CN215364580U

CN215364580U - Electric hoist crane with limiting mechanism

Info

Publication number: CN215364580U
Application number: CN202120946934.XU
Authority: CN
Inventors: 赵广军; 张方; 尚娟; 张金强
Original assignee: Henan Double Force Bridge Machinery Group Co ltd
Current assignee: Henan Shuangli Lifting Machinery Group Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-31
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses an electric hoist crane with a limiting mechanism, which relates to the technical field of cranes and comprises a support, a support arm and a support beam, wherein the support arm is used for enhancing the strength of the support, the support beam is supported by the top end of the support, the lower surface of the support beam is fixedly connected with a slide way, the inner side of the slide way is provided with limiting teeth, a roller is movably connected in the slide way, one end of the roller is provided with a limiting gear, the other end of the roller is fixedly connected with a first gear, the inner part of the roller is movably connected with a limiting column, and one side of the first gear is movably connected with a synchronous belt. According to the utility model, the telescopic rod in the cylinder can be used for stretching back and forth to drive the limiting ring to rotate, the top end of the limiting ring is connected with the fixed arm, the top end of the limiting ring can be limited by the fixed arm, and the limiting ring can be driven by the telescopic rod to rotate around the top end to rub with the rotary column, so that the purpose of braking and limiting is achieved.

Description

Electric hoist crane with limiting mechanism

Technical Field

The utility model relates to the technical field of cranes, in particular to an electric hoist crane with a limiting mechanism.

Background

An electric hoist crane belongs to one of hoisting machinery, and is a machine which does circulating and intermittent motion. One duty cycle includes: the fetching device lifts the object from the fetching place, then moves horizontally to the appointed place to lower the object, and then carries out reverse movement to return the fetching device to the original position for carrying out the next circulation. The electric hoist cranes are classified into single-beam cranes, single-beam suspension cranes, double-beam cranes, wall-mounted cranes, swing-arm cranes, gantry cranes, and hand-propelled gantry cranes.

In chinese utility model patent application no: the utility model discloses a clean electric block bridge crane, including the carrier bar, the end beam, the girder, the cart, dolly and hoisting mechanism, the welding of carrier bar upper end has cart walking track, the cart walks on the carrier bar through cart walking track, the welding of girder upper end has dolly walking track, the dolly walks on the girder through dolly walking track, the cart buffer is all installed to the front end and the rear end of cart, the dolly buffer is all installed to the left end and the right-hand member of dolly, the inboard fixed mounting of end beam has air purifier. The clean electric hoist bridge crane has the defects that the movement is easy to slip when the load is too large in the using process, and the clean electric hoist bridge crane is not provided with a limiting mechanism when in use, so that the position deviation is easy to occur, and the problem of collision of objects is caused.

Therefore, it is necessary to provide an electric hoist crane with a position limiting mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to: the utility model provides an electric hoist crane with a limiting mechanism, aiming at solving the problems that the clean electric hoist bridge crane is easy to slip when the load is too large, and the clean electric hoist bridge crane is not provided with the limiting mechanism when in use and is easy to deviate in position, so that objects collide with each other.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

an electric hoist crane with a limiting mechanism comprises a bracket, a support arm for enhancing the strength of the bracket and a support beam supported by the top end of the bracket, the lower surface of the supporting beam is fixedly connected with a slideway, the inner side of the slideway is provided with a limit tooth, a roller is movably connected in the slideway, one end of the roller is provided with a limit gear, the other end of the roller is fixedly connected with a first gear, the inside of the roller is movably connected with a limit column, one side of the first gear is movably connected with a synchronous belt, one end of the limit column is fixedly connected with a movable box, one side of the lower end of the movable box is movably connected with a rotating column, one end of the rotary column is fixedly connected with a second gear, one side of the rotary column is fixedly connected with a first supporting plate, the inside swing joint of first backup pad has the screw rod, the other end swing joint of screw rod has the removal motor.

Furthermore, the limiting gear is matched with the limiting teeth, the tooth grooves are formed in the middle of the rotary column and matched with the screw rod, and the bottom end of the synchronous belt is matched with the second gear.

Furthermore, the upper surface of the bottom end of the movable box is fixedly connected with a fixed arm, and the fixed arm is arranged in an L shape.

Further, a through hole is formed in the bottom end of the fixing arm, an air cylinder is fixedly connected to the bottom end of the through hole, a telescopic rod is movably connected to the inside of the air cylinder, a limiting ring is movably connected to the other end of the telescopic rod, and the other end of the limiting ring is movably connected with the fixing arm.

Furthermore, the limiting ring is made of wear-resistant high manganese steel metal.

Furthermore, the bottom of the front end of the movable box is movably connected with a fixed pulley, one side of the fixed pulley is movably connected with a rope, the lower surface of the movable box is symmetrically and fixedly connected with supporting blocks, and a rope roller is movably connected between the two supporting blocks.

Further, the inside commentaries on classics pole that runs through and swing joint of a piece of one end, the one end fixedly connected with rope roller of bull stick, the other end fixedly connected with third gear of bull stick, one side swing joint of third gear has the double-deck gear of deceleration, the one end swing joint of the double-deck gear of deceleration has the second backup pad.

Furthermore, one side of the speed reduction double-layer gear is movably connected with a fourth gear, and one end of the fourth gear is movably connected with a hoisting motor.

Further, one side swing joint of rope roller has the rope, one side swing joint of rope has the movable pulley, the inside swing joint of movable pulley has the dead lever, the one end fixedly connected with couple case of dead lever, the bottom fixedly connected with couple of couple case, the other end fixedly connected with of rope props up the piece.

(III) advantageous effects

The utility model has the following beneficial effects:

1. according to the utility model, the support of the support beam can be realized by mutually adapting the two supports, the strength and stability of the supports can be enhanced by the support arms, the slide way can be fixed and limited by the support beams, the slide wheel can be prevented from slipping when moving by mutually adapting the limiting teeth and the limiting gears arranged on the inner side of the slide way, the screw rod is driven to rotate by the moving motor and is mutually adapted with the tooth grooves formed on one side of the rotary column, so that the rotary column can rotate, the second gear at one end of the rotary column is mutually adapted with the synchronous belt, so that the roller wheel can be rotated by mutually adapting the synchronous belt and the first gear, and the movement of the moving box is realized.

2. According to the utility model, the telescopic rod in the cylinder can be used for stretching back and forth to drive the limiting ring to rotate, the top end of the limiting ring is connected with the fixed arm, the top end of the limiting ring can be limited by the fixed arm, and the limiting ring can be driven by the telescopic rod to rotate around the top end to rub with the rotary column, so that the purpose of braking and limiting is achieved.

3. According to the utility model, the fourth gear can be driven to rotate by the hoisting motor, the rotating rod can be driven to rotate after the speed of the power output by the hoisting motor is reduced by the mutual adaptation of the fourth gear, the speed reduction double-layer gear and the third gear, so that the rope roller can rotate, the rope is pulled, the rope is fixedly connected with the supporting block after sequentially winding the movable pulley and the fixed pulley, and an article to be hoisted can be hooked by the hook.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a first partial cross-sectional view of the structure of the present invention;

FIG. 3 is a second partial cross-sectional schematic view of the structure of the present invention;

FIG. 4 is a third schematic partial cross-sectional view of the inventive structure;

FIG. 5 is an enlarged view of the structure of region A in FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 3 in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 3 illustrating the structure of the region C according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 4 illustrating the D region of the present invention;

FIG. 9 is an enlarged view of the structure of region E in FIG. 2 according to the present invention.

Reference numerals: 1. a support; 2. a support arm; 3. supporting a beam; 4. a slideway; 5. limiting teeth; 6. a roller; 7. a limit gear; 8. a first gear; 9. a limiting column; 10. a synchronous belt; 11. a mobile box; 12. a second gear; 13. turning the column; 14. a first support plate; 15. a screw; 16. a moving motor; 17. a fixed arm; 18. a limiting ring; 19. a telescopic rod; 20. a cylinder; 21. a fixed pulley; 22. supporting a block; 23. a rotating rod; 24. a rope roller; 25. a third gear; 26. a speed reduction double-layer gear; 27. a second support plate; 28. a fourth gear; 29. a hoisting motor; 30. a rope; 31. a movable pulley; 32. fixing the rod; 33. a hook box; 34. and (4) hanging hooks.

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.

Example 1

Referring to fig. 1-4 and 6, an electric hoist crane with a limiting mechanism comprises a support frame 1, a support arm 2 for enhancing the strength of the support frame 1, and a support beam 3 supported by the top end of the support frame 1, wherein the lower surface of the support beam 3 is fixedly connected with a slide way 4, the inner side of the slide way 4 is provided with a limiting tooth 5, a roller 6 is movably connected in the slide way 4, one end of the roller 6 is provided with a limiting gear 7, the limiting gear 7 is matched with the limiting tooth 5, the middle part of a rotary column 13 is provided with a tooth socket, the tooth socket is matched with a screw 15, the bottom end of a synchronous belt 10 is matched with a second gear 12, the other end of the roller 6 is fixedly connected with a first gear 8, the inner part of the roller 6 is movably connected with a limiting column 9, one side of the first gear 8 is movably connected with a synchronous belt 10, one end of the limiting column 9 is fixedly connected with a movable box 11, one side of the lower end of the movable box 11 is movably connected with the rotary column 13, one end of the rotary column 13 is fixedly connected with a second gear 12, one side of the rotary column 13 is fixedly connected with a first supporting plate 14, the inside of the first supporting plate 14 is movably connected with a screw rod 15, and the other end of the screw rod 15 is movably connected with a mobile motor 16.

In this embodiment, thereby can realize the support to corbel 3 through two mutual adaptations of support 1, intensity and stability that can strengthen support 1 through support arm 2, can fix spacingly through corbel 3 to slide 4, appear skidding when can preventing gyro wheel 6 from removing through spacing tooth 5 and the mutual adaptation of limit gear 7 that set up in the inboard of slide 4, rotate and with the mutual adaptation of the tooth's socket of establishing on one side of rotary column 13 through mobile motor 16 drive screw 15, thereby can realize the rotation of rotary column 13, second gear 12 and the mutual adaptation of hold-in range 10 through rotary column 13 one end, thereby can make gyro wheel 6 rotate through the mutual adaptation of hold-in range 10 with first gear 8, with this removal that realizes moving box 11.

Example 2

Referring to fig. 5 and 6, the present embodiment is further optimized based on embodiment 1, specifically, a fixing arm 17 is fixedly connected to an upper surface of a bottom end of the moving box 11, and the fixing arm 17 is disposed in an L shape.

Specifically, the bottom end of the fixed arm 17 is provided with a through hole, the inside bottom end of the through hole is fixedly connected with an air cylinder 20, the inside of the air cylinder 20 is movably connected with a telescopic rod 19, the other end of the telescopic rod 19 is movably connected with a limiting ring 18, and the other end of the limiting ring 18 is movably connected with the fixed arm 17.

Specifically, the stop collar 18 is made of a wear-resistant high manganese steel.

In this embodiment, the telescopic link 19 through the inside of cylinder 20 makes a round trip to stretch out and draw back and can drive spacing ring 18 and rotate, top and fixed arm 17 interconnect through spacing ring 18 can carry out spacingly through fixed arm 17 to the top of spacing ring 18, can carry out the looks mutual friction with rotary column 13 when driving spacing ring 18 to rotate around the top through telescopic link 19 to reach the spacing purpose of braking.

Example 3

Referring to fig. 7, 8 and 9, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, a fixed pulley 21 is movably connected to the bottom of the front end of the movable box 11, a rope 30 is movably connected to one side of the fixed pulley 21, support blocks 22 are symmetrically and fixedly connected to the lower surface of the movable box 11, and a rope roller 24 is movably connected between the two support blocks 22.

Specifically, a rotating rod 23 penetrates through and is movably connected with the inside of the supporting block 22 at one end, a rope roller 24 is fixedly connected with one end of the rotating rod 23, a third gear 25 is fixedly connected with the other end of the rotating rod 23, a speed reduction double-layer gear 26 is movably connected with one side of the third gear 25, and a second supporting plate 27 is movably connected with one end of the speed reduction double-layer gear 26.

Specifically, one side of the speed reduction double-layer gear 26 is movably connected with a fourth gear 28, and one end of the fourth gear 28 is movably connected with a hoisting motor 29.

Specifically, one side of the rope roller 24 is movably connected with a rope 30, one side of the rope 30 is movably connected with a movable pulley 31, the inside of the movable pulley 31 is movably connected with a fixed rod 32, one end of the fixed rod 32 is fixedly connected with a hook box 33, the bottom end of the hook box 33 is fixedly connected with a hook 34, and the other end of the rope 30 is fixedly connected with a supporting block 22

In this embodiment, can drive fourth gear 28 through hoisting motor 29 and rotate, thereby through fourth gear 28, thereby the mutual adaptation of deceleration double-deck gear 26 and third gear 25 can drive bull stick 23 rotation after the power deceleration that hoisting motor 29 exported, thereby can make rope roller 24 rotate, thereby pulling rope 30, rope 30 through behind first back winding movable pulley 31 and fixed pulley 21 with a brace 22 fixed connection, can collude the article that need the jack-up through couple 34.

In summary, the following steps: according to the utility model, the support of the support beam 3 can be realized by mutually adapting the two support frames 1, the strength and the stability of the support frames 1 can be enhanced by the support arms 2, the slide way 4 can be fixedly limited by the support beams 3, the sliding of the roller 6 can be prevented by mutually adapting the limiting teeth 5 and the limiting gears 7 arranged on the inner side of the slide way 4, when in use, the screw 15 is driven by the moving motor 16 to rotate and is mutually adapted with the tooth grooves arranged on one side of the rotary column 13, so that the rotary column 13 can rotate, the second gear 12 at one end of the rotary column 13 is mutually adapted with the synchronous belt 10, so that the roller 6 can be rotated by mutually adapting the synchronous belt 10 with the first gear 8, thereby realizing the movement of the movable box 11, the telescopic rod 19 in the cylinder 20 can be stretched back and forth to drive the limiting ring 18 to rotate, and the top end of the limiting ring 18 is mutually connected with the fixed arm 17, can carry on spacingly to the top of spacing ring 18 through fixed arm 17, can carry out the looks mutual friction with rotary column 13 when driving spacing ring 18 to rotate around the top through telescopic link 19, thereby reach the spacing purpose of braking, can drive fourth gear 28 through hoisting motor 29 and rotate, through fourth gear 28, thereby the mutual adaptation of speed reduction double-deck gear 26 and third gear 25 drives bull stick 23 and rotates after can slowing down the power that hoisting motor 29 exported, thereby can make rope roller 24 rotate, thereby pulling rope 30, rope 30 through earlier after twine movable pulley 31 and fixed pulley 21 with a piece 22 fixed connection, can collude the article that needs the jack-up through couple 34, thereby give the function of realizing the hoist.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides an electric block hoist crane with stop gear, includes support (1) and be used for strengthening support arm (2) and the corbel piece (3) that support (1) top held up of support (1) intensity, its characterized in that: the lower surface of the supporting beam (3) is fixedly connected with a slide way (4), the inner side of the slide way (4) is provided with a limiting tooth (5), the slide way (4) is internally and movably connected with a roller (6), one end of the roller (6) is provided with a limiting gear (7), the other end of the roller (6) is fixedly connected with a first gear (8), the inner part of the roller (6) is movably connected with a limiting column (9), one side of the first gear (8) is movably connected with a synchronous belt (10), one end of the limiting column (9) is fixedly connected with a movable box (11), one side of the lower end of the movable box (11) is movably connected with a rotating column (13), one end of the rotating column (13) is fixedly connected with a second gear (12), one side of the rotating column (13) is fixedly connected with a first supporting plate (14), the inner part of the first supporting plate (14) is movably connected with a screw rod (15), the other end of the screw rod (15) is movably connected with a mobile motor (16).

2. The electric hoist crane with the limiting mechanism according to claim 1, wherein: spacing gear (7) and spacing tooth (5) mutual adaptation, the tooth's socket has been seted up at the middle part of rotary column (13), tooth's socket and screw rod (15) mutual adaptation, the bottom and the second gear (12) mutual adaptation of hold-in range (10).

3. The electric hoist crane with the limiting mechanism according to claim 1, wherein: the upper surface of the bottom end of the movable box (11) is fixedly connected with a fixed arm (17), and the fixed arm (17) is arranged in an L shape.

4. The electric hoist crane with the limiting mechanism as claimed in claim 3, wherein: the through-hole has been seted up to the bottom of fixed arm (17), the inside bottom fixedly connected with cylinder (20) of through-hole, the inside swing joint of cylinder (20) has telescopic link (19), the other end swing joint of telescopic link (19) has spacing ring (18), the other end and fixed arm (17) swing joint of spacing ring (18).

5. The electric hoist crane with the limiting mechanism as claimed in claim 4, wherein: the limiting ring (18) is made of wear-resistant high manganese steel metal.

6. The electric hoist crane with the limiting mechanism according to claim 1, wherein: the movable type trolley is characterized in that a fixed pulley (21) is movably connected to the bottom of the front end of the movable box (11), a rope (30) is movably connected to one side of the fixed pulley (21), supporting blocks (22) are fixedly connected to the lower surface of the movable box (11) in a symmetrical mode, and rope rollers (24) are movably connected between the supporting blocks (22).

7. The electric hoist crane with the limiting mechanism according to claim 6, wherein: the utility model discloses a quick-witted speed reduction gear, including a piece (22) of one end, the one end fixedly connected with rope roller (24) of bull stick (23), the other end fixedly connected with third gear (25) of bull stick (23), one side swing joint of third gear (25) has speed reduction double gear (26), the one end swing joint of speed reduction double gear (26) has second backup pad (27).

8. The electric hoist crane with the limiting mechanism according to claim 7, wherein: one side of the speed reduction double-layer gear (26) is movably connected with a fourth gear (28), and one end of the fourth gear (28) is movably connected with a hoisting motor (29).

9. The electric hoist crane with the limiting mechanism according to claim 6, wherein: one side swing joint of rope roller (24) has rope (30), one side swing joint of rope (30) has movable pulley (31), the inside swing joint of movable pulley (31) has dead lever (32), the one end fixedly connected with couple case (33) of dead lever (32), the bottom fixedly connected with couple (34) of couple case (33), the other end fixedly connected with of rope (30) props up piece (22).