Leveling device for construction hoist

Abstract

The utility model provides a leveling device for a construction hoist, which comprises a first encoder, a connecting shaft of the first encoder is provided with a first rotating shaft through a first coupler, the outer end of the first rotating shaft is fixedly provided with a gear, and the lower part of the first encoder is fixedly provided with an encoder mounting frame; l-shaped connecting pieces are fixedly installed on the front side and the rear side of the encoder installation frame respectively, the first rotating shaft is provided with a detection gear assembly and a rotating shaft support assembly, and the detection gear assembly comprises a detection encoder. The arrangement of the detection encoder, the base, the mounting rack, the second rotating shaft, the second coupling, the driven detection gear and the driving detection gear facilitates the detection of the rotation of the first rotating shaft, thereby detecting whether the first encoder operates normally or not.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lift, especially involves a flat layer device for construction hoist. BACKGROUND

[0002] The construction hoist is the construction machinery for carrying people and goods in construction, which is composed of a car, a driving mechanism, a standard section and a wall attachment. The flat layer device is usually arranged in the existing construction hoist to detect the lifting height of the car, so that the car stops at the set layer. The existing flat layer device for construction hoist comprises a fixing frame, a protection box fixedly connected to the top of the fixing frame, a sealing cover arranged on the top of the protection box, the bottom of the sealing cover in contact with the top of the protection box, a fixing pin threadedly connected in the sealing cover, a first flat layer mechanism arranged on the left side of the protection box and a second flat layer mechanism arranged on the front side of the protection box. When the flat layer device is used, the gear is connected with the encoder through the shaft with a certain length, and the gear is connected with the car gear. Therefore, the shaft is in the stressed state for a long time, the supporting effect of the shaft is low, the shaft is prone to deformation, the position of the gear is affected, and the rotation of the encoder cannot be detected to determine whether the encoder is running normally. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a flat layer device for construction hoist, which improves the supporting effect of the shaft of the encoder and can detect whether the encoder is running normally.

[0004] The utility model is realized through the following technical schemes:

[0005] A flat layer device for construction hoist comprises a first encoder, a first shaft connected to the first encoder through a first shaft coupling, a gear fixedly installed on the outer end of the first shaft, an encoder mounting frame fixedly installed on the lower part of the first encoder, L-shaped connecting pieces fixedly installed on the front and back sides of the encoder mounting frame, a detection gear assembly and a shaft support assembly installed on the first shaft, a detection encoder, a base fixedly installed on the lower part of the detection encoder, a mounting frame fixedly installed on the right end of the base, a second shaft connected to the detection encoder through a second shaft coupling, a driven detection gear fixedly installed on the outer end of the second shaft, a driving detection gear meshingly connected to one side of the driven detection gear, a bearing seat, a support fixedly installed on the lower part of the bearing seat and mounting rods fixedly installed on the right side of the support in parallel.

[0006] Preferably, the driving detection gear is fixedly installed on the first shaft and arranged between the first shaft and the first shaft coupling.

[0007] Preferably, the base is fixedly installed on the upper part of the L-shaped connecting piece arranged at the rear side.

[0008] Preferably, the mounting frame is fixedly installed at the rear side of the encoder mounting frame.

[0009] Preferably, the bearing seat is fixedly installed on the outer end of the first rotating shaft, and the bearing seat is arranged at the left side of the gear.

[0010] Preferably, the right ends of the two mounting rods are fixedly installed in the mounting holes arranged in the interior of the encoder mounting frame.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. In the utility model, the detection encoder, the base, the mounting frame, the second rotating shaft, the second shaft coupling, the driven detection gear and the driving detection gear are arranged, which is favorable for detecting the rotation of the first rotating shaft, thereby detecting whether the first encoder is normally operated.

[0013] 2. In the utility model, the bearing seat and the mounting rod are arranged, which is favorable for supporting the first rotating shaft and reducing the position deviation of the gear. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic view of the utility model.

[0015] Figure 2 It is the top view structural schematic view of the detection gear assembly of the utility model.

[0016] Figure 3 It is the structural schematic view of the rotating shaft support assembly of the utility model.

[0017] IN THE DRAWINGS:

[0018] 1, the first encoder; 2, the first rotating shaft; 3, the first shaft coupling; 4, the gear; 5, the encoder mounting frame; 6, the L-shaped connecting piece; 7, the detection gear assembly; 8, the rotating shaft support assembly; 71, the detection encoder; 72, the base; 73, the mounting frame; 74, the second rotating shaft; 75, the second shaft coupling; 76, the driven detection gear; 77, the driving detection gear; 81, the bearing seat; 82, the support; 83, the mounting rod. DETAILED DESCRIPTION

[0019] The utility model will be specifically described in combination with the drawings, such as the drawings Figure 1As shown, a construction hoist flat layer device, including a first encoder 1, the connecting shaft of the first encoder 1 is installed with a first rotating shaft 2 through a first coupling 3, the outer end of the first rotating shaft 2 is fixedly installed with a gear 4, the lower part of the first encoder 1 is fixedly installed with an encoder mounting bracket 5, the front and rear sides of the encoder mounting bracket 5 are respectively fixedly installed with L-shaped connecting pieces 6, the first rotating shaft 2 is installed with a detection gear assembly 7 and a rotating shaft support assembly 8.

[0020] In this embodiment, the accompanying drawings are combined Figure 2 As shown, the detection gear assembly 7 includes a detection encoder 71, the lower part of the detection encoder 71 is fixedly installed with a base 72, the right end of the base 72 is fixedly installed with a mounting bracket 73, the connecting shaft of the detection encoder 71 is installed with a second rotating shaft 74 through a second coupling 75, the outer end of the second rotating shaft 74 is fixedly installed with a driven detection gear 76, one side of the driven detection gear 76 is engaged with a driving detection gear 77, when the first rotating shaft 2 rotates, the driving detection gear 77 drives the driven detection gear 76 to rotate, thereby rotating through the second rotating shaft 74 and the second coupling 75, connecting the detection encoder 71 with the external control device, the external control device calculates the number of turns of the first rotating shaft 2 and the first encoder 1 according to the transmission ratio of the driving detection gear 77 and the driven detection gear 76, and the number of turns of the detection encoder 71, thereby being able to detect the rotation operation of the first encoder 1, improving the safety.

[0021] In this embodiment, the accompanying drawings are combined Figure 3 As shown, the rotating shaft support assembly 8 includes a bearing seat 81, the lower part of the bearing seat 81 is fixedly installed with a support 82, the right side of the support 82 is fixedly installed with mounting rods 83 side by side.

[0022] In this embodiment, specifically, the driving detection gear 77 is fixedly installed with the first rotating shaft 2, and the driving detection gear 77 is arranged between the first rotating shaft 2 and the first coupling 3.

[0023] In this embodiment, specifically, the base 72 is fixedly installed on the upper part of the L-shaped connecting piece 6 arranged on the rear side.

[0024] In this embodiment, specifically, the mounting bracket 73 is fixedly installed on the rear side of the encoder mounting bracket 5.

[0025] In this embodiment, specifically, the bearing seat 81 is fixedly installed on the outer end of the first rotating shaft 2, and the bearing seat 81 is arranged on the left side of the gear 4.

[0026] In this embodiment, specifically, the right ends of the two mounting rods 83 are fixedly installed in the mounting holes opened in the inside of the encoder mounting bracket 5.

[0027] Working principle

[0028] In the utility model, the gear 4 is engaged with the gear of the car of external construction elevator, in the process of construction elevator lifting, the car gear drives the gear 4 to rotate, thereby rotating through the first rotating shaft 2 and the first coupling 3, thereby driving the first encoder 1 to rotate, the first encoder 1 is connected with the control device of external construction elevator, the control device calculates the lifting distance of construction elevator according to the rotation number of the detected first encoder 1, when the lifting distance meets the set value of control device, the motor of construction elevator stops the car, realizes the function of flat layer.

[0029] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model by the person skilled in the art, designs similar technical scheme, and reaches the above technical effect, and all falls into the protection scope of the utility model.

Claims

1. A leveling device for a construction elevator, characterized by, The construction hoist uses flat layer device, including first encoder (1), the connecting shaft of first encoder (1) is installed with first rotating shaft (2) through first coupling (3), the outer end of first rotating shaft (2) is fixedly installed with gear (4), the lower part of first encoder (1) is fixedly installed with encoder mounting bracket (5), the front and rear sides of encoder mounting bracket (5) are fixedly installed with L-shaped connecting piece (6) respectively, first rotating shaft (2) is installed with detection gear assembly (7) and rotating shaft support assembly (8), detection gear assembly (7) includes detection encoder (71), the lower part of detection encoder (71) is fixedly installed with base (72), the right end of base (72) is fixedly installed with mounting bracket (73), the connecting shaft of detection encoder (71) is installed with second rotating shaft (74) through second coupling (75), the outer end of second rotating shaft (74) is fixedly installed with driven detection gear (76), one side of driven detection gear (76) is engagedly connected with driving detection gear (77), rotating shaft support assembly (8) includes bearing seat (81), the lower part of bearing seat (81) is fixedly installed with support (82), the right side of support (82) is fixedly installed with mounting rod (83) side by side.

2. The construction hoist flat layer device according to claim 1, wherein The driving detection gear (77) is fixedly installed with the first rotating shaft (2), and the driving detection gear (77) is arranged between the first rotating shaft (2) and the first coupling (3).

3. The construction hoist flat bed device as claimed in claim 1, wherein The base (72) is fixedly installed on the upper part of the L-shaped connecting piece (6) arranged on the rear side.

4. The construction elevator leveler as claimed in claim 1, wherein The mounting bracket (73) is fixedly installed on the rear side of the encoder mounting bracket (5).

5. The construction hoist flat bed device as claimed in claim 1, wherein The bearing seat (81) is bearingly installed on the outer end of the first rotating shaft (2), and the bearing seat (81) is arranged on the left side of the gear (4).

6. The construction hoist flat bed device as claimed in claim 1, wherein The right end of the two mounting rods (83) is fixedly installed in the mounting hole formed in the inside of the encoder mounting bracket (5).

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