CN220664718U

CN220664718U - Limiting protective type construction engineering crane

Info

Publication number: CN220664718U
Application number: CN202321311583.0U
Authority: CN
Inventors: 徐希旺; 徐进东; 沈金支
Original assignee: Liaoning Jinye Decoration And Decoration Co ltd
Current assignee: Liaoning Jinye Decoration And Decoration Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2024-03-26
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a limiting protection type construction engineering crane, which relates to the technical field of cranes for construction engineering and comprises a base, wherein the upper surface of the base is fixedly connected with a telescopic arm body, the upper end of the telescopic arm body is fixedly connected with a cross arm, the interior of the cross arm is provided with a cross-shaped sliding rail, the sliding rail is connected with a sports car in a sliding way, the right side surface of the sports car is fixedly connected with a T-shaped moving block.

Description

Limiting protective type construction engineering crane

Technical Field

The utility model relates to the technical field of cranes for constructional engineering, in particular to a limiting protective type constructional engineering crane.

Background

The crane is a kind of automobile crane, also called automobile crane, and is a kind of crane installed on the chassis of ordinary automobile or special automobile, its driving cab and lifting control room are separately set, and its advantages are good mobility and quick transfer. The crane for construction engineering is generally a cable crane, the crane for heavy objects is realized by using the cable crane, for example, the crane for limiting and protecting construction engineering is named as CN217437591U, the height of a cross arm can be adjusted by arranging a telescopic arm body, a winding wheel can be rotated by starting a forward and backward rotating motor, the purpose of enabling a cable to drive a hook to lift is achieved, the cable can stably slide by arranging a first rotating wheel and a second rotating wheel, the purpose of adjusting the left position and the right position of the hook can be achieved by arranging a sports car and a moving block to be fixedly connected, and the problem of poor lifting flexibility is solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a limiting protection type building engineering crane, which solves the technical problems that when the existing crane is used, a telescopic arm body does not have a limiting function between a sleeve and an inserted link in the lifting process, so that the telescopic arm body cannot lock and lock a cross arm in the lifting process, the risk of descending displacement of the cross arm is caused easily, and safety accidents are caused easily when the crane works.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a spacing protection type building engineering loop wheel machine, which comprises a base, the last fixed surface of base is connected with flexible arm body, the upper end fixedly connected with xarm of flexible arm body, the inside of xarm has been seted up and is the slide rail of cross form, the inside sliding connection of slide rail has the sports car, the right flank fixedly connected with of sports car is the movable block of T shape, the through-hole has been seted up to the upper surface of movable block, the top fixed mounting of sports car has two symmetrical backup pads, rotate between two backup pads and be connected with first rotor, the last fixed surface of base is connected with two symmetrical supporting blocks, fixedly connected with winding wheel between two supporting blocks, the surface fixed connection cable rope of winding wheel, the cable rope twines in the surface department of winding wheel, and the surface contact of cable rope and first rotor, the other end of cable rope is located the inside of through-hole, the bottom fixedly connected with couple of cable rope right part, the left surface fixedly connected with two symmetrical baffles of xarm, rotate between two baffles and be connected with the second rotor, and the cable rope and the surface contact of second rotor, its characterized in that just be located on the base and between two backup pads and the arm body and the bottom suspension post, the wire harness is equipped with the wire harness assembly under the end-post, the end-post is equipped with the wire harness assembly.

Preferably, the locking limiting assembly comprises a pair of sliding grooves, the sliding grooves are respectively formed in the front wall surface and the rear wall surface of the supporting column, air cylinders are respectively fixedly installed on the front wall surface and the rear wall surface of the outer side of the bottom column, telescopic ends of the air cylinders respectively penetrate through the front wall surface and the rear wall surface of the bottom column, guide blocks are installed on the telescopic ends of the air cylinders, the guide blocks are slidably installed in the sliding grooves and are of hollow structures, telescopic ends of the air cylinders penetrate through the guide blocks, through holes are respectively formed in two side wall surfaces of the guide blocks, a supporting rod is inserted into the through holes, one end of each supporting rod is exposed out of the guide blocks and is fixedly provided with a top plate, the other end of each supporting rod is located in the guide block and is fixedly provided with a driven block, a right trapezoid structure is fixedly installed between the driven block and the guide block, springs are sleeved on the supporting rod, a driving block is fixedly installed on the penetrating ends of the air cylinders, the section of the driving block is of an isosceles trapezoid structure, and the inclined edges of the driving block are in contact with the driven block edges.

Preferably, the wire harness clamping assembly comprises a clamping box, a first mounting hole is formed in the upper wall surface and the lower wall surface of the clamping box respectively, a driven gear is mounted in the inner rotation of the clamping box, a chuck is fixedly mounted on the lower wall surface of the driven gear, round clamping teeth are arranged on the lower wall surface of the chuck, three openings are formed in the lower wall surface of the clamping box, an I-shaped block is mounted in the opening in a sliding mode, a clamping block is fixedly mounted on the upper wall surface of the I-shaped block, a clamping block groove is formed in the upper wall surface of the clamping block, the clamping block groove is meshed with the round clamping teeth, a clamping rod is fixedly mounted on the lower wall surface of the I-shaped block, a motor is fixedly mounted on the side wall surface of the clamping box, a driving gear is fixedly mounted on the side wall surface of the clamping box in a penetrating mode, the driving gear is in meshed connection with the driven gear, a second mounting hole is formed in the driven gear and the chuck respectively, and the cable penetrates through the first mounting hole and the second mounting hole.

Preferably, the driving gear and the driven gear are both in a conical gear structure.

Preferably, the closing component comprises a cover plate, the cover plate is hinged to the hook, the hinged end of the cover plate and the hook is located below the connecting end of the hook and the rope, a stud is fixedly installed at the free end of the hook, a socket is formed in the cover plate, the stud penetrates through the socket, and a limit nut is screwed on the stud.

Advantageous effects

The utility model provides a limiting protective type construction engineering crane, which solves the problem of the prior artWhen the existing crane is used, the telescopic arm body does not have a limiting function in the lifting process, the sleeve and the inserted link are not provided with limiting functions, the telescopic arm body is further prevented from locking and locking the cross arm in the lifting process, the risk that the cross arm is easy to fall and displace is caused, and the crane is easy to have a safety accident in working _。

Drawings

Fig. 1 is a schematic diagram of a front view structure of a limiting protection type construction engineering crane according to the present utility model.

Fig. 2 is a schematic cross-sectional view of a cross arm of the spacing protection type construction hoist according to the present utility model.

Fig. 3 is a schematic top view of a bottom pillar of the spacing protection type construction engineering crane according to the present utility model.

Fig. 4 is a schematic cross-sectional structure diagram of a guide block of a limiting protection type construction engineering crane according to the present utility model.

Fig. 5 is a schematic view of a wire harness clamping assembly of a spacing protection type construction engineering crane according to the present utility model.

Fig. 6 is a schematic structural view of a closing assembly of the limit protection type construction engineering crane according to the present utility model.

In the figure: 1. a base; 2. a telescopic arm body; 3. a cross arm; 4. a sports car; 5. a slide rail; 6. a moving block; 7. a through hole; 8. a support plate; 9. a first rotating wheel; 10. a support block; 11. a limit nut; 12. a winding wheel; 13. a cable; 14. a hook; 15. a baffle; 16. a second rotating wheel; 17. a bottom post; 18. a support column; 19. a chute; 20. a cylinder; 21. a guide block; 22. a support rod; 23. a top plate; 24. a driven block; 25. a spring; 26. an active block; 27. a clamping box; 28. a driven gear; 29. a chuck; 30. an opening; 31. an I-shaped block; 32. a clamping block; 33. a clamping rod; 34. a motor; 35. a drive gear; 36. a cover plate; 37. a stud; 38. a socket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a spacing protection type building engineering loop wheel machine, which comprises a base 1, the upper surface fixedly connected with telescopic arm body 2 of base 1, the upper end fixedly connected with xarm 3 of telescopic arm body 2, the inside of xarm 3 has been seted up and is the slide rail 5 of cross, slide rail 5's inside sliding connection has sports car 4, the right flank fixedly connected with of sports car 4 is the movable block 6 of T shape, through-hole 7 has been seted up to the upper surface of movable block 6, the top of sports car 4 fixedly mounted has two symmetrical backup pads 8, rotate between two backup pads 8 and be connected with first rotor 9, the upper surface fixedly connected with two symmetrical supporting shoe 10 of base 1, fixedly connected with rolling wheel 12 between two supporting shoe 10, the surface fixedly connected with cable 13 of rolling wheel 12, cable 13 twines in the surface department of rolling wheel 12, and cable 13 contacts with the surface of first rotor 9, the other end of cable 13 is located the inside of through-hole 7, the bottom fixedly connected with couple 14 of cable 13 right portion, the left surface fixedly connected with two symmetrical baffle 15 of xarm of 3, rotate between two baffle plates 15, the second rotor 16 is connected with second rotor 16, and 16 contact with second rotor 16 between two baffle plates;

firstly, a hook 14 is connected with a heavy object, then a telescopic arm body 2 is started to drive a cross arm 3 to ascend, so that the purpose of adjusting the height of the cross arm 3 is achieved, a forward and reverse rotation motor 34 is fixedly arranged on the side wall surface of a supporting block 10, the driving end of the forward and reverse rotation motor 34 penetrates through the supporting block 10 and is fixedly connected with a winding wheel 12, then the forward and reverse rotation motor 34 is started, the forward and reverse rotation motor 34 drives the winding wheel 12 to rotate, a cable 13 is wound at the winding wheel 12 at the moment, the other end of the cable 13 drives the hook 14 to ascend, the purpose of lifting is achieved, finally, a sports car 4 is started, the sports car 4 can drive a moving block 6 to move left and right, and the purpose of adjusting the left and right positions of the hook 14 is achieved;

a bottom post 17 is fixedly arranged on the base 1 and between the telescopic arm body 2 and the supporting block 10, the bottom post 17 is of a hollow structure, a supporting column 18 is inserted into the bottom post 17, the supporting column 18 is fixedly connected with the lower wall surface of the cross arm 3, a locking limiting assembly is arranged between the bottom post 17 and the supporting column 18, a wire harness clamping assembly is arranged on the lower wall surface of the moving block 6, the cable 13 penetrates through the wire harness clamping assembly, and a closing assembly is arranged on the hook 14;

in the vertical lifting process of the cross arm 3, the support column 18 moves up and down along the path of the bottom column 17, the cross arm 3 is supported in an auxiliary mode, after the cross arm 3 moves to a working height, the support column 18 is limited in the bottom column 17 through the locking limiting component, relative displacement of the support column 18 is prevented, the effect of limiting and supporting the cross arm 3 is further achieved, the cable 13 is fixed and limited through the wire harness clamping component in the paying-off process of the cable 13, the cable 13 is prevented from being broken, the hook 14 is closed and limited after a hoisted object is hung through the closing component, and the hoisted object on the hook 14 and the hook 14 are prevented from being tripped.

Further, the locking limiting assembly comprises a pair of sliding grooves 19, the pair of sliding grooves 19 are respectively arranged on the front wall surface and the rear wall surface of the supporting column 18, air cylinders 20 are respectively fixedly arranged on the front wall surface and the rear wall surface of the outer side of the bottom column 17, telescopic ends of the air cylinders 20 respectively penetrate through the front wall surface and the rear wall surface of the bottom column 17, guide blocks 21 are arranged on telescopic ends of the air cylinders 20, the guide blocks 21 are slidably arranged in the sliding grooves 19 and are in hollow structures, telescopic ends of the air cylinders 20 penetrate through the guide blocks 21, through holes are respectively formed in two side wall surfaces of the guide blocks 21, a supporting rod 22 is inserted into the through holes, one end of each supporting rod 22 is exposed out of the guide blocks 21 and is fixedly provided with a top plate 23, the other end of each supporting rod 22 is positioned in the guide block 21 and is fixedly provided with a driven block 24, a right trapezoid structure is arranged between each driven block 24 and the corresponding guide block 21, the springs 25 are sleeved on the corresponding support rods 22, driving blocks 26 are fixedly arranged on the penetrating ends of the air cylinders 20, the cross sections of the driving blocks 26 are in isosceles trapezoid structure, and the inclined sides of the driving blocks 26 are in contact sides of the driven blocks 24;

the support rod moves up and down in the bottom column 17, in the process, the guide block 21 slides in the chute 19, after the cross arm 3 moves to the working height, the cylinder 20 is started, the telescopic end of the cylinder 20 pushes the guide block 21 to enable the guide block 21 to contact the inner side wall surface of the chute 19, the telescopic end of the cylinder 20 continues to push the driving block 26, and then the driving block 26 pushes the driven block 24, the driven block 24 pushes the support rod 22, the support rod 22 pushes the top plate 23, the top plate 23 contacts the front wall surface and the rear wall surface of the chute 19, the friction force is increased by applying the action of the pressure, and then the support column 18 is limited.

Further, the wire harness clamping assembly comprises a clamping box 27, the clamping box 27 is fixedly installed on the lower wall surface of the moving block 6, first installation holes are respectively formed in the upper wall surface and the lower wall surface of the clamping box 27, a driven gear 28 is rotatably installed on the lower wall surface of the clamping box 27, a chuck 29 is fixedly installed on the lower wall surface of the driven gear 28, circular clamping teeth are arranged on the lower wall surface of the chuck 29, three openings 30 are formed in the lower wall surface of the clamping box, an I-shaped block 31 is slidably installed in the openings 30, a clamping block 32 is fixedly installed on the upper wall surface of the I-shaped block 31, clamping block 32 grooves are formed in the upper wall surface of the clamping block 32, the clamping block 32 grooves are meshed with the circular clamping teeth, a clamping rod 33 is fixedly installed on the lower wall surface of the I-shaped block 31, a motor 34 is fixedly installed on the side wall surface of the clamping box 27, a driving gear 35 is meshed with the driven gear 28, second cable installation holes are respectively formed in the driven gear 28 and the chuck 29, and the driving gear 35 penetrates through the first installation holes and the second installation holes;

starting the motor 34, the driving end of the motor 34 drives the driving gear 35 to rotate, the driving gear 35 is meshed with the driven gear 28, and then the driven gear 28 drives the chuck 29 to rotate, and when the chuck 29 rotates, the circular clamping teeth on the chuck 29 are meshed with the clamping block 32 grooves on the clamping block 32, the clamping block 32 is driven to move towards the circle center of the chuck 29, and then the clamping block 32 drives the I-shaped block 31 to move along the path of the opening 30, and the I-shaped block 31 drives the clamping rod 33 to move, so that the clamping rod 33 clamps and fixes the cable 13.

Further, the driving gear 35 and the driven gear 28 are both in a bevel gear structure.

Further, the closing assembly comprises a cover plate 36, the cover plate 36 is hinged to the hook 14, the hinged end of the cover plate 36 and the hook 14 is located below the connecting end of the hook 14 and the rope, a stud 37 is fixedly installed on the free end of the hook 14, a socket 38 is formed in the cover plate 36, the stud 37 penetrates through the socket 38, and a limit nut 11 is screwed on the stud 37;

when the hook 14 is hung on a hoisted object, the cover plate 36 is covered on the free end of the hook, so that the stud 37 penetrates through the socket 38, and the limit nut 11 is screwed on the stud 37, so that the limit nut 11 limits the cover plate 36, and the cover plate 36 is prevented from being opened.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: as can be seen from the drawings of the specification, when in use, the hook 14 is connected with a heavy object, when the hook 14 is hung on a lifted object, the cover plate 36 is covered on the free end of the hook, so that the stud 37 penetrates through the socket 38, the limit nut 11 is screwed on the stud 37, the limit nut 11 limits the cover plate 36, the cover plate 36 is prevented from being opened, then the telescopic arm body 2 is started to drive the cross arm 3 to ascend, the support column 18 moves up and down along the path of the bottom post 17 in the process of lifting the cross arm 3, the cross arm 3 is supported in an auxiliary way, and after the cross arm 3 moves to the working height, the support column 18 is limited in the bottom post 17 by the locking limit assembly, the support column 18 is prevented from relative displacement, the effect of limiting and supporting the cross arm 3 is further achieved, the cable 13 is fixedly limited by the wire harness clamping assembly in the process of paying off the cable 13, the cable 13 is prevented from being out of line, the closing component is used for closing and limiting the hook 14 after hanging the hoisted object, the hoisted object on the hook 14 and the hook 14 are prevented from being tripped, the purpose of adjusting the height of the cross arm 3 is achieved, the forward and reverse motor 34 is fixedly arranged on the side wall surface of the supporting block 10, the driving end of the forward and reverse motor 34 penetrates through the supporting block 10 and is fixedly connected with the winding wheel 12, then the forward and reverse motor 34 is started, the winding wheel 12 is driven to rotate by the forward and reverse motor 34, at the moment, the cable 13 is wound at the winding wheel 12, the hook 14 is driven to ascend by the other end of the cable 13, the motor 34 is started, the driving end of the motor 34 drives the driving gear 35 to rotate, the driving gear 35 is meshed and connected with the driven gear 28, the driven gear 28 drives the chuck 29 to rotate, and circular clamping teeth on the chuck 29 are meshed and connected with clamping blocks 32 grooves on the clamping blocks 32, when the chuck 29 rotates, the clamping block 32 is driven to move towards the center of the chuck 29, the clamping block 32 is further driven to move along the path of the opening 30, the I-shaped block 31 is driven to move along the clamping rod 33, the clamping rod 33 is further used for clamping and fixing the cable 13, the purpose of lifting is achieved, the sports car 4 is started finally, the sports car 4 can drive the moving block 6 to move left and right, and the purpose of adjusting the left and right positions of the hooks 14 is achieved.

It is noted that relational terms such as first and second, and the like are 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.

Claims

1. The utility model provides a spacing protection type building engineering loop wheel machine, which comprises a base (1), the upper surface fixedly connected with telescopic boom body (2) of base (1), the upper end fixedly connected with xarm (3) of telescopic boom body (2), be cross slide rail (5) have been seted up to the inside of xarm (3), the inside sliding connection of slide rail (5) has sports car (4), the right flank fixedly connected with of sports car (4) is movable block (6) of T shape, through-hole (7) have been seted up to the upper surface of movable block (6), the top fixed mounting of sports car (4) has two symmetrical backup pads (8), rotate between two backup pads (8) and be connected with first rotating wheel (9), the upper surface fixedly connected with two symmetrical supporting blocks (10) of base (1), fixedly connected with rolling wheel (12) between two supporting blocks (10), the surface fixed connection cable (13) of rolling wheel (12), cable (13) twine in the surface department of rolling wheel (12), and cable (13) and the surface contact of first rotating wheel (9), the top of cable (7) has through-hole (14) of the inside of two symmetrical supporting wheels (7), the inside of two side of being located in the cable (13) is connected with the couple of two side fixed baffle (14), the novel cable clamp is characterized in that a bottom column (17) is fixedly arranged on the base (1) and between the telescopic arm body (2) and the supporting block (10), the bottom column (17) is of a hollow structure, a supporting column (18) is inserted into the bottom column (17), the supporting column (18) is fixedly connected with the lower wall surface of the cross arm (3), a locking limiting component is arranged between the bottom column (17) and the supporting column (18), a wire harness clamping component is arranged on the lower wall surface of the moving block (6), and the cable (13) penetrates through the wire harness clamping component, and a closing component is arranged on the hook (14).

2. The limiting and protecting type construction engineering crane according to claim 1, wherein the limiting and limiting assembly comprises a pair of sliding grooves (19), the pair of sliding grooves (19) are respectively arranged on front and rear wall surfaces of the supporting column (18), air cylinders (20) are respectively fixedly arranged on the front and rear wall surfaces of the outer side of the bottom column (17), telescopic ends of the air cylinders (20) respectively penetrate through the front and rear wall surfaces of the bottom column (17), guide blocks (21) are arranged on telescopic ends of the air cylinders (20), the guide blocks (21) are slidably arranged in the sliding grooves (19) and are of hollow structures, telescopic ends of the air cylinders (20) penetrate through the guide blocks (21), through holes are respectively formed in two side wall surfaces of the guide blocks (21), supporting rods (22) are inserted into the through holes, one ends of the supporting rods (22) are exposed out of the guide blocks (21) and are fixedly provided with top plates (23), the other ends of the supporting rods (22) are positioned in the guide blocks (21) and fixedly provided with driven blocks (24), the driven blocks (24) are arranged on the front and rear wall surfaces of the bottom column (17), the driven blocks (24) are of the right-angle trapezoidal structures, the driving blocks (26) are fixedly arranged between the driving blocks (25) and the driving blocks (25), the driving blocks (25) are fixedly arranged on the right-angle trapezoidal structures, and fixedly arranged on the driving blocks (25), the inclined edge of the driving block (26) is contacted with the edge of the driven block (24).

3. The limiting and protecting type construction engineering crane according to claim 1, wherein the wire harness clamping assembly comprises a clamping box (27), a first mounting hole is formed in the upper wall surface and the lower wall surface of the clamping box (27) respectively, a driven gear (28) is rotatably mounted in the clamping box (27), a chuck (29) is fixedly mounted on the lower wall surface of the driven gear (28), circular clamping teeth are formed in the lower wall surface of the chuck (29), three openings (30) are formed in the lower wall surface of the clamping box, a fixture block (31) is mounted in the inner sliding mode in the openings (30), a fixture block (32) is fixedly mounted on the upper wall surface of the fixture block (31), a fixture block groove is formed in the upper wall surface of the fixture block (32) and is meshed with the circular clamping teeth, a clamping rod (33) is fixedly mounted on the lower wall surface of the fixture block (31), a motor (34) is fixedly mounted on the side wall surface of the clamping box (27), three openings (30) are formed in the lower wall surface of the clamping box, and the driving gear (34) is fixedly mounted on the second driving gear (35) and the second chuck (35) respectively.

4. A spacing protection type construction hoist according to claim 3, characterized in that the driving gear (35) and the driven gear (28) are both of conical gear structure.

5. The limit protection type construction engineering crane according to claim 1, wherein the closing assembly comprises a cover plate (36), the cover plate (36) is hinged to the hook (14), the hinged end of the cover plate (36) and the hook (14) is located below the connecting end of the hook (14) and the rope, a stud (37) is fixedly installed on the free end of the hook (14), a socket (38) is formed in the cover plate (36), the stud (37) penetrates through the socket (38), and a limit nut (11) is screwed on the stud (37).