Ladder frame butt joint supporting structure of fan gear rack type elevator

Abstract

The utility model relates to the technical field of ladder frame butt joint supporting, and discloses a ladder frame butt joint supporting structure of a fan gear rack type elevator, which comprises a rack and guide ladder stands, ladder stand fixing holes are arranged on the side edges of the upper guide ladder stand and the lower guide ladder stand, and stop bolt holes are arranged at the front ends of the guide ladder stands close to the top. The supporting column is inserted into the ladder frame of the guide ladder stand and fixed to the ladder frame of the guide ladder stand through the fixing bolt body, the supporting column is exposed out of the ladder frame of the guide ladder stand by a certain height, the supporting column is always located at the upper end of the guide ladder stand, and the ladder frame is automatically aligned after being in butt joint; when the guide ladder stand is maintained, the stop bolt main body is screwed into the stop bolt mounting hole in the bottom of the support column, the fixed bolt main body is disassembled by a tool, the support column falls into the ladder frame of the guide ladder stand, the support column is not exposed at the moment, and the stop bolt main body limits the position of the support column, so that the convenience in the maintenance process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ladder frame docking supports, in particular to a ladder frame docking support structure of a fan rack and pinion type elevator. Background Art

[0002] Rack and pinion elevators use a gear drive to propel the elevator up and down. A motor mounted on the elevator car rotates the gear shaft via a speed reducer. The rack is welded or fastened to a guide ladder (typically made of steel). The elevator car is connected to the guide ladder via a guide wheel assembly. The gear and rack mesh, allowing the elevator to travel along the guide ladder.

[0003] The support column is welded into the ladder frame at one end of the guide ladder and inserted into the unwelded support column of the other ladder. In this way, the guide ladders are spliced ​​together longitudinally and secured with fasteners. The guide ladders are also connected to the wind turbine tower via ladder brackets and secured with fasteners.

[0004] The above connection method has caused great difficulties in the maintenance and replacement of the guide ladder, because there are many electrical equipment and pipelines inside the wind turbine tower, and hot work such as electric welding and cutting is not allowed. When a guide ladder needs to be repaired or replaced, the ladder cannot be taken out directly. The fasteners of the ladder bracket corresponding to the ladder and all the ladders above it need to be loosened, and the ladder and all the ladders above it need to be lifted up using lifting equipment at the top of the wind turbine tower. Only in this way can the guide ladder that needs to be repaired or replaced be taken out. This process affects the convenience of ladder maintenance and brings direct inconvenience and difficulty to maintenance. Utility Model Content

[0005] The purpose of the utility model is to provide a ladder frame docking support structure for a fan rack and pinion elevator to solve the problem of inconvenience and difficulty in ladder maintenance proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a ladder frame docking support structure of a fan rack and pinion elevator, comprising a rack and a guide ladder, the upper and lower sides of the guide ladders are both equipped with ladder fixing holes, the interior of the guide ladder is connected to a support column, a fixing bolt mounting hole is installed near the top of the support column, a stop bolt mounting hole is provided in the support column below the fixing bolt mounting hole, and a stop bolt hole is provided at the front end of the guide ladder near the top.

[0007] Preferably, a fixing bolt body is installed inside the fixing bolt mounting hole, and a stopping bolt body is installed inside the stopping bolt mounting hole.

[0008] Preferably, the height of the support column after installation is greater than the height of the guide ladder, and an exposed portion is formed at the top end of the support column.

[0009] Preferably, the top of the exposed portion is provided with a chamfer, and the support column is always located at the upper end position of the guide ladder.

[0010] Preferably, the two ladder fixing holes are connected and installed by screws, and the two ladder fixing holes are located on the same vertical plane.

[0011] Preferably, the support column is located at the docking position of the guide ladder, and the support column plays an internal supporting role.

[0012] Preferably, the sides of the guide ladder are equipped with racks, and the other sides of the guide ladder are fixed with trusses.

[0013] Preferably, two groups of the trusses are installed on the sides of the guide ladders, and the guide ladders are symmetrically distributed about the central axis of the truss.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the ladder frame docking support structure of the fan rack and pinion elevator not only improves the convenience of ladder maintenance, but also reduces the welding work of the ladder;

[0015] (1) The support column is inserted into the ladder frame of the guide ladder and fixed to the ladder frame of the guide ladder by the fixing bolt body. The support column is exposed to a certain height of the ladder frame of the guide ladder, and the support column is always at the upper end of the guide ladder. The exposed end of the support column is chamfered, which is convenient for the guide ladder to be connected and the ladder frames are automatically aligned after being connected. The support column plays a supporting role inside the joint of the two guide ladder frames to avoid deformation of the guide ladder joint caused by the reciprocating operation of the elevator guide assembly, which affects the safe operation of the elevator. When disassembly is required, the stop bolt body is screwed into the stop bolt mounting hole at the bottom of the support column, and the fixing bolt body is removed with a tool. When the fixing bolt body is completely removed, the support column will fall into the ladder frame of the guide ladder. At this time, the support column will not be exposed, and the stop bolt body will limit the position of the support column. After completing the adjustment of the support column, and removing the fasteners in the ladder fixing holes between the guide ladders and the fasteners connecting the guide ladder and the corresponding ladder bracket, the ladder can be directly removed, thereby improving the convenience during maintenance;

[0016] (2) Ladder fixing holes are installed on the side of the ladder frame of the guide ladder. Therefore, when two sets of guide ladders are connected, the positions of the two sets of guide ladders can be determined first, and then the stop bolt body is pushed upward to move the support column upward and inserted into the ladder frame at the lower end of the upper guide ladder. The support column is also fixed with the fixing bolt body. According to this method, the ladder fixing hole can be reset, and then the ladder fixing hole can be connected with fasteners. In this way, the welding work in the connection process is reduced during the work process, and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the rear-view stereoscopic structure of the utility model;

[0019] Figure 3 This is a schematic diagram of a partial front cross-sectional structure of a support column of the present invention;

[0020] Figure 4 This is a schematic diagram of the installation of the stop bolt of the utility model;

[0021] Figure 5 This is a schematic diagram of the stop bolt limit of the utility model.

[0022] In the figure: 1. Ladder fixing hole; 2. Rack; 3. Guide ladder; 4. Stop bolt hole; 5. Fixing bolt body; 6. Support column; 7. Fixing bolt mounting hole; 8. Stop bolt mounting hole; 9. Stop bolt body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 The utility model provides an embodiment: a ladder frame docking support structure of a fan rack and pinion elevator, including a rack 2, a guide ladder 3, and ladder fixing holes 1 installed on the sides of the upper and lower guide ladders 3. The guide ladder 3 is connected to the inside of the guide ladder 3. A fixing bolt mounting hole 7 is installed near the top of the support column 6. A stop bolt mounting hole 8 is opened in the support column 6 below the fixing bolt mounting hole 7, and a stop bolt hole 4 is opened at the front end of the guide ladder 3 near the top.

[0025] The fixing bolt body 5 is installed in the fixing bolt installation hole 7 , and the stopper bolt body 9 is installed in the stopper bolt installation hole 8 .

[0026] The height of the support column 6 after installation is greater than the height of the guide ladder 3 , and an exposed portion is formed at the top end of the support column 6 .

[0027] The top of the exposed portion is provided with a chamfer, and the support column 6 is always located at the upper end position of the guide ladder 3.

[0028] The two ladder fixing holes 1 are connected and installed by screws, and the two ladder fixing holes 1 are located on the same vertical plane.

[0029] The support column 6 is located at the docking position of the guide ladder 3, and the support column 6 plays an internal supporting role.

[0030] The sides of the guide ladder 3 are equipped with racks 2, and the other sides of the guide ladder 3 are fixed with trusses.

[0031] There are two sets of trusses installed on the sides of the guide ladder 3, and the guide ladder 3 is symmetrically distributed about the central axis of the truss;

[0032] The further new support column structure is composed of a support column 6 and a fixing bolt body 5. When repairing or replacing, it is necessary to carry an ordinary M6 bolt, which can be of any length, to be used as a stop bolt body 9;

[0033] In the example, when ladder A needs to be disassembled, the ladder frame at the bottom of ladder A is inserted into the support column at the top of ladder B below, and the support column at the top of ladder A is inserted into the ladder frame at the bottom of ladder C above. Therefore, ladder A cannot be directly removed. At this time, the four support columns at the top of ladders A and B are respectively operated as follows:

[0034] First, take out the stop bolt body 9 from the tool kit and screw it into the threaded hole at the bottom of the support column.

[0035] Second, use a tool to remove the fixing bolt body 5. When the fixing bolt body 5 is completely removed, the support column 6 will fall into the inside of the ladder frame. At this time, the support column 6 will not be exposed from the ladder frame, and the stop bolt body 9 will limit the support column position.

[0036] After completing the adjustment of the four support columns and removing the fasteners between the ladders and the fasteners connecting ladder A to the corresponding ladder brackets, the ladder can be directly removed.

[0037] After ladder A is repaired, or a new ladder D is in place, proceed as follows:

[0038] First, connect or pre-tighten ladder A or ladder D to the corresponding ladder bracket using fasteners, and adjust the position and angle of the ladder so that its upper and lower ladder frames are aligned with ladders B and C.

[0039] Second, push the stop bolt upward to move the support column upward and insert it into the ladder frame at the lower end of the upper ladder. Secure the support column with the set screw. Repeat this method to reposition the four support columns at the upper end of Ladder B and Ladder A or Ladder D.

[0040] Third, install the ladder connection fasteners and tighten the fasteners connecting them to the ladder bracket.

[0041] Working principle: First, insert the support column 6 into the ladder frame of the guide ladder 3, and fix it on the ladder frame of the guide ladder 3 through the fixing bolt body 5. The support column 6 is exposed to a certain height of the ladder frame of the guide ladder 3, and the support column 6 is always at the upper end of the guide ladder 3. The exposed end of the support column 6 has a chamfer, which is convenient for the docking of the guide ladder 3 and makes the ladder frames automatically aligned after docking. The support column 6 plays a supporting role inside the docking point of the ladder frames of the two guide ladders 3. When it needs to be disassembled, the stop bolt body 9 is screwed into the stop bolt mounting hole 8 at the bottom of the support column 6, and the fixing bolt body 5 is removed with a tool. When the fixing bolt body 5 is completely When it is taken out, the support column 6 will fall into the ladder frame of the guide ladder 3. At this time, the support column 6 will not be exposed, and the stop bolt body 9 will limit the position of the support column. After completing the adjustment of the support column 6 and removing the fasteners in the ladder fixing holes 1 between the guide ladders 3 and the fasteners connecting the guide ladder 3 and the corresponding ladder bracket, the ladder can be directly removed for maintenance, and then the stop bolt body 9 is pushed upward to move the support column 6 upward and insert it into the ladder frame at the lower end of the upper guide ladder 3. The support column is also fixed with the fixing bolt body 5. According to this method, the ladder fixing hole 1 can be reset, and the subsequent assembly can be completed in the same way.

[0042] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. A ladder frame docking support structure for a fan rack and pinion elevator, comprising a rack (2) and a guide ladder (3), characterized in that: The sides of the upper and lower guide ladders (3) are both provided with ladder fixing holes (1), the interior of the guide ladder (3) is connected with a support column (6), a fixing bolt mounting hole (7) is installed near the top of the support column (6), a stop bolt mounting hole (8) is provided below the fixing bolt mounting hole (7) in the support column (6), and a stop bolt hole (4) is provided at the front end of the guide ladder (3) near the top.

2. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 1, characterized in that: A fixing bolt body (5) is installed inside the fixing bolt installation hole (7), and a stopping bolt body (9) is installed inside the stopping bolt installation hole (8).

3. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 1, characterized in that: The height of the support column (6) after installation is greater than the height of the guide ladder (3), and an exposed portion is formed at the top end of the support column (6).

4. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 3, characterized in that: The top of the exposed portion is provided with a chamfer, and the support column (6) is always located at the upper end of the guide ladder (3).

5. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 1, characterized in that: The two ladder fixing holes (1) are connected and installed by screws, and the two ladder fixing holes (1) are located on the same vertical plane.

6. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 1, characterized in that: The support column (6) is located at the docking position of the guide ladder (3), and the support column (6) plays an internal supporting role.

7. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 1, characterized in that: The sides of the guide ladder (3) are equipped with racks (2), and the other sides of the guide ladder (3) are fixed with trusses.

8. The ladder frame docking support structure of a fan rack and pinion elevator according to claim 7, characterized in that: Two groups of the trusses are installed on the sides of the guide ladders (3), and the guide ladders (3) are symmetrically distributed about the central axis of the trusses.

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