CN214692980U

CN214692980U - Adjustable telescopic arm of small crane

Info

Publication number: CN214692980U
Application number: CN202120510406.XU
Authority: CN
Inventors: 王军华; 薛灵巧; 尹楚越
Original assignee: Guizhou Pangyuan Machinery Engineering Co ltd
Current assignee: Guizhou Pangyuan Machinery Engineering Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-12
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses an adjustable telescopic arm of a small crane, which comprises a main frame, wherein the end surface of the main frame side is fixedly connected with a first telescopic arm, the first telescopic arm comprises a fixed seat, a protective arm, a hydraulic telescopic rod, a limit lifting ring, a fixed plate and a fixed ring, the fixed plate is fixedly connected with the upper end surface of the fixed seat, the fixed ring is fixedly connected with the upper end surface of the fixed plate, two groups of the protection arms are fixedly connected to the end face of one side of the fixed seat, the hydraulic telescopic rod is fixedly connected to the end face of one side of the fixed seat, the limiting lifting ring is fixedly connected with the lower end surface of the fixed seat, the upper end surface of the first telescopic arm is fixedly connected with a telescopic arm reinforcing module, the telescopic arm reinforcing module comprises a compression column, an auxiliary block, a pull rope, a fixing sheet, a cylinder and a bottom plate, the cylinder fixed connection is at the bottom plate up end, compression post one end sliding connection deviates from bottom plate one end at the cylinder. The utility model discloses there is very strong guard action to flexible arm, and flexible arm can stretch out and draw back and adjust.

Description

Adjustable telescopic arm of small crane

Technical Field

The utility model relates to a little loop wheel machine technical field specifically is a flexible arm with adjustable little loop wheel machine.

Background

The small cranes in the current market are more in variety, most of the small cranes are upright post supporting cranes, and the small cranes mainly comprise a motor host, an upright post rod and a suspension arm in structure. The upright post supporting and hoisting machine is fixed by supporting a roof with an upright post rod, the suspension arm extends out of the window, and a steel wire rope of a motor hoists objects to a high altitude and transfers the objects into a room through the combination of a pulley of the rotating arm sleeve and a pulley at the top end of the suspension arm.

The length of the telescopic arm of the current crane is fixed, and the length of the telescopic arm cannot be adjusted and cannot adapt to different working environments; meanwhile, when the telescopic arm of the existing crane lifts a heavy weight, the telescopic arm has the risk of breaking under the condition of extension; and when the existing crane lifts the heavy object to move, the heavy object swings, the stress of the lifting rope winding motor can be increased, and the lifting rope winding motor is extremely easy to damage when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible arm with adjustable little loop wheel machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable telescopic arm of a small crane comprises a main frame, wherein a first telescopic arm is fixedly connected to the end face of the main frame side, the first telescopic arm comprises a fixing seat, a protection arm, a hydraulic telescopic rod, a limiting lifting ring, a fixing plate and a fixing ring, the fixing plate is fixedly connected to the upper end face of the fixing seat, the fixing ring is fixedly connected to the upper end face of the fixing plate, two groups of protection arms are fixedly connected to the end face of the fixing seat side, the hydraulic telescopic rod is fixedly connected to the end face of the fixing seat side, the limiting lifting ring is fixedly connected to the lower end face of the fixing seat, a telescopic arm reinforcing module is fixedly connected to the upper end face of the first telescopic arm, the telescopic arm reinforcing module comprises a compression column, an auxiliary block, a pull rope, a fixing sheet, a cylinder and a bottom plate, the cylinder is fixedly connected to the upper end face of the bottom plate, one end of the compression column is slidably connected to the end of the cylinder, which is far away from the bottom plate, the auxiliary block is fixedly connected at one end, deviating from the air cylinder, of the compression column, the pull rope is installed inside the auxiliary block, two groups of fixed plates are fixedly connected at two ends of the pull rope, a second telescopic arm is installed inside the first telescopic arm, the second telescopic arm comprises a fixed arm, an arm rod pulley, a lifting rope, a lifting hook and a support sleeve, the support sleeve is fixedly connected to the side end face of the fixed arm, the arm rod pulley is fixedly connected to one side of the lower end face of the fixed arm, the lifting rope is installed inside the arm rod pulley, the lifting hook is fixedly connected to one end of the lifting rope, a lifting rope protection module is fixedly connected to the bottom of the side end face of the main frame, the lifting rope protection module comprises a female seat, a limiting groove, an electric push rod, a sub-seat, a limiting block and a lifting rope winding motor, the female seat is fixedly connected to the upper end face of the lifting rope winding motor, the limiting groove is formed in the side end face of the female seat, one end of the electric push rod is fixedly connected to the side end face of the female seat, the sub-base is fixedly connected to one end, deviating from the limiting groove, of the electric push rod, and the limiting block is fixedly connected to the side end face of one side of the sub-base.

Preferably, the first telescopic arm and the lifting rope protection module are arranged on the same side of the main frame, and the first telescopic arm is arranged above the lifting rope protection module.

Preferably, the protection arms and the hydraulic telescopic rods are fixedly connected to one side, away from the main frame, of the fixing seat, and the hydraulic telescopic rods are fixed between the two groups of protection arms.

Preferably, the fixed arm up end deviates from and supports cover one side fixedly connected with fixed plate, and fixed plate up end fixedly connected with solid fixed ring, two sets of stationary blades respectively with the solid fixed ring fixed connection of fixing base and fixed arm up end.

Preferably, the end face of the side of the support sleeve is provided with a sliding groove matched with the protection arms in size and position, the fixed arm slides between the two groups of protection arms, and one end of the fixed arm fixing support sleeve is fixedly connected with one end of the hydraulic telescopic rod departing from the fixed seat.

Preferably, the lifting rope deviates from one end of the lifting hook and penetrates through the limiting lifting ring to be fixed inside the lifting rope winding motor, and the lifting rope is arranged on one side, adjacent to the sub seat, of the female seat.

Preferably, the limiting groove and the limiting block are arranged on one adjacent side of the female seat and the sub-seat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an at the first flexible arm of body frame side end face fixed connection, at first flexible arm one side fixed connection two sets of protection arms and hydraulic telescoping rod, and hydraulic telescoping rod is between two sets of protection arms, the sliding connection fixed arm between two sets of protection arms simultaneously, support the cover at fixed arm side end face fixed connection, support the cover side end face and set up the sliding tray with protection arm size position looks adaptation, and the one end of fixed arm fixed support cover and the one end fixed connection that hydraulic telescoping rod deviates from the fixing base, make through the gliding position of hydraulic telescoping rod adjustable fixed arm between two sets of protection arms, and support the cover and keep the fixed arm in the horizontality, and then accomplish the flexible of flexible arm, thereby it is fixed to have solved the flexible arm length of current loop wheel machine, the length of flexible arm can't be adjusted, can't adapt to different operational environment.

2. The utility model discloses a fixed plate is fixedly connected with the upper end face of the first telescopic arm and the second telescopic arm which are deviated from one end, a fixed ring is fixedly connected with the upper end face of the fixed plate, a bottom plate is fixedly connected with the upper end face of the first telescopic arm which is deviated from one side of the fixed plate, one end of a cylinder is fixedly connected with the upper end face of the bottom plate, one end of the cylinder which is deviated from the bottom plate is slidably connected with one end of a compression column, an auxiliary block is fixedly connected with the upper end face of the compression column, the position of the compression column in the cylinder can be adjusted when the auxiliary block is pressed, a pull rope is arranged in the auxiliary block, a group of fixed plates are fixedly connected with the two ends of the pull rope, the two groups of fixed plates are respectively fixedly connected with a fixed seat and the fixed ring of the upper end face of the fixed plate, when the first telescopic arm is extended, a group of downward pressure can be applied to the auxiliary block to compress the compression column in the cylinder, the compression column can have a group of upward lifting force to the auxiliary block under the action of the cylinder, lifting force can be acted on the stay cord to accomplish upwards drawing first flexible arm and the flexible arm of second, and then guarantee to hang up the damage that can not cause flexible arm of heavier weight behind the flexible arm extension, thereby solved current loop wheel machine flexible arm when hanging up heavier weight, flexible have cracked risk under the extension condition.

3. The utility model has the advantages that the lifting rope protection module is fixedly connected at the bottom of the side end face of the main frame, the female seat is fixedly connected at the upper end face of the lifting rope protection module, the limit groove is arranged at the side end face of one side of the female seat, one end of the electric push rod is fixedly connected at the side end face of the female seat, the other end of the electric push rod is fixedly connected at the side end face of the sub-seat, and the limit block matched with the size and the position of the limit groove is fixedly connected at the side end face of the sub-seat, so that the limit block can be adjusted by the electric push rod to enter the limit groove, meanwhile, one end of the lifting rope is fixed in the lifting rope protection module, the lifting rope is arranged at one side of the female seat adjacent to the sub-seat, the other end of the lifting rope is fixedly connected with the lifting hook, the lifting rope can be clamped by adjusting the position of the limit groove and the limit block, and the swinging of the heavy object in the horizontal moving process can be effectively ensured not to influence the lifting rope rolling motor, thereby solving the swinging of the heavy object when the existing crane moves the heavy object, the stress of the lifting rope winding motor can be increased, and the service life of the lifting rope winding motor is shortened.

Drawings

FIG. 1 is a schematic view of the main structure of the device of the present invention;

fig. 2 is a schematic sectional view of a first telescopic boom of the present invention;

fig. 3 is a schematic structural view of the telescopic boom fastening device of the present invention;

fig. 4 is a schematic structural view of a second telescopic arm of the present invention;

fig. 5 is a schematic structural diagram of the emergency protection module of the present invention.

In the figure: the device comprises a main frame 1, a first telescopic arm 2, a first telescopic arm 3, a telescopic arm reinforcing module 4, a second telescopic arm 5, an emergency protection module 6, a fixed seat 7, a protection arm 8, a hydraulic rod 9, a limiting lifting ring 10, a fixed plate 11, a fixed ring 12, a compression column 13, an auxiliary block 14, a pull rope 15, a fixed plate 15, a cylinder 16, a bottom plate 17, a fixed arm 18, an arm rod pulley 19, a lifting rope 20, a lifting hook 21, a supporting sleeve 22, a female seat 23, a limiting groove 24, an electric push rod 25, a sub seat 26, a limiting block 27 and a lifting rope winding motor 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: an adjustable telescopic arm of a small crane comprises a main frame 1, a first telescopic arm 2 is fixedly connected to the end face of the main frame 1, the first telescopic arm 2 comprises a fixing seat 6, a protection arm 7, a hydraulic telescopic rod 8, a limit lifting ring 9, a fixing plate 10 and a fixing ring 11, the fixing plate 10 is fixedly connected to the upper end face of the fixing seat 6, the fixing ring 11 is fixedly connected to the upper end face of the fixing plate 10, two groups of protection arms 7 are fixedly connected to the end face of one side of the fixing seat 6, the hydraulic telescopic rod 8 is fixedly connected to the end face of one side of the fixing seat 6, the limit lifting ring 9 is fixedly connected to the lower end face of the fixing seat 6, a telescopic arm reinforcing module 3 is fixedly connected to the upper end face of the first telescopic arm 2, the telescopic arm reinforcing module 3 comprises a compression column 12, an auxiliary block 13, a pull rope 14, a fixing plate 15, a cylinder 16 and a bottom plate 17, the cylinder 16 is fixedly connected to the upper end face of the bottom plate 17, one end of the compression column 12 is slidably connected to the end of the cylinder 16, which is far away from the bottom plate 17, the auxiliary block 13 is fixedly connected at one end of the compression column 12, which is far away from the cylinder 16, the pulling rope 14 is installed inside the auxiliary block 13, two sets of fixing pieces 15 are fixedly connected at two ends of the pulling rope 14, the second telescopic arm 4 is installed inside the first telescopic arm 2, the second telescopic arm 4 comprises a fixing arm 18, an arm rod pulley 19, a lifting rope 20, a lifting hook 21 and a supporting sleeve 22, the supporting sleeve 22 is fixedly connected at the end face of the side of the fixing arm 18, the arm rod pulley 19 is fixedly connected at one side of the lower end face of the fixing arm 18, the lifting rope 20 is installed inside the arm rod pulley 19, the lifting hook 21 is fixedly connected at one end of the lifting rope 20, the bottom of the end face of the side of the main frame 1 is fixedly connected with the lifting rope protection module 5, the lifting rope protection module 5 comprises a female seat 23, a limiting groove 24, an electric push rod 25, a sub-seat 26, a limiting block 27 and a lifting rope motor winding 28, the female seat 23 is fixedly connected at the upper end face of the lifting rope motor 28, the limiting groove 24 is opened at one side of the female seat 23, one end of the electric push rod 25 is fixedly connected to the side end face of the female seat 23, the sub-seat 26 is fixedly connected to the end, deviating from the limiting groove 24, of the electric push rod 25, and the limiting block 27 is fixedly connected to the side end face of the sub-seat 26.

The first telescopic arm 2 and the lifting rope protection module 5 are arranged on the same side of the main frame 1, the first telescopic arm 2 is arranged above the lifting rope protection module 5, the protection arm 7 and the hydraulic telescopic rod 8 are fixedly connected on one side of the fixing seat 6, which is far away from the main frame 1, the hydraulic telescopic rod 8 is fixed between the two groups of protection arms 7, the upper end surface of the fixing arm 18, which is far away from the supporting sleeve 22, is fixedly connected with a fixing plate 10, the upper end surface of the fixing plate 10 is fixedly connected with a fixing ring 11, two groups of fixing pieces 15 are respectively fixedly connected with the fixing ring 11 on the upper end surfaces of the fixing seat 6 and the fixing arm 18, the end surface of the supporting sleeve 22 is provided with a sliding groove matched with the size position of the protection arm 7, the fixing arm 18 slides between the two groups of protection arms 7, one end of the fixing arm 18, which is fixedly connected with one end of the hydraulic telescopic rod 8, which is far away from the fixing seat 6, one end of the lifting rope 20, which is far away from the lifting hook 21, penetrates through the limiting lifting ring 9 and then is fixed inside the lifting rope winding motor 28, the lifting rope 20 is arranged at one side of the female seat 23 adjacent to the sub-seat 26, and the limiting groove 24 and the limiting block 27 are arranged at one side of the female seat 23 adjacent to the sub-seat 26.

The working principle is as follows: the flexible arm is when using earlier with the heavy object through lifting hook 21 hook, through lifting rope rolling motor 28 with lifting rope 20 rolling, and then hoist the heavy object, then adjust stopper 27 to the inside tight one section with lifting rope 20 of spacing groove 24 through electric putter 25, the flexible of fixed arm 18 is adjusted to rethread hydraulic telescoping rod 8, in order to adjust the heavy object and rise and the displacement, fixed arm 18 can be through auxiliary block 13 when stretching out, stay cord 14 and stationary blade 15 can be adjusted compression post 12 in the inside position of cylinder 16, the effort that returns through cylinder 16 protects fixed arm 18, then adjust the length of lifting rope 20 through lifting rope rolling motor 28 and hang the heavy object to suitable position, and then accomplish the lifting and the transfer to the heavy object.

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 flexible arm with adjustable little loop wheel machine, includes body frame (1), its characterized in that: body frame (1) side end face fixedly connected with first flexible arm (2), first flexible arm (2) is including fixing base (6), protection arm (7), hydraulic telescoping rod (8), spacing rings (9), fixed plate (10) and solid fixed ring (11), fixed plate (10) fixed connection is at fixing base (6) up end, gu fixed ring (11) fixed connection is at fixed plate (10) up end, protection arm (7) are two sets of fixed connection in fixing base (6) one side end face altogether, hydraulic telescoping rod (8) fixed connection is at fixing base (6) one side end face, terminal surface under spacing rings (9) fixed connection fixing base (6), first flexible arm (2) up end fixedly connected with flexible arm reinforcement module (3), flexible arm reinforcement module (3) are including compression post (12), supplementary piece (13) end face, Stay cord (14), stationary blade (15), cylinder (16) and bottom plate (17), cylinder (16) fixed connection is at bottom plate (17) up end, compression post (12) one end sliding connection deviates from bottom plate (17) one end in cylinder (16), auxiliary block (13) fixed connection deviates from cylinder (16) one end in compression post (12), stay cord (14) are installed inside auxiliary block (13), stationary blade (15) are two sets of fixed connection totally and are in stay cord (14) both ends, first flexible arm (2) internally mounted has flexible arm of second (4), flexible arm of second (4) includes fixed arm (18), arm pole pulley (19), lifting rope (20), lifting hook (21) and support cover (22), support cover (22) fixed connection is in fixed arm (18) side end face, arm pole pulley (19) fixed connection is in fixed arm (18) lower terminal surface one side, the utility model discloses a lifting rope, including frame (1) side end face bottom fixedly connected with lifting rope protection module (5), lifting hook (21) fixed connection is in lifting rope (20) one end, main frame (1) side end face bottom fixedly connected with lifting rope protection module (5), lifting rope protection module (5) are including female seat (23), spacing groove (24), electric putter (25), sub-seat (26), stopper (27) and lifting rope rolling motor (28), female seat (23) fixed connection is at lifting rope rolling motor (28) up end, spacing groove (24) are seted up at female seat (23) one side end face, electric putter (25) one end fixed connection is in female seat (23) side end face, sub-seat (26) fixed connection deviates from spacing groove (24) one end at electric putter (25), stopper (27) side end fixed connection is at sub-seat (26) one side end face.

2. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: the first telescopic arm (2) and the lifting rope protection module (5) are arranged on the same side of the main frame (1), and the first telescopic arm (2) is arranged above the lifting rope protection module (5).

3. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: the protection arm (7) and the hydraulic telescopic rod (8) are fixedly connected to one side, away from the main frame (1), of the fixing seat (6), and the hydraulic telescopic rod (8) is fixed between the two groups of protection arms (7).

4. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: fixed arm (18) up end deviates from and supports cover (22) one side fixedly connected with fixed plate (10), and fixed plate (10) up end fixedly connected with solid fixed ring (11), two sets of stationary blades (15) respectively with fixed ring (11) fixed connection of fixed base (6) and fixed arm (18) up end.

5. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: the end face of the side of the support sleeve (22) is provided with a sliding groove matched with the protection arms (7) in size and position, the fixed arm (18) slides between the two groups of protection arms (7), and one end of the fixed arm (18) fixing the support sleeve (22) is fixedly connected with one end of the hydraulic telescopic rod (8) deviating from the fixed seat (6).

6. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: the lifting rope (20) deviates from one end of the lifting hook (21) and penetrates through the limiting lifting ring (9) to be fixed inside the lifting rope winding motor (28), and the lifting rope (20) is arranged on one side, adjacent to the sub seat (26), of the female seat (23).

7. The adjustable telescopic arm of a small crane according to claim 1, characterized in that: the limiting groove (24) and the limiting block (27) are arranged on one adjacent side of the female seat (23) and the sub-seat (26).