CN217126705U

CN217126705U - Anti-slip limiting device for crane trolley

Info

Publication number: CN217126705U
Application number: CN202220656835.2U
Authority: CN
Inventors: 单国祥
Original assignee: Changzhou Guoxiang Hoisting Machinery Co ltd
Current assignee: Changzhou Guoxiang Hoisting Machinery Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-05
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses an anti-slipping limiting device of a crane trolley, wherein a crane is arranged in a protective trolley, rolling wheels are symmetrically arranged on the two sides of the lower surface of the protective trolley, the rolling wheels are embedded and slidably arranged on a guide slideway, and the guide slideway is fixedly arranged on a sliding plane; the method comprises the following steps: the driving motor is fixedly arranged inside the protective trolley, and a speed reducer is arranged on the side surface of the driving motor; the mounting frame is fixedly mounted on the lower surface of the protective trolley, and the left side and the right side of the interior of the mounting frame are fixedly embedded with upper protective columns; and the side support is fixedly arranged on the side surface of the upper protective column, and an adjusting slide rod is connected inside the upper end of the side support in a penetrating manner. This prevent smooth monkey stop device of swift current adopts neotype structural design for this device is provided with protection dolly and pauses limit structure, can keep the stability that the protection dolly pauses, avoids the dolly the smooth phenomenon of swift current to appear.

Description

Anti-slip crane trolley limiting device

Technical Field

The utility model relates to a hoist technical field specifically is an anti-skidding monkey stop device.

Background

The hoist is a large-scale mechanical equipment for construction, controls it and installs in higher position, and through transmission structure control couple downstream, promotes the conveying to material or component, and control material or component are carried to high position from low position, and crane equipment sets up in the dolly, and it moves to slide on the slide to correspond through drive structure control dolly, and the building construction of assistance is used, but current some crane trolley still has certain problem at the in-process that uses:

1. when the crane trolley slides and moves through the driving structure, the crane trolley is controlled to be stopped quickly, at the moment, the crane trolley has the tendency of continuously sliding forwards under the action of inertia, the stability of the crane trolley during stopping is influenced, and the trolley roller is embedded on the slide way and is easy to slide;

2. the hoist wire rope structure of dolly at the in-process couple that pauses fast receives the inertia effect to produce certain rocking, and the length of cotton rope is longer the more the degree of rocking is big more, is unfavorable for the jack-up couple to pause fast.

Therefore, the limit device for the crane trolley is required to be designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiskid monkey stop device, with solve and propose the monkey in the above-mentioned background art when slideing and moving through the drive structure, control it and pause fast and get off, the dolly has the trend that continues to slide forward under the inertial action this moment, influence the stability when the dolly stops, dolly gyro wheel gomphosis slips easily on the slide, the hoist rope structure of dolly at the in-process couple that pauses fast receives the inertial action and produces certain rocking, the length of cotton rope is longer the rocking degree more big more, be unfavorable for the problem that the couple that pauses fast that plays.

In order to achieve the above object, the utility model provides a following technical scheme: a crane is arranged in a protective trolley, rolling wheels are symmetrically arranged on two sides of the lower surface of the protective trolley, the rolling wheels are embedded into a guide slideway in a sliding manner, and the guide slideway is fixedly arranged on a sliding plane;

an anti-skid crane trolley limiting device comprises:

the driving motor is fixedly installed inside the protective trolley, a speed reducer is installed on the side face of the driving motor, a winding rotary drum is rotatably connected to the side face of the lower end of the speed reducer, a winding rope is wound outside the winding rotary drum, and a lifting hook is fixedly installed at the lower end of the winding rope;

the mounting frame is fixedly mounted on the lower surface of the protective trolley, and the left side and the right side of the interior of the mounting frame are fixedly embedded with upper protective columns;

the side support is fixedly installed on the side face of the upper protection column, an adjusting slide rod penetrates through the inside of the upper end of the side support, a protection cover is fixedly installed on the side face of the adjusting slide rod, and meanwhile, a limiting wheel for controlling the crane trolley to move in a limiting mode is installed in the protection cover in a rotating mode.

Preferably, the upper surface below fixed mounting of mounting bracket has the hydraulic stem, just the flexible end welded fastening of hydraulic stem has the regulating block, and the regulating block outside is through bracing piece and regulation slide bar avris interconnect, and the regulating block lateral shifting can be controlled to the operation hydraulic stem.

Preferably, the adjusting slide bar and the side support form a transverse sliding structure, the adjusting slide bar is fixed to be an integrated driving structure through a support bar and an adjusting block, a tooth block is fixedly mounted on the lower surface of the adjusting slide bar, and the adjusting block can drive the adjusting slide bar with the lower end fixed to transversely move through the support bar during transverse movement.

Preferably, the lower extreme of side support still is provided with installation piece and telescopic link:

the mounting block is fixedly mounted on the lower surface of the side bracket, and a driving gear and a driven gear are rotatably mounted inside the mounting block;

the telescopic link, its connection is in driven gear's the outside, just the other end and the lower guard post interconnect of telescopic link, and the outside at the receipts rope is established to lower guard post cover.

Preferably, the upper part of the driving gear is meshed and connected with the adjusting sliding rod through a tooth block, the lower part of the driving gear is meshed and connected with the driven gear, the outer diameter of the driving gear is the same as that of the driven gear, and when the adjusting sliding rod slides and moves transversely, the driving gear and the driven gear can be controlled to rotate correspondingly under the action of a tooth block meshing transmission structure.

Preferably, the upper end and the driven gear fixed connection of telescopic link, just the lower extreme and the guard post rotate to be connected down of telescopic link, and driven gear drives the fixed telescopic link synchronous revolution in side when rotating.

Preferably, the protection post corresponds the setting from top to bottom with last protection post down, just protection post and last protection post are all overlapped down and are established the slip and set up in the outside of rolling up the rope, and the telescopic link rotates to promote down the protection post and reciprocates the regulation, its stability that can control the rolling rope and correspond.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent smooth monkey stop device adopts neotype structural design for this device can be convenient carry on spacing anti-skidding when stopping to the protection dolly, keep the stability that the dolly used, be provided with the spacing protective structure of rolling rope in the device simultaneously, keep the stability that the rolling rope corresponds the position, its concrete content as follows:

1. the anti-slipping crane trolley limiting device is provided with a trolley pause limiting structure, when the protective trolley stops moving, the operating hydraulic rod pushes the adjusting block to move towards the side, the adjusting block drives the adjusting slide rod to transversely slide through the supporting rod, the transverse slide rod controls the protective cover and the limiting wheel to move towards the side, the limiting wheel is in contact with the side position of the guide slide way, the limiting wheel buffers the inertial force of the protective trolley at the pause moment through the friction action, and the stability of the protective trolley at the pause moment is improved;

2. this prevent smooth monkey stop device, be provided with receipts serving rope protection stable structure, when hydraulic stem drive control adjusts the slide bar and removes to the side, adjust the slide bar lower extreme this moment and pass through tooth piece control drive gear and rotate, drive gear can control driven gear and correspond the rotation under the meshing transmission effect, driven gear rotates the telescopic link that can drive the outside and corresponds the removal, the protection post moves down under the telescopic link control, the protection of protection post sets up the outside at receipts serving rope down, can protect the rolling rope under the guard action of last protection post and lower protection post, keep the stability that the receipts serving rope corresponds when the removal pauses of protection dolly.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a schematic view of the front structure of the guide chute of the present invention;

FIG. 3 is a schematic view of the top view of the spacing wheel of the present invention;

FIG. 4 is a schematic front view of the driving gear and the transmission gear of the present invention;

fig. 5 is a schematic view of the front structure of the telescopic rod of the present invention.

In the figure: 1. a protective trolley; 2. a rolling wheel; 3. a guide slide way; 4. a drive motor; 5. a speed reducer; 6. rolling the rotary drum; 7. winding the rope; 8. a lifting hook; 9. a mounting frame; 10. an upper protective column; 11. a side bracket; 12. adjusting the sliding rod; 13. a protective cover; 14. a limiting wheel; 15. a hydraulic rod; 16. an adjusting block; 17. a support bar; 18. a tooth block; 19. mounting a block; 20. a drive gear; 21. a driven gear; 22. a telescopic rod; 23. a lower protective column.

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 a technical solution: a crane is arranged in a protective trolley 1, rolling wheels 2 are symmetrically arranged on two sides of the lower surface of the protective trolley 1, the rolling wheels 2 are embedded into a guide slideway 3 in a sliding manner, and the guide slideway 3 is fixedly arranged on a sliding plane;

an anti-skid crane trolley limiting device comprises:

the driving motor 4 is fixedly installed inside the protective trolley 1, the speed reducer 5 is installed on the side face of the driving motor 4, the winding rotary drum 6 is rotatably connected to the side face of the lower end of the speed reducer 5, meanwhile, a winding rope 7 is wound outside the winding rotary drum 6, and a lifting hook 8 is fixedly installed at the lower end of the winding rope 7;

the mounting rack 9 is fixedly mounted on the lower surface of the protection trolley 1, and the left side and the right side of the inside of the mounting rack 9 are fixedly embedded with the upper protection columns 10;

the side support 11 is fixedly installed on the side face of the upper protection column 10, an adjusting slide rod 12 is connected to the inner portion of the upper end of the side support 11 in a penetrating mode, a protection cover 13 is fixedly installed on the side face of the adjusting slide rod 12, and meanwhile a limiting wheel 14 for controlling the crane trolley to move in a limiting mode is installed on the inner portion of the protection cover 13 in a rotating mode.

In this example, a hydraulic rod 15 is fixedly installed below the upper surface of the mounting frame 9, an adjusting block 16 is fixedly welded at the telescopic end of the hydraulic rod 15, and the outer side of the adjusting block 16 is connected with the side of the adjusting slide rod 12 through a support rod 17; the adjusting slide bar 12 and the side bracket 11 form a transverse sliding structure, the adjusting slide bar 12 and the adjusting block 16 are fixed into an integrated driving structure through a support bar 17, and a tooth block 18 is fixedly arranged on the lower surface of the adjusting slide bar 12;

the rolling wheel 2 is controlled to slide and move correspondingly at the upper end of the guide slide way 3 through the driving device, the protection trolley 1 is controlled to move directionally, when the protection trolley 1 stops moving, due to the fact that the whole device is large, forward inertia force is generated by the device, stability of the protection trolley 1 when the protection trolley 1 stops is affected, the hydraulic rod 15 is controlled to run at the moment when the protection trolley 1 stops, the hydraulic rod 15 pushes the adjusting block 16 to move transversely, the adjusting block 16 controls the adjusting slide rod 12 to slide and move transversely through the supporting rod 17, the adjusting slide rod 12 pushes the lateral protective cover 13 and the limiting wheel 14 to move laterally, the limiting wheel 14 is arranged at the lateral side of the guide slide way 3 in a contact mode, the limiting wheel 14 and the side of the guide slide way 3 are in contact friction, the protection trolley 1 can be controlled to stop stably through friction force, and stability of movement control of the protection trolley 1 is kept.

The lower end of the side bracket 11 is also provided with a mounting block 19 and a telescopic rod 22: a mounting block 19 fixedly mounted on the lower surface of the side bracket 11, and a driving gear 20 and a driven gear 21 rotatably mounted inside the mounting block 19; the telescopic rod 22 is connected to the outer side of the driven gear 21, the other end of the telescopic rod 22 is connected with the lower protection column 23, and the lower protection column 23 is sleeved outside the winding rope 7; the upper part of the driving gear 20 is in meshed connection with the adjusting slide rod 12 through the gear block 18, the lower part of the driving gear 20 is in meshed connection with the driven gear 21, and the outer diameter of the driving gear 20 is the same as that of the driven gear 21; the upper end of the telescopic rod 22 is fixedly connected with the driven gear 21, and the lower end of the telescopic rod 22 is rotatably connected with the lower protection column 23; the lower protective column 23 and the upper protective column 10 are arranged correspondingly up and down, and the lower protective column 23 and the upper protective column 10 are sleeved outside the winding rope 7 in a sliding manner;

when the control trolley stops, the adjusting slide rod 12 penetrates through the upper end of the side bracket 11 to slide and move, at the moment, the lower end of the adjusting slide rod 12 is meshed and connected with a driving gear 20 through a tooth block 18, the driving gear 20 is controlled to rotate correspondingly under the action of the meshing transmission structure, the lower end of the driving gear 20 is meshed and connected with the driven gear 21, the driven gear 21 can be driven to correspondingly rotate under the action of the meshing transmission structure, the driven gear 21 rotates to drive the external telescopic rod 22 to correspondingly rotate, the telescopic rod 22 is adjusted in a telescopic way, the lower end of the lower protective column 23 pushes the lower protective column 23 to move downwards (the lower protective column 23 slides and moves longitudinally with the upper protective column 10 through the column body structure at the front side), the lower protective column 23 is sleeved on the outer part of the winding rope 7 to move downwards, the downward movement of the protective trolley enlarges the up-down protection range of the lower protective column 23 and the upper protective column 10, and improves the stability of the coiling rope 7 when the protective trolley 1 stops.

The working principle is as follows: when the device is used, according to the structure shown in figures 1-5, when the protection trolley 1 is controlled to stop, the operation hydraulic rod 15 pushes the adjusting block 16 to move towards the side, the adjusting block 16 drives the adjusting slide rod 12 to penetrate through the inside of the side bracket 11 to slide and move, the limiting wheel 14 is controlled to be in contact with the side position of the guide slideway 3 in the moving process, the stability of the protection trolley 1 when the protection trolley 1 stops can be kept under the friction action, the slipping phenomenon when the protection trolley 1 stops is avoided, meanwhile, the lower end of the adjusting slide rod 12 drives the driving gear 20 to rotate under the meshing action of the tooth block 18 and the driving gear 20, the lower end of the driving gear 20 controls the driven gear 21 to rotate correspondingly through meshing transmission, the driven gear 21 drives the telescopic rod 22 fixed on the outer side to rotate synchronously, the telescopic rod 22 pushes the lower protection column 23 to move downwards, and the protection range between the lower protection column 23 and the upper protection column 10 is enlarged, the stability of the reeling rope 7 is maintained when the protection trolley 1 is at a standstill.

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. A crane is arranged inside a protective trolley (1), rolling wheels (2) are symmetrically arranged on two sides of the lower surface of the protective trolley (1), the rolling wheels (2) are embedded into a guide slide way (3) in a sliding mode, and the guide slide way (3) is fixedly arranged on a sliding plane;

it is characterized by comprising:

the protection trolley comprises a driving motor (4), a speed reducer (5) is installed on the side surface of the driving motor (4), a winding rotary drum (6) is rotatably connected to the side surface of the lower end of the speed reducer (5), a winding rope (7) is wound outside the winding rotary drum (6), and a lifting hook (8) is fixedly installed at the lower end of the winding rope (7);

the mounting rack (9) is fixedly mounted on the lower surface of the protective trolley (1), and the left side and the right side of the interior of the mounting rack (9) are fixedly embedded with upper protective columns (10);

the side support (11), its fixed mounting be in go up the side of protection post (10), just the inside through connection in upper end of side support (11) has adjusting slide bar (12), and the side fixed mounting of adjusting slide bar (12) has protection casing (13), simultaneously the inside rotation of protection casing (13) is installed spacing wheel (14) of the spacing removal of control monkey.

2. The anti-skid crane trolley limiting device as defined in claim 1, wherein: the upper surface below fixed mounting of mounting bracket (9) has hydraulic stem (15), just the flexible end welded fastening of hydraulic stem (15) has regulating block (16), and regulating block (16) outside is through bracing piece (17) and regulation slide bar (12) avris interconnect.

3. The anti-skid crane trolley limiting device as defined in claim 2, wherein: the adjusting slide bar (12) and the side bracket (11) form a transverse sliding structure, the adjusting slide bar (12) is fixed to be an integrated driving structure through a support bar (17) and an adjusting block (16), and a tooth block (18) is fixedly mounted on the lower surface of the adjusting slide bar (12).

4. An anti-skid crane trolley limiting device as defined in claim 3, wherein: the lower end of the side bracket (11) is also provided with an installation block (19) and a telescopic rod (22):

the mounting block (19) is fixedly mounted on the lower surface of the side bracket (11), and a driving gear (20) and a driven gear (21) are rotatably mounted in the mounting block (19);

the telescopic rod (22) is connected to the outer side of the driven gear (21), the other end of the telescopic rod (22) is connected with the lower protection column (23) in an interconnecting mode, and the lower protection column (23) is sleeved on the outer portion of the winding rope (7).

5. The anti-skid crane trolley limiting device as defined in claim 4, wherein: the upper part of the driving gear (20) is in meshed connection with the adjusting slide rod (12) through a tooth block (18), the lower part of the driving gear (20) is in meshed connection with a driven gear (21), and the outer diameter of the driving gear (20) is the same as that of the driven gear (21).

6. The anti-skid crane trolley limiting device as defined in claim 4, wherein: the upper end and the driven gear (21) fixed connection of telescopic link (22), just the lower extreme and the lower guard post (23) of telescopic link (22) rotate to be connected.

7. The anti-skid crane trolley limiting device as defined in claim 6, wherein: the lower protective column (23) and the upper protective column (10) are correspondingly arranged up and down, and the lower protective column (23) and the upper protective column (10) are sleeved with the sliding device and arranged outside the coiling rope (7).