Pneumatic monorail hoist

Abstract

This utility model discloses a pneumatic monorail crane, relating to the field of crane transportation technology. It includes a guide rail, a fixed cylinder with an air outlet pipe fixed at one end away from the support plate, a drive gear on the side of the support plate away from the fixed cylinder, a sliding plate slidably connected inside the fixed cylinder, a push rod fixed on the side of the sliding plate near the drive gear, a driven gear rotatably connected to the support plate, the driven gear meshing with the drive gear, a half gear fixed on the driven gear, a rack fixed on one side of the push rod, the rack meshing with the half gear, and a compression spring sleeved on the push rod. The beneficial effect is that the meshing of the drive gear and driven gear drives the half gear to rotate, which in turn drives the sliding plate to move away from the air outlet pipe through the meshing of the half gear and rack. Subsequently, the rack disengages from the half gear and pushes the sliding plate towards the air outlet pipe via the compression spring, accelerating the expulsion of air from the fixed cylinder. This allows the airflow to blow away dust from the guide rail through the air outlet pipe, preventing dust from adhering to the guide rail and causing the support plate to slip during movement.

Description

Technical Field

[0001] This utility model relates to the field of crane transportation technology, and in particular to a pneumatic monorail crane. Background Technology

[0002] A pneumatic monorail crane is a lifting device that uses compressed air as a power source. It is mainly used for material handling in environments such as mines and factories. When transporting air ducts, trolleys are installed on I-shaped rails, and pneumatic motors drive the trolleys to move on the guide rails, thereby realizing the movement of air ducts for air supply.

[0003] A search revealed Chinese patent publication number CN219429530U, which discloses a trolley for the main air pipe of a pneumatic monorail crane. This patent uses a pulley to lock onto an I-shaped rail and slide along the I-shaped rail. The main air pipe is fixed to the hanging plate by a retaining ring and moves with the frame. This device has a certain problem: dust may adhere to the contact surface of the I-shaped guide rail, which will reduce the friction between the trolley and the guide rail, causing the trolley to slip when going uphill. Utility Model Content

[0004] The purpose of this invention is to provide a pneumatic monorail crane in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions: A pneumatic monorail crane includes a guide rail, symmetrical support plates are provided at the front and rear of the guide rail, and a cleaning mechanism is provided on the support plates. The cleaning mechanism includes a fixed cylinder.

[0006] The fixed cylinder is fixed to the upper end of one side of the support plate. An air outlet pipe is fixed to the end of the fixed cylinder away from the support plate. A drive gear is provided on the side of the support plate away from the fixed cylinder. A sliding plate is slidably connected inside the fixed cylinder. A push rod is fixed on the side of the sliding plate near the drive gear. A driven gear is rotatably connected to the support plate. The driven gear meshes with the drive gear. A half gear is fixed on the driven gear. A rack is fixed on the side of the push rod away from the sliding plate. The rack meshes with the half gear. A compression spring is sleeved on the push rod. The compression spring is fixedly connected between the inner wall of the fixed cylinder and the sliding plate.

[0007] Preferably, a rotating shaft is rotatably connected to the support plate, the drive gear is fixedly connected to the rotating shaft, and a transmission wheel is fixedly connected to the side of the rotating shaft near the guide rail, and the transmission wheel is rolled on the guide rail.

[0008] Preferably, two connecting columns are fixedly connected between the front and rear symmetrical support plates. The two connecting columns are symmetrically distributed at the lower end of the support plates, and connecting rods are fixed on the connecting columns. The two connecting rods are V-shaped with their tips pointing downwards.

[0009] Preferably, a fixing plate is fixed to the lower end of the connecting rod. The fixing plate is a semi-circle with an opening facing downwards. The fixing plate is hinged to a limiting arc plate, and the fixing plate and the limiting arc plate form a ring.

[0010] Preferably, a fixing bolt is threaded between the limiting arc plate and the fixing plate, and symmetrical locking knobs are threaded at the front and rear of the fixing plate. A clamping plate is rotatably connected to the side of the locking knob closest to the axis of the fixing plate.

[0011] Preferably, symmetrical connecting shafts are fixed on both sides of the support plate, and the connecting shafts are located at the upper end of the support plate.

[0012] Preferably, a traveling wheel is rotatably connected to the side of the connecting shaft near the guide rail, and the traveling wheel is rolled on the guide rail.

[0013] The beneficial effects are as follows: the meshing of the driving gear and the driven gear drives the half gear to rotate, and the meshing of the half gear and the rack drives the sliding plate to move away from the air outlet pipe. Then the rack disengages from the half gear and pushes the sliding plate towards the air outlet pipe through the compression spring, thereby accelerating the expulsion of air from the fixed cylinder and allowing the airflow to blow away the dust on the guide rail through the air outlet pipe, thus preventing the support plate from slipping when it moves due to dust adhering to the guide rail.

[0014] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the working state of the pneumatic monorail crane described in this utility model; Figure 2 yes Figure 1 The right view; Figure 3 This is a top view of a pneumatic monorail crane described in this utility model; Figure 4 yes Figure 3 Enlarged view of point A; Figure 5 This is an enlarged view of part of the mechanism of the pneumatic monorail crane described in this utility model.

[0016] The reference numerals in the attached drawings are explained as follows: 101, guide rail; 102, support plate; 103, connecting column; 201, connecting shaft; 202, traveling wheel; 301, rotating shaft; 302, transmission wheel; 303, driving gear; 401, fixed cylinder; 402, sliding plate; 403, push rod; 404, driven gear; 405, rack; 501, connecting rod; 502, fixed plate; 503, limiting arc plate; 601, locking knob; 602, clamping plate; 7, air outlet pipe; 8, compression spring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] The present invention will be further described below with reference to the accompanying drawings: like Figures 1-5 As shown, a pneumatic monorail crane includes a guide rail 101, with symmetrical support plates 102 at the front and rear of the guide rail 101. A cleaning mechanism is provided on the support plates 102, and the cleaning mechanism includes a fixed cylinder 401.

[0020] A fixed cylinder 401 is fixed to the upper end of one side of the support plate 102. An air outlet pipe 7 is fixed to the end of the fixed cylinder 401 away from the support plate 102. A drive gear 303 is provided on the side of the support plate 102 away from the fixed cylinder 401. A sliding plate 402 is slidably connected inside the fixed cylinder 401. A push rod 403 is fixed to the side of the sliding plate 402 near the drive gear 303. A driven gear 404 is rotatably connected to the support plate 102, meshing with the drive gear 303. A half gear is fixed to the driven gear 404. A rack 405 is fixed to the side of the push rod 403 away from the sliding plate 402, meshing with the half gear. A compression spring 8 is sleeved on the push rod 403, fixedly connected between the inner wall of the fixed cylinder 401 and the sliding plate 402. When the support plate 102 moves on the guide rail 101… The side of the support plate 102 closest to the air outlet 7 is the forward direction. The support plate 102 moves on the guide rail 101, driving the drive gear 303 to rotate clockwise. This causes the drive gear 303 to mesh with the driven gear 404, driving the half gear to rotate counterclockwise. This causes the half gear to mesh with the rack 405, moving the rack 405 away from the fixed cylinder 401. The rack 405 then drives the sliding plate 402 to move away from the air outlet 7 via the push rod 403, causing the compression spring 8 to compress and deform. Subsequently, the rack 405 disengages from the half gear and pushes the sliding plate 402 towards the air outlet 7 via the compression spring 8, thereby accelerating the expulsion of air from the fixed cylinder 401. This allows the airflow to blow away dust on the guide rail 101 through the air outlet 7, preventing the support plate 102 from slipping due to dust adhering to the guide rail 101.

[0021] A rotating shaft 301 is rotatably connected to the support plate 102. The drive gear 303 is fixedly connected to the rotating shaft 301. A transmission wheel 302 is fixedly connected to the side of the rotating shaft 301 near the guide rail 101. The transmission wheel 302 is rolled on the guide rail 101 and abuts against the guide rail 101. When the support plate 102 moves, the transmission wheel 302 rotates clockwise.

[0022] Two connecting columns 103 are fixedly connected between the front and rear symmetrical support plates 102. The two connecting columns 103 are symmetrically distributed at the lower end of the support plates 102. Connecting rods 501 are fixed on the connecting columns 103. The two connecting rods 501 are V-shaped with their tips pointing downwards.

[0023] A fixing plate 502 is fixed to the lower end of the connecting rod 501. The fixing plate 502 is a semi-circle with the opening facing downward. The fixing plate 502 is hinged to a limiting arc plate 503. The fixing plate 502 and the limiting arc plate 503 form a ring.

[0024] A fixing bolt is threaded between the limiting arc plate 503 and the fixing plate 502. The fixing plate 502 is threaded with symmetrical locking knobs 601. A clamping plate 602 is rotatably connected to the side of the locking knob 601 closest to the axis of the fixing plate 502. When the air duct is to be transmitted, the air duct is placed in the ring formed by the fixing plate 502 and the limiting arc plate 503, and the fixing bolt is rotated. Then the locking knob 601 is rotated so that the locking knob 601 and the fixing plate 502 are threaded together, which drives the clamping plate 602 to clamp the air duct.

[0025] Symmetrical connecting shafts 201 are fixed on both sides of the support plate 102, and the connecting shafts 201 are located at the upper end of the support plate 102.

[0026] A traveling wheel 202 is rotatably connected to the side of the connecting shaft 201 near the guide rail 101. The traveling wheel 202 is rolled on the guide rail 101. When the support plate 102 moves, multiple traveling wheels 202 roll with the guide rail 101, thereby making the support plate 102 move stably on the guide rail 101.

[0027] Working principle: When a duct is needed, the duct is placed within the ring formed by the fixed plate 502 and the limiting arc plate 503, and the fixing bolt is rotated. Then, the locking knob 601 is rotated, causing the locking knob 601 to engage with the fixed plate 502, which in turn drives the clamping plate 602 to clamp the duct. Subsequently, the support plate 102 moves on the guide rail 101, with the side of the support plate 102 closest to the outlet duct 7 being the forward direction. When the support plate 102 moves, multiple traveling wheels 202 roll against the guide rail 101, thus allowing the support plate 102 to move stably on the guide rail 101. As the support plate 102 moves on the guide rail 101, the transmission wheel 302 abuts against the guide rail 101. When the support plate 102 moves, the transmission wheel 302 moves smoothly. The clockwise rotation drives the driving gear 303 to rotate clockwise, causing the driving gear 303 to mesh with the driven gear 404 and drive the half gear to rotate counterclockwise. This, in turn, causes the half gear to mesh with the rack 405, moving the rack 405 away from the fixed cylinder 401. The rack 405 then moves the sliding plate 402 away from the air outlet 7 via the push rod 403, causing the compression spring 8 to compress and deform. Subsequently, the rack 405 disengages from the half gear and pushes the sliding plate 402 towards the air outlet 7 via the compression spring 8, thereby accelerating the expulsion of air from the fixed cylinder 401. This allows the airflow to blow away dust from the guide rail 101 through the air outlet 7, preventing the support plate 102 from slipping due to dust adhering to the guide rail 101.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic monorail crane, comprising a guide rail (101), wherein symmetrical support plates (102) are provided at the front and rear of the guide rail (101), characterized in that: The support plate (102) is provided with a cleaning mechanism, which includes a fixed cylinder (401). The fixed cylinder (401) is fixed to the upper end of one side of the support plate (102). An air outlet pipe (7) is fixed to the end of the fixed cylinder (401) away from the support plate (102). A drive gear (303) is provided on the side of the support plate (102) away from the fixed cylinder (401). A sliding plate (402) is slidably connected inside the fixed cylinder (401). A push rod (403) is fixed to the side of the sliding plate (402) near the drive gear (303). The support plate (102) has... A driven gear (404) is rotatably connected to the driving gear (303), and a half gear is fixed on the driven gear (404). A rack (405) is fixed on the side of the push rod (403) away from the sliding plate (402), and the rack (405) meshes with the half gear. A compression spring (8) is sleeved on the push rod (403), and the compression spring (8) is fixedly connected between the inner wall of the fixed cylinder (401) and the sliding plate (402).

2. The pneumatic monorail crane according to claim 1, characterized in that: A rotating shaft (301) is rotatably connected to the support plate (102). The drive gear (303) is fixedly connected to the rotating shaft (301). A transmission wheel (302) is fixedly connected to the side of the rotating shaft (301) near the guide rail (101). The transmission wheel (302) is rolled on the guide rail (101).

3. A pneumatic monorail crane according to claim 1, characterized in that: Two connecting columns (103) are fixedly connected between the front and rear symmetrical support plates (102). The two connecting columns (103) are symmetrically distributed at the lower end of the support plates (102). Connecting rods (501) are fixed on the connecting columns (103). The two connecting rods (501) are V-shaped with their tips pointing downwards.

4. A pneumatic monorail crane according to claim 3, characterized in that: The lower end of the connecting rod (501) is fixed with a fixing plate (502). The fixing plate (502) is a semi-circle with an opening facing downwards. The fixing plate (502) is hinged to a limiting arc plate (503). The fixing plate (502) and the limiting arc plate (503) form a ring.

5. A pneumatic monorail crane according to claim 4, characterized in that: The limiting arc plate (503) and the fixing plate (502) are threadedly connected by fixing bolts. The fixing plate (502) is threadedly connected with symmetrical locking knobs (601) at the front and rear. The locking knob (601) is rotatably connected to a clamping plate (602) on the side of the fixing plate (502) close to the axis.

6. A pneumatic monorail crane according to claim 1, characterized in that: Symmetrical connecting shafts (201) are fixed on both sides of the support plate (102), and the connecting shafts (201) are located at the upper end of the support plate (102).

7. A pneumatic monorail crane according to claim 6, characterized in that: The connecting shaft (201) is rotatably connected to a traveling wheel (202) on the side near the guide rail (101), and the traveling wheel (202) is rolled on the guide rail (101).

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