High-speed and low-speed window hanging machine

Abstract

The utility model provides a high-speed and low-speed window lifting machine, and relates to the technical field of lifting equipment. The device comprises a base, a motor fixedly connected to the base and a drum shaft rotationally connected to the base, and further comprises a stop lever, the stop lever is pivoted to the base, the stop lever corresponds to a first-gear state when rotating forwards, corresponds to a second-gear speed reduction state when rotating backwards, and corresponds to a neutral-gear state when rotating in the middle position; the first-stage transmission unit is installed between the motor and the winding drum shaft and connected with the push-pull end of the stop lever, and in the first-gear state, the winding drum shaft and the motor are in transmission through the first-stage transmission unit; the second-stage transmission unit is installed between the motor and the winding drum shaft and connected with the push-pull end of the stop lever, and in the second-gear speed reduction state, the winding drum shaft and the motor are in transmission through the second-stage transmission unit; and in the neutral gear state, the motor is separated from the drum shaft. High-speed and low-speed hoisting selection can be carried out according to the cargo weight, rapid no-load release is achieved, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, especially a kind of fast and slow hanging window machine. BACKGROUND

[0002] The existing hoisting machinery product can only rely on driving wheel to drive driven wheel when lowering rope in hoisting operation, rely on motor speed to lower, there is great limitation, hoisting operation cannot adjust lifting speed according to cargo weight, speed is single, limitation is also very strong, overall efficiency is low.

[0003] Therefore, there is an urgent need for a fast and slow hanging window machine that can select high and low speed lifting according to cargo weight, achieve rapid empty release and has wide application range. UTILITARY MODEL CONTENT

[0004] The utility model discloses a kind of fast and slow hanging window machines, solve the technical problems of single hoisting speed and low operation efficiency in prior art. The preferred technical solutions in many technical solutions provided by the utility model can produce many technical effects, which are described as follows.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] The utility model provides a kind of fast and slow hanging window machine, including base, motor fixedly connected on the base, rotationally connected reel shaft on the base, further comprising:

[0007] Stop lever, the stop lever is pivoted on the base, the stop lever is forward rotation and corresponds to a stop state, the stop lever is reverse rotation and corresponds to two stop deceleration states, the stop lever is in the middle and corresponds to idle state;

[0008] Primary transmission unit, the primary transmission unit is installed between the motor and the reel shaft, and is connected with the push-pull end of the stop lever, when one stop state, the reel shaft and the motor are driven through the primary transmission unit;

[0009] Secondary transmission unit, the secondary transmission unit is installed between the motor and the reel shaft, and is connected with the push-pull end of the stop lever, when two stop deceleration states, the reel shaft and the motor are driven through the secondary transmission unit;

[0010] When idle state, the motor is separated from the reel shaft.

[0011] Preferably, further comprising:

[0012] A sleeve is axially slidably sleeved on the output shaft of the motor and synchronously rotated with the output shaft, and is clamped with the push-pull end of the stop lever and fixedly connected with the driving end of the primary transmission unit and the secondary transmission unit.

[0013] Preferably, the primary transmission unit comprises:

[0014] A second driving wheel is coaxially fixedly connected to the sleeve;

[0015] A second driven wheel is coaxially fixedly connected to the reel shaft, and when the sleeve is axially slidably sleeved on the output shaft of the motor and synchronously rotated with the output shaft, the second driving wheel is engaged with the second driven wheel.

[0016] Preferably, the primary transmission unit comprises:

[0017] A first driving wheel is coaxially fixedly connected to the sleeve;

[0018] A first driven wheel is coaxially fixedly connected to the reel shaft, and when the sleeve is axially slidably sleeved on the output shaft of the motor and synchronously rotated with the output shaft, the first driving wheel is engaged with the first driven wheel.

[0019] Preferably, it further comprises:

[0020] A shift lever shaft is slidably connected to the base, a first end of the shift lever shaft is axially limited on the sleeve, and a second end of the shift lever shaft is connected with the push-pull end of the stop lever.

[0021] Preferably, it further comprises:

[0022] A pin is fixedly penetrated through the push-pull end of the stop lever;

[0023] A through hole is formed in the second end of the shift lever shaft, the pin sequentially penetrates through the through hole, the push-pull end of the stop lever, and the through hole, and the inner diameter of the through hole is greater than the outer diameter of the pin.

[0024] Preferably, it further comprises:

[0025] A ratchet wheel is coaxially fixedly connected to the reel shaft;

[0026] A pawl is pivotally connected to the base, a first end of the pawl is tangentially fitted between adjacent teeth on the ratchet wheel;

[0027] A limiter is installed on the motor and located below a second end of the pawl.

[0028] Preferably, further comprising:

[0029] A brake cylinder is fixedly connected on the drum shaft coaxially;

[0030] A brake belt is fixedly connected on the base at a first end, and a second end of the brake belt is passed through the brake cylinder and is pivoted with the base through a handle.

[0031] In the technical scheme, the stop lever is installed on the base, and when the stop lever is in the middle position, the corresponding neutral state is achieved, at this time, the steel wire rope wound on the drum shaft is released quickly according to the weight, and the quick no-load release is achieved, and the steel wire rope does not need to be driven to be released by the motor; when the crane is stopped, the stop lever is manually switched to the first gear state, the motor drives the drum shaft to rotate through the first gear unit, and the high-speed lifting of the light goods is achieved; when the crane is stopped, the stop lever is manually switched to the second gear deceleration state, the motor drives the drum shaft to rotate through the first gear unit, and the low-speed lifting of the heavy goods is achieved; before the lifting operation, the high speed or low speed can be freely selected according to the weight of the goods, and the efficient and safe operation is achieved. Overall, the application can select the high speed or low speed according to the weight of the goods, achieve the quick no-load release, and has a wide range of applications. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0033] Fig. 1 is a top view direction schematic view of the present application;

[0034] Fig. 2 is a shaft side schematic view of the present application;

[0035] Fig. 3 is a buckle front view direction schematic view of the present application.

[0036] In the figure, 1 is a base; 2 is a motor; 3 is an output shaft; 4 is a first driving wheel; 5 is a second driving wheel; 6 is a shift fork; 7 is a sleeve; 8 is a buckle; 9 is a stop lever; 10 is a pin; 11 is a through hole; 12 is a shift fork shaft; 14 is a handle; 15 is a brake belt; 16 is a brake cylinder; 17 is a second driven wheel; 18 is a first driven wheel; 19 is a ratchet wheel; 20 is a choke; 21 is a limiter; 22 is a drum shaft; 23 is a fixed plate; 24 is a U-shaped groove; 25 is a clamping plate. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. 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 belong to the scope protected by the utility model.

[0038] Reference Figs. 1-3 The specific embodiment of the utility model provides a kind of fast and slow hanging window machine, including base 1, motor 2 of fixed connection on base 1, rotating connection reel shaft 22 on base 1, further comprising:

[0039] Stop lever 9, pivot in base 1 in stop lever 9, corresponding one stop state when stop lever 9 forward rotation, corresponding two stop deceleration state when stop lever 9 reverse rotation, corresponding idle state when stop lever 9 middle position;

[0040] Primary transmission unit, primary transmission unit is installed between motor 2 and reel shaft 22, and is connected with the push-pull end of stop lever 9, reel shaft 22 and motor 2 are driven by primary transmission unit when one stop state;

[0041] Secondary transmission unit, secondary transmission unit is installed between motor 2 and reel shaft 22, and is connected with the push-pull end of stop lever 9, reel shaft 22 and motor 2 are driven by secondary transmission unit when two stop deceleration state;

[0042] When idle state, the motor 2 is separated from the reel shaft 22.

[0043] The existing hoisting mechanical product can only rely on driving wheel to drive driven wheel when rope is lowered under hoisting operation, relies on motor speed to lower, has great limitation, cannot adjust lifting speed according to the weight of goods during hoisting operation, speed is single, limitation is also very strong, overall efficiency is low.In the application, stop lever 9 is installed on base 1, corresponding idle state when stop lever 9 middle position, at this time, steel wire rope wound on reel shaft 22 realizes fast lowering according to dead weight, realizes fast no-load release, without driving steel wire rope to lower by motor 2;When stopping, manually dial stop lever 9 to switch to one stop state, motor 2 drives reel shaft 22 to rotate by primary transmission unit, realizes high-speed lifting of lighter goods;When stopping, manually dial stop lever 9 to switch to two stop deceleration state, motor 2 drives reel shaft 22 to rotate by primary transmission unit, realizes low-speed lifting of heavier goods;Before hoisting operation, high-low speed can be freely selected according to the weight of goods to be lifted, to realize efficient and safe operation.Overall, the application can select high-low speed lifting according to the weight of goods, realize fast no-load release, and has wide range of application.

[0044] Further optimization scheme, further comprising:

[0045] The sleeve 7 is axially slidably sleeved on the output shaft 3 of the motor 2 and synchronously rotates with the output shaft 3, the sleeve 7 is clamped with the push-pull end of the stop lever 9 and fixedly connected with the driving end of the primary transmission unit and the secondary transmission unit.

[0046] When the stop lever 9 is manually pushed, the sleeve 7 is synchronously pulled, so that the driving end and the driven end in the primary transmission unit or the secondary transmission unit are driven, and then the motor 2 and the drum shaft 22 are driven.

[0047] Further optimization scheme, the primary transmission unit includes:

[0048] The second driving wheel 5 is coaxially fixedly connected to the sleeve 7;

[0049] The second driven wheel 17 is coaxially fixedly connected to the drum shaft 22, and when the sleeve 7 is axially slidably sleeved on the output shaft 3 by forward rotation of the stop lever 9 to enter a stop state, the second driving wheel 5 is engaged with the second driven wheel 17.

[0050] Further optimization scheme, the primary transmission unit includes:

[0051] The first driving wheel 4 is coaxially fixedly connected to the sleeve 7;

[0052] The first driven wheel 18 is coaxially fixedly connected to the drum shaft 22, and when the sleeve 7 is axially slidably sleeved on the output shaft 3 by reverse rotation of the stop lever 9 to enter a two-stop speed reduction state, the first driving wheel 4 is engaged with the first driven wheel 18.

[0053] The addendum circle diameter of the second driving wheel 5 is greater than the addendum circle diameter of the first driving wheel 4, and the addendum circle diameter of the second driven wheel 17 is less than the addendum circle diameter of the first driven wheel 18; when the second driving wheel 5 is engaged with the second driven wheel 17, the high-speed lifting corresponding to the lighter goods is realized; when the first driving wheel 4 is engaged with the first driven wheel 18, the low-speed lifting corresponding to the heavier goods is realized.

[0054] Further optimization scheme, further includes:

[0055] The shift lever shaft 12 is slidably connected to the base 1, the first end of the shift lever shaft 12 is axially limited on the sleeve 7, and the second end of the shift lever shaft 12 is connected with the push-pull end of the stop lever 9.

[0056] The main function of the shift lever shaft 12 is to push the sleeve 7 to slide on the output shaft 3, wherein the shift lever of the first end of the shift lever shaft 12 is limited on the circumferential side of the sleeve 7.

[0057] Further optimization scheme, further includes:

[0058] Pin 10, pin 10 fixed through the push-pull end of the stop lever 9;

[0059] Through hole 11, through hole 11 is provided in the second end of the shift shaft 12, the pin 10 passes through the through hole 11, the push-pull end of the stop lever 9 and the through hole 11 in turn, the inner diameter of the through hole 11 is greater than the outer diameter of the pin 10.

[0060] The stop lever 9 is pivoted to the base 1 near the middle end, one end of the stop lever 9 is provided as a manual end, and the other end is provided as a push-pull end, the push-pull end is connected with the second end of the shift shaft 12 through the pin 10 and the through hole 11, wherein the inner diameter of the through hole 11 is greater than the outer diameter of the pin 10, the main role of such arrangement is that when the stop lever 9 rotates, the movement track of the push-pull end is arc-shaped, which ensures that the push-pull end can smoothly drive the shift shaft 12 to slide axially, and the pin 10 moves in an arc shape in the through hole 11.

[0061] Further optimization scheme, still includes:

[0062] Ratchet 19, ratchet 19 coaxial fixed connection in the drum shaft 22;

[0063] Choking 20, choking 20 is pivoted to the base 1, the first end of the choking 20 is adapted between the adjacent teeth on the ratchet 19 along the tangential direction of the ratchet 19;

[0064] Limiting device 21, limiting device 21 is installed on the motor 2 and located below the second end of the choking 20.

[0065] When the drum shaft 22 rotates positively, and during the load lifting process, the ratchet 19 rotates by a certain angle, the first end of the choking 20 is lifted by the tooth and then falls into the adjacent tooth, so that the drum shaft 22 cannot reverse; the main role of the limiting device 21 is to control the forward and reverse rotation of the motor 2; when the second end of the choking 20 is manually pressed down, the second end of the choking 20 contacts the limiting device 21, at this time the motor 2 is in the energized reverse gear position, the drum shaft 22 can be released by the motor 2 driving, or it can be released by the weight of the steel wire rope (neutral state).

[0066] Further optimization scheme, still includes:

[0067] Brake drum 16, brake drum 16 coaxial fixed connection in the drum shaft 22;

[0068] Brake belt 15, the first end of the brake belt 15 is fixedly connected to the base 1, and the second end of the brake belt 15 passes through the brake drum 16 and is pivoted to the base 1 through the handle 14.

[0069] In the neutral state, in order to control the speed of the steel wire rope, the handle 14 is manually actuated to drive the brake belt 15 to approach and tightly contact the brake drum 16, so as to generate a friction force, and the size of the friction force is controlled according to the manual actuation force, so as to control the lowering speed.

[0070] Further optimization scheme, further optimization scheme also includes:

[0071] The buckle 8 is installed on the base 1 and corresponds to the hand-held end and the push-pull end of the blocking rod 9 and the second end of the choke 20, respectively.

[0072] When the blocking rod 9 is manually actuated to the neutral state, the blocking rod 9 is not limited by the buckle 8; when the blocking rod 9 is manually actuated to the first gear state, the hand-held end of the blocking rod 9 is limited by the buckle 8, and the push-pull end of the blocking rod 9 is away from the buckle 8; when the blocking rod 9 is manually actuated to the second gear deceleration state, the push-pull end of the blocking rod 9 is limited by the buckle 8, and the hand-held end of the blocking rod 9 is away from the buckle 8; when the second end of the choke 20 is manually pressed down, the second end of the choke 20 contacts the stopper 21, and the second end of the choke 20 is limited by the buckle 8.

[0073] Further optimization scheme, the buckle 8 includes:

[0074] The fixed plate 23 is fixedly connected to the base 1;

[0075] The U-shaped groove 24 is provided on the fixed plate 23, and the opening end of the U-shaped groove 24 faces the blocking rod 9 or the choke 20;

[0076] The clamping plate 25 is rotatably connected to the fixed plate 23, the first end of the clamping plate 25 is located in the U-shaped groove 24, and the first end of the clamping plate 25 is abutted on the clamping plate 25 through the gravity of the second end of the clamping plate 25.

[0077] In the initial state, the first end of the clamping plate 25 is located in the U-shaped groove 24 and abuts on the clamping plate 25 under the action of the gravity of the second end of the clamping plate 25; when the blocking rod 9 or the choke 20 slides into the U-shaped groove 24, the first end of the clamping plate 25 is first pushed to rotate a certain angle, when the blocking rod 9 or the choke 20 slides into the bottom of the U-shaped groove 24, the first end of the clamping plate 25 is restored to the initial state through the gravity of the second end of the clamping plate 25, and the blocking rod 9 or the choke 20 cannot be pulled out of the U-shaped groove 24 without rotating the clamping plate 25.

[0078] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A fast and slow window hanging machine, characterized in that, The system includes a base (1), a motor (2) fixedly connected to the base (1), and a drum shaft (22) rotatably connected to the base (1). It also includes: The stop lever (9) is pivotally connected to the base (1). When the stop lever (9) rotates in the forward direction, it corresponds to the first gear state. When the stop lever (9) rotates in the reverse direction, it corresponds to the second gear deceleration state. When the stop lever (9) is in the middle position, it corresponds to the neutral gear state. A primary transmission unit is installed between the motor (2) and the drum shaft (22) and is connected to the push-pull end of the stop bar (9). In the first gear state, the drum shaft (22) and the motor (2) are driven by the primary transmission unit. A secondary transmission unit is installed between the motor (2) and the drum shaft (22) and is connected to the push-pull end of the stop bar (9). In the second gear deceleration state, the drum shaft (22) and the motor (2) are driven by the secondary transmission unit. When in neutral, the motor (2) is separated from the drum shaft (22).

2. The fast and slow speed window hanging machine according to claim 1, characterized in that, Also includes: Sleeve (7) is axially slidably sleeved on the output shaft (3) of the motor (2) and rotates synchronously with the output shaft (3). The sleeve (7) is engaged with the push-pull end of the stop rod (9) and is fixedly connected to the active end of the first-stage transmission unit and the second-stage transmission unit.

3. The fast and slow speed window hanging machine according to claim 2, characterized in that, The primary transmission unit includes: The second driving wheel (5) is coaxially fixedly connected to the sleeve (7); The second driven wheel (17) is coaxially fixedly connected to the drum shaft (22). When the sleeve (7) is axially slid by rotating the stop bar (9) in the forward direction and enters the first gear state, the second driving wheel (5) meshes with the second driven wheel (17).

4. The fast and slow speed window hanging machine according to claim 2, characterized in that, The primary transmission unit includes: The first driving wheel (4) is coaxially fixedly connected to the sleeve (7); The first driven wheel (18) is coaxially fixedly connected to the drum shaft (22). When the sleeve (7) is axially slid by rotating the stop lever (9) in the opposite direction and enters the second gear deceleration state, the first driving wheel (4) meshes with the first driven wheel (18).

5. The fast and slow speed window hanging machine according to claim 2, characterized in that, Also includes: The shift fork shaft (12) is slidably connected to the base (1). The first end of the shift fork shaft (12) is axially limited on the sleeve (7). The second end of the shift fork shaft (12) is connected to the push-pull end of the stop bar (9).

6. The fast and slow speed window hanging machine according to claim 5, characterized in that, Also includes: Pin (10), said pin (10) is fixedly inserted through the push-pull end of the stop bar (9); A through hole (11) is formed at the second end of the shift fork shaft (12). The pin (10) passes through the through hole (11), the push-pull end of the stop bar (9), and the through hole (11) in sequence. The inner diameter of the through hole (11) is larger than the outer diameter of the pin (10).

7. The fast and slow speed window hanging machine according to claim 1, characterized in that, Also includes: A ratchet (19) is coaxially fixedly connected to the drum shaft (22); A ratchet (20) is pivotally connected to the base (1), and the first end of the ratchet (20) is tangentially adapted between adjacent teeth on the ratchet (19) along the ratchet (19); A limiter (21) is mounted on the motor (2) and located below the second end of the choke (20).

8. The fast and slow speed window hanging machine according to claim 1, characterized in that, Also includes: Brake cylinder (16), which is coaxially fixedly connected to the drum shaft (22); Brake band (15), the first end of the brake band (15) is fixedly connected to the base (1), the second end of the brake band (15) passes around the brake cylinder (16) and is pivotally connected to the base (1) via the handle (14).

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