CN111017761A

CN111017761A - Hoisting speed reducer for truck-mounted crane

Info

Publication number: CN111017761A
Application number: CN201911235718.8A
Authority: CN
Inventors: 皇甫少飞; 周磊; 郑斌; 黄金辉
Original assignee: Hunan Baite Truck Crane Co ltd
Current assignee: Hunan Baite Truck Crane Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-04-17

Abstract

The invention discloses a hoisting speed reducer for a truck-mounted crane, which comprises two connecting plates which are oppositely arranged, wherein a winding drum is rotatably connected between the two connecting plates, a gear box is arranged on one side of one connecting plate, a motor is fixed on the top of the gear box, the shaft end of the motor is connected with a speed reducer which is fixed on the top of the gear box, the speed reducer is in transmission connection with the inside of the gear box, an installation plate is connected between one sides of the two connecting plates, a movable notch is formed in the top of the installation plate, a sliding block is connected to the inner wall of the movable notch in a sliding manner, and a positioning sleeve is fixed on the top of the sliding block, so that a steel wire rope can be conveniently wound and unwound under the common action of all parts, a limiting device is arranged when the hoisting speed reducer is used, the speed reducer, and the double-layer limited steel wire rope reduces the accidental risk and meets the actual use requirement of the market.

Description

Hoisting speed reducer for truck-mounted crane

Technical Field

The invention relates to the technical field of hoisting speed reducers, in particular to a hoisting speed reducer for a truck-mounted crane.

Background

A winch, a light and small hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum, which is also called a winch. The winch can vertically lift, horizontally or obliquely drag heavy objects, can be used independently, and can also be used as a component part in machinery such as hoisting, road building, mine lifting and the like, and is widely applied due to simple operation, large rope winding amount and convenient displacement.

The winch applied to the truck-mounted crane frequently pulls up heavy objects, and the speed reducer on the winch is easy to damage, so that the winch speed reducer for the truck-mounted crane is provided for avoiding unnecessary loss and accidents.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hoisting speed reducer for a truck-mounted crane, which solves the problem that a speed reducer on the conventional hoisting machine is large in loss and easy to damage.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a hoisting speed reducer for a truck-mounted crane comprises two connecting plates which are oppositely arranged, a winding drum is rotatably connected between the two connecting plates, a gear box is installed on one side of one connecting plate, a motor is fixed on the top of the gear box, the shaft end of the motor is connected with a speed reducer which is fixed on the top of the gear box, the speed reducer is in transmission connection with the interior of the gear box, a mounting plate is connected between one sides of the two connecting plates, a movable notch is formed in the top of the mounting plate, a sliding block is connected to the inner wall of the movable notch in a sliding manner, a positioning sleeve is fixed on the top of the sliding block, a fixed plate is fixed on one side, far away from the connecting plates, of the mounting plate, a push rod motor is installed on the top of the fixed plate, a movable plate is connected, two the end that stretches out of movable rod is connected with the locating plate, the through-hole has been seted up on the locating plate, the both ends of locating plate all are connected with the activity and stretch into the inside kelly of through-hole, the end of stretching into of kelly is connected with the cardboard, the outer end of kelly is not connected with the guide block, one side that the fixed plate is close to the locating plate is fixed with the deflector that the symmetry set up, the inner wall slip setting of guide block and deflector, the winding has wire rope on the reel, wire rope passes the position sleeve and the activity runs through the fixed plate and follows two inside the through-hole stretch out between the cardboard.

Preferably, the one end of reel is connected with the pivot that stretches out the inside of gear box, the end of stretching into of pivot is connected with bevel gear, be connected with vertical setting and the activity on the reduction gear and stretch into the inside transmission shaft of gear box, the end of stretching into of transmission shaft is connected with the drive gear with bevel gear intermeshing.

Preferably, the movable notch is formed along the length direction of the mounting plate, sliding grooves are formed in the inner walls of the two sides of the movable notch, and the two sides of the sliding block are connected with the inner walls of the sliding grooves in a sliding mode.

Preferably, the guide plate medial surface is slope surface form structure, two distance between the guide plate diminishes gradually, two the guide way has all been seted up to the one side that the guide plate is close to each other, guide block sliding connection is in the guide way.

Preferably, the two clamping plates are of arc structures, and the distance between the two clamping plates is smaller than the diameter of the steel wire rope.

Preferably, a preset hole is formed in the fixed plate, the steel wire rope penetrates through the preset hole, and the steel wire rope is located below the movable plate.

(III) advantageous effects

The invention provides a hoisting speed reducer for a truck crane. The method has the following beneficial effects: under the combined action of each part, can be convenient for receive and release wire rope, and it sets up limiting device when using, avoids the reduction gear to receive great power to can protect the reduction gear, improve its life, and the double-deck wire rope of injecing reduces its unexpected risk, accords with market in-service use demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the fixing plate according to the present invention;

FIG. 3 is a schematic view of a positioning plate according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the gear case of the present invention.

In the figure: the automatic transmission device comprises a connecting plate 1, a winding drum 2, a gear box 3, a motor 4, a speed reducer 5, a mounting plate 6, a movable notch 7, a sliding block 8, a positioning sleeve 9, a fixing plate 10, a push rod motor 11, a movable plate 12, a movable rod 13, a positioning plate 14, a clamping rod 15, a clamping plate 16, a guide block 17, a guide plate 18, a through hole 19, a steel wire rope 20, a rotating shaft 21, a bevel gear 22, a transmission shaft 23 and a transmission gear 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hoisting speed reducer for a truck-mounted crane comprises two connecting plates 1 which are oppositely arranged, a winding drum 2 is rotatably connected between the two connecting plates 1, a gear box 3 is installed on one side of one connecting plate 1, a motor 4 is fixed on the top of the gear box 3, the shaft end of the motor 4 is connected with a speed reducer 5 fixed on the top of the gear box 3, the speed reducer 5 is in transmission connection with the inside of the gear box 3, a mounting plate 6 is connected between one sides of the two connecting plates 1, a movable notch 7 is formed in the top of the mounting plate 6, a slide block 8 is connected on the inner wall of the movable notch 7 in a sliding manner, a positioning sleeve 9 is fixed on the top of the slide block 8, a fixing plate 10 is fixed on one side of the mounting plate 6 away from the connecting plate 1, a push rod motor 11 is installed on the top, one side of fly leaf 12 is connected with the movable rod 13 that the symmetry set up and the activity runs through fixed plate 10, two the end that stretches out of movable rod 13 is connected with locating plate 14, through-hole 19 has been seted up on locating plate 14, the both ends of locating plate 14 all are connected with the activity and stretch into the inside kelly 15 of through-hole 19, the end that stretches into of kelly 15 is connected with cardboard 16, the outer end of kelly 15 is not connected with guide block 17, one side that fixed plate 10 is close to locating plate 14 is fixed with the deflector 18 that the symmetry set up, the inner wall of deflector 17 and deflector 18 slides and sets up, the winding has wire rope 20 on reel 2, wire rope 20 passes position sleeve 9 and the activity runs through fixed plate 10 and stretches out from inside two of through-hole 19 between the cardboard 16.

In order to make the better drive reel 2 of motor 4 rotate, the one end of reel 2 is connected with the pivot 21 that stretches out the inside of gear box 3, the end of stretching into of pivot 21 is connected with bevel gear 22, be connected with vertical setting on the reduction gear 5 and the activity stretches into the inside transmission shaft 23 of gear box 3, the end of stretching into of transmission shaft 23 is connected with the drive gear 24 with bevel gear 22 intermeshing, therefore motor 4 reaches the effect that brake control slows down through reduction gear 5, and the better drive reel 2 of mode through gear drive rolls up and unreels the operation.

In order to better enable the sliding block 8 to slide, the movable notch 7 is formed along the length direction of the mounting plate 6, sliding grooves are formed in the inner walls of the two sides of the movable notch 7, and the two sides of the sliding block 8 are connected with the inner walls of the sliding grooves in a sliding mode, so that when the steel wire rope 20 is wound and unwound, the sliding block 8 can slide along the inner walls of the sliding grooves, and the sliding block is better suitable for the winding and unwinding operation of the steel wire rope 20.

In order to further limit the steel wire rope 20, the inner side surfaces of the guide plates 18 are of a slope-shaped structure, the distance between the two guide plates 18 is gradually reduced, guide grooves are formed in the sides, close to each other, of the two guide plates 18, the guide blocks 17 are connected in the guide grooves in a sliding mode, the two clamping plates 16 are of an arc-shaped structure, and the distance between the two clamping plates 16 is smaller than the diameter of the steel wire rope 20, so that the steel wire rope 20 can be limited between the two clamping plates 16 when the steel wire rope 20 is used, the steel wire rope 20 is further limited, the limiting degree of the speed reducer 6 is reduced, and the use requirement is better met.

For better use, the fixed plate 10 is provided with a preset hole, the wire rope 20 passes through the preset hole, and the wire rope 20 is located below the movable plate 12.

The working principle is as follows: when the steel wire rope 20 is actually used, the movable plate 12 is driven to move under the action of the push rod motor 11, so that the movable rod 13 pulls the positioning plate 14 to move, the two guide blocks 17 slide along the guide grooves on the inner wall of the guide plate 18 to approach, the two clamping plates 16 can be tightly clamped on the steel wire rope 20 to achieve a further limiting effect, when the steel wire rope 20 is hung heavy, the bearing force of the steel wire rope 20 directly acts on the winding drum 2, the winding drum 2 has a tendency of driving the bevel gear 22 to rotate, the tendency is prevented from acting on the speed reducer 5 through the transmission gear 24, the steel wire rope is directly limited to reduce the speed for a long time and is damaged, and the use effect is influenced, thereby under the combined action of each part, can be convenient for receive and release wire rope, and it sets up limiting device when using, avoids the reduction gear to receive great power to can protect the reduction gear, improve its life, and the double-deck wire rope of injecing reduces its unexpected risk, accords with market in-service use demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist speed reducer that lorry-mounted hung usefulness, includes connecting plate (1) of two relative settings, its characterized in that: a winding drum (2) is rotatably connected between the two connecting plates (1), a gear box (3) is installed on one side of one connecting plate (1), a motor (4) is fixed on the top of the gear box (3), a speed reducer (5) fixed on the top of the gear box (3) is connected to the shaft end of the motor (4), the speed reducer (5) is in transmission connection with the inside of the gear box (3), a mounting plate (6) is connected between the two connecting plates (1), a movable notch (7) is formed in the top of the mounting plate (6), a sliding block (8) is connected to the inner wall of the movable notch (7) in a sliding manner, a positioning sleeve (9) is fixed on the top of the sliding block (8), a fixing plate (10) is fixed on one side, far away from the connecting plate (1), of the mounting plate (6), and a push rod motor, the push rod end of push rod motor (11) is connected with fly leaf (12), one side of fly leaf (12) is connected with movable rod (13) that the symmetry set up and the activity runs through fixed plate (10), two the end that stretches out of movable rod (13) is connected with locating plate (14), through-hole (19) have been seted up on locating plate (14), the both ends of locating plate (14) all are connected with the activity and stretch into through-hole (19) inside kelly (15), the end that stretches into of kelly (15) is connected with cardboard (16), the outer end of kelly (15) is not connected with guide block (17), one side that fixed plate (10) are close to locating plate (14) is fixed with deflector (18) that the symmetry set up, guide block (17) slide with the inner wall of deflector (18) and set up, the winding has wire rope (20) on reel (2), wire rope (20) pass position cover (9) and the activity runs through fixed plate (10) from inside two guide plate (19) The clamping plates (16) extend out of the middle.

2. The hoisting speed reducer for the truck-mounted crane according to claim 1, wherein: the one end of reel (2) is connected with stretches out inside pivot (21) of gear box (3), the end of stretching into of pivot (21) is connected with bevel gear (22), be connected with vertical setting and activity on reduction gear (5) stretch into inside transmission shaft (23) of gear box (3), the end of stretching into of transmission shaft (23) is connected with drive gear (24) with bevel gear (22) intermeshing.

3. The hoisting speed reducer for the truck-mounted crane according to claim 1, wherein: the movable notch (7) is formed along the length direction of the mounting plate (6), sliding grooves are formed in the inner walls of the two sides of the movable notch (7), and the two sides of the sliding block (8) are connected with the inner walls of the sliding grooves in a sliding mode.

4. The hoisting speed reducer for the truck-mounted crane according to claim 1, wherein: the inner side surface of each guide plate (18) is of a slope-shaped structure, the distance between every two guide plates (18) is gradually reduced, guide grooves are formed in one sides, close to each other, of the guide plates (18), and the guide blocks (17) are connected in the guide grooves in a sliding mode.

5. The hoisting speed reducer for the truck-mounted crane according to claim 1, wherein: the two clamping plates (16) are of arc structures, and the distance between the two clamping plates (16) is smaller than the diameter of the steel wire rope (20).

6. The hoisting speed reducer for the truck-mounted crane according to claim 1, wherein: the fixed plate (10) is provided with a preset hole, the steel wire rope (20) penetrates through the preset hole, and the steel wire rope (20) is located below the movable plate (12).