged at both ends of the main beam, a rope hook assembly arranged at the side of the main beam, installation strip-shaped holes are arranged on both sides of the two ends of the main beam, the main beam is detachably mechanically connected with a wheel set mounting plate, wheel shaft limiting blocks are detachably mechanically connected on the wheel set mounting plate, the counter-rope wheel set comprises wheel shaft bodies penetrating through the installation strip-shaped holes at both ends and counter-rope wheel bodies rotatably connected to the wheel shaft bodies, wheel shaft mounting holes are arranged on the wheel set mounting plate, the end portions of the wheel shaft bodies penetrate through the wheel shaft mounting holes, limiting grooves are arranged on the outer circumferences of the two sides of the wheel shaft bodies, the wheel shaft limiting blocks are clamped into the limiting grooves, and the installation strip-shaped holes extend along the length direction of the main beam.

[0005] As a further improvement of the design, the main beam comprises two U-shaped channel steels arranged in back-to-back parallel mode, a middle reinforcing member connecting the middle portions of the U-shaped channel steels, and end reinforcing members connecting the end portions of the two U-shaped channel steels, the end reinforcing members are U-shaped in cross section, the two side edges of the end reinforcing members are connected with the side surfaces of the U-shaped channel steels, and the end reinforcing members are provided with wheel avoiding holes for exposing the counter-rope wheel bodies.

[0006] As a further improvement of the design, the middle reinforcing member comprises a main body portion in T-shaped cross section and connecting portions at both ends, the connecting portions are detachably connected with the back surfaces of the U-shaped channel steels, and the bottom portion of the main body portion is provided with a bumper mounting position.

[0007] As a further improvement of the design, the end reinforcing member is provided with a calliper mounting position on the side opposite to the other side.

[0008] As a further improvement of the design, the rope hook assembly comprises a rotating shaft rotatably connected to the end stiffeners at both ends, a swing arm arranged at the end of the rotating shaft, and a torsion spring connected to the rotating shaft and the end stiffeners.

[0009] As a further improvement of the design, the rotating shaft is a telescopic square tube, and a locking bolt is threadedly connected to the telescopic square tube at the telescopic position.

[0010] As a further improvement of the design, the bottom of the main beam is provided with a closing plate, the edges of the closing plate are respectively connected to the bottom of the U-shaped channel steel and the bottom of the end stiffener, and an avoiding opening for avoiding the bumper is arranged on the closing plate.

[0011] The utility model discloses the beneficial effect is: the utility model discloses the installation strip hole of main beam both ends is convenient for after the wheel axle limiting block and the wheel group mounting plate are dismantled can dismantle the wheel axle body and the counter rope wheel body, and the installation and dismantling are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further illustrated below in connection with the drawings and examples.

[0013] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the whole section schematic diagram of the utility model.

[0015] Figure 3 It is the three-dimensional schematic diagram of the utility model in Figure 2 The local amplification section schematic diagram of the utility model in I place.

[0016] Figure 4 It is the U-shaped channel steel three-dimensional schematic diagram of the utility model.

[0017] In the drawing 1. main beam, 10. U-shaped channel steel, 11. intermediate stiffener, 110. main part, 111. connecting part, 12. end stiffener, 2. rope hook assembly, 20. locking bolt, 21. rotating shaft, 22. torsion spring, 23. swing arm, 3. wheel group mounting plate, 4. wheel axle limiting block, 5. counter rope wheel group, 50. counter rope wheel body, 51. wheel axle body, 6. installation strip hole, 7. limiting groove, 8. wheel axle mounting hole, 9. wheel avoiding hole, 90. calliper mounting position, 91. closing plate, 92. bumper mounting position. DETAILED DESCRIPTION

[0018] The utility model will be combined with the drawing and specific embodiment to explain in detail, the illustrative embodiment and the explanation are only used for explaining the utility model, but not as the limitation of the utility model. Embodiment

[0019] Please see Figure 1 and Figure 2 A domestic ladder counter pulley beam assembly, including main beam 1, set up in the counter pulley group 5 of both ends of the main beam 1, the rope hook assembly 2 of the side of the main beam 1 is set up, the both ends of the main beam 1 are equipped with the installation strip hole 6 on both sides, the main beam 1 can be detachably mechanically connected with the wheel group mounting plate 3, the wheel group mounting plate 3 is detachably mechanically connected with the wheel shaft limiting block 4, the counter pulley group 5 includes the wheel shaft body 51 of both ends through the installation strip hole 6, the counter pulley body 50 is rotatably connected on the wheel shaft body 51, the wheel shaft mounting hole 8 is equipped on the wheel group mounting plate 3, the wheel shaft body 51 end is through the wheel shaft mounting hole 8, the wheel shaft body 51 both sides are equipped with the limiting groove 7 on the outer periphery, the wheel shaft limiting block 4 is inserted into the limiting groove 7, the installation strip hole 6 extends along the length direction of the main beam 1, the longest distance between the oppositely arranged two installation strip holes 6 is greater than the length of the wheel shaft body 51, and the wheel group mounting plate 3 covers the installation strip hole 6.

[0020] Through the installation strip hole 6 of both ends of the main beam 1, the wheel shaft body 51 and the counter pulley body 50 can be disassembled after the wheel shaft limiting block 4 and the wheel group mounting plate 3 are disassembled, so that installation and disassembly are convenient. When installing and disassembling, the end structure of the main beam 1 does not need to be disassembled, so that the caliper assembly can be installed at the end of the main beam 1, the structure is more compact, the whole counter pulley beam assembly can be installed on the top of the car or the bottom of the car, and the universality is higher.

[0021] Please see Figure 1 The main beam 1 includes two U-shaped channel steels 10 arranged in back-to-back parallel mode, a middle reinforcing part 11 connected to the middle part of the U-shaped channel steel 10, and an end reinforcing part 12 connected to the end part of the two U-shaped channel steels 10, the end reinforcing part 12 is in U-shaped cross section, the two side edges of the end reinforcing part 12 are connected to the side surfaces of the U-shaped channel steel 10, and the end reinforcing part 12 is provided with a wheel avoiding hole 9 for exposing the counter pulley body 50. The U-shaped channel steel 10 is used as the main bearing structure, and the structural strength is high. After being connected with the end reinforcing part 12 and the middle reinforcing part 11, the whole stability is higher, and the strength reduction caused by the installation strip hole 6 of the U-shaped channel steel 10 is offset.

[0022] Please see Figure 1In order to be arranged at the bottom of the car, the intermediate reinforcing member 11 comprises a main body 110 with a T-shaped cross section and connecting portions 111 at both ends, the connecting portions 111 are detachably connected with the back of the U-shaped channel steel 10, and the bottom of the main body 110 is provided with a bumper mounting position 92.

[0023] In order to simplify the structure and improve the versatility, the end reinforcing member 12 is provided with a caliper mounting position 90 at the opposite side.

[0024] In order to make the structure more compact, the rope hook assembly 2 comprises a rotating shaft 21 rotatably connected with the end reinforcing member 12 at both ends, a swing arm 23 arranged at the end of the rotating shaft 21, and a torsion spring 22 connected between the rotating shaft 21 and the end reinforcing member 12.

[0025] In order to improve the versatility of the accessory, the rotating shaft 21 is a telescopic square tube, and a locking bolt 20 is threadedly connected at the telescopic position of the telescopic square tube of the rotating shaft 21.

[0026] In order to improve the overall strength and prevent the rope wheel body 50 and the grease on the rope from dropping and polluting, the bottom of the main beam 1 is provided with a closing plate 91, the edges of the closing plate 91 are respectively connected with the bottom of the U-shaped channel steel 10 and the bottom of the end reinforcing member 12, and the closing plate 91 is provided with a buffer avoiding opening (not shown in the figure).

[0027] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A reverse pulley beam assembly for a residential ladder comprising a main beam, a set of reverse pulleys disposed at each end of the main beam, a set of rope guide hooks disposed on the sides of the main beam, wherein, The main beam is provided with mounting strip holes at both ends, and is detachably and mechanically connected with a wheel set mounting plate, and the wheel set mounting plate is detachably and mechanically connected with an axle limiting block.

2. A domestic ladder counterweight beam assembly according to claim 1 wherein, The main beam comprises two U-shaped channel steels arranged in back-to-back parallel mode, a middle reinforcing member connecting the middle portions of the U-shaped channel steels, and end reinforcing members connecting the end portions of the two U-shaped channel steels.

3. A domestic ladder counterweight beam assembly according to claim 2, wherein, The middle reinforcing member comprises a main body portion in T-shaped cross section and connecting portions at both ends.

4. A domestic ladder counterweight beam assembly according to claim 2, wherein, The end reinforcing member is provided with a caliper mounting position at the opposite side.

5. A domestic ladder counterweight beam assembly according to claim 2, wherein, The rope hook assembly comprises a rotating shaft rotatably connected with the end reinforcing member at both ends, a swing arm arranged at the end portion of the rotating shaft, and a torsion spring connected with the rotating shaft and the end reinforcing member.

6. A domestic ladder counterweight beam assembly according to claim 5 wherein, The rotating shaft is a telescopic square tube, and a locking bolt is threadedly connected at the telescopic position of the rotating shaft.

7. A domestic ladder counterweight beam assembly according to any one of claims 2 to 6, wherein, The main beam is provided with a closing plate at the bottom, and the closing plate is connected with the bottom portions of the U-shaped channel steels and the end reinforcing members, respectively. The closing plate is provided with an avoiding opening for avoiding the bumper.

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