CN111717804A

CN111717804A - Simple gantry crane

Info

Publication number: CN111717804A
Application number: CN202010551608.9A
Authority: CN
Inventors: 南四成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-09-29

Abstract

The invention discloses a simple gantry crane, and relates to the technical field of construction equipment. The simple gantry crane comprises a support frame, a connecting block is arranged at the lower end of the support frame, an underframe is arranged at the lower end of the connecting block, a lifting device is arranged at the upper end of the support frame, the support frame comprises a frame body, a first rectangular groove and a second rectangular groove, the first rectangular groove is arranged in the middle of the front surface of the frame body, the second rectangular groove is arranged at the lower end of the front surface of the frame body, two first circular grooves are arranged at the lower ends of the left surface and the right surface of the frame body, a third rectangular groove is arranged at the upper end of the rear surface of the first rectangular groove, the left position and the right position of the support frame are changed by sliding a pulley in the fifth rectangular groove, the front position and the rear position of a lifting hook are changed by a motor, compared with the traditional gantry crane, the lifting range is enlarged, after the lifting device is lifted to the upper end of the, the pull ring can be pulled off through the climbing frame to enable the lifting device to descend, so that the lifting device is convenient to mount and dismount.

Description

Simple gantry crane

Technical Field

The invention relates to the technical field of construction equipment, in particular to a simple gantry crane.

Background

Gantry cranes are a variant of bridge cranes, also called gantry cranes. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. The metal structure of the device is like a door-shaped frame, two support legs are arranged under a bearing main beam and can directly walk on a track on the ground, and overhanging cantilever beams can be arranged at the two ends of the main beam. The gantry crane has the characteristics of high site utilization rate, large operation range, wide application range, strong universality and the like, is widely used in port goods yards, can only hoist and take objects in a single direction by a common gantry crane, and has a lower hoisting and taking range, so that the simple gantry crane is provided, and the hoisting and taking range is enlarged.

Disclosure of Invention

The invention aims to provide a simple gantry crane to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a simple gantry crane comprises a support frame, wherein a connecting block is arranged at the lower end of the support frame, an underframe is arranged at the lower end of the connecting block, a lifting device is arranged at the upper end of the support frame, the support frame comprises a frame body, a first rectangular groove and a second rectangular groove, the first rectangular groove is arranged in the middle of the front surface of the frame body, the second rectangular groove is arranged at the lower end of the front surface of the frame body, two first circular grooves are arranged at the lower ends of the left surface and the right surface of the frame body, a third rectangular groove is arranged at the upper end of the rear surface of the first rectangular groove, a fourth rectangular groove is arranged at the upper end of the rear surface of the third rectangular groove, a clamping block is arranged in the third rectangular groove, a spring and a flat block are arranged on the rear surface of the clamping block, the front surface of the flat block is fixedly connected with the upper end of the, the flat block rear surface is provided with a pull ring, the pull ring front surface is fixedly connected with the flat block rear surface, the flat block is arranged in the rectangular groove IV, and the rear surface of the frame body is provided with a climbing frame.

Preferably, hoisting accessory is including lifting frame, motor and lifting rope, and the motor setting all is provided with the montant at the upper surface mid portion that lifts the front and back of lifting frame mid portion, the relative two sides of two montants respectively with lifting frame front and back mid portion fixed connection, the lifting rope setting is at lifting frame lower surface, lifting rope lower extreme fixedly connected with lifting hook, the lower extreme prong part of lifting hook is provided with a recess, the upper end prong part of lifting hook articulates there is a movable rod.

Preferably, the base frame comprises a base, a fifth rectangular groove and a sixth rectangular groove, the fifth rectangular groove is formed in the middle of the upper surface of the base, and the sixth rectangular groove is formed in the upper ends of the front face and the rear face of the fifth rectangular groove respectively.

Preferably, the middle part on the right surface of support body is provided with the spout, the front and back middle part of spout is provided with the race, the rear end of spout is provided with a plurality of commentaries on classics pieces, the right surface of every commentaries on classics piece all is provided with the activity quarter butt, the left surface rear end of activity quarter butt is articulated with the right surface of commentaries on classics piece, the lower extreme of every commentaries on classics piece is all fixed to be provided with the dog, the race is provided with the runner, the right surface of runner is provided with the spliced pole, the left surface of spliced pole is articulated with the right surface middle part of runner, the right surface of spliced pole is provided with the semicircle ring, the left surface of semicircle ring is connected with the right fixed surface of spliced pole, the.

Preferably, the connecting block includes two three hornblocks, square and two circular slots two, both ends are provided with circular slot three around the upper surface of square, the upper end of the front and back of square all is provided with a horizontal pole, the relative two sides of two horizontal poles respectively with the upper end fixed connection of the front and back of square, two circular slots two set up the lower extreme at the front and back of square respectively, all be provided with a pulley in two circular slots, be provided with a round bar in the middle of two pulleys, two sides respectively with the mid portion fixed connection of the relative two sides of two pulleys around the round bar, two relative face mid portions of circular slot two are provided with the pole groove, the round bar sets up at the pole inslot.

Preferably, a triangular groove is formed in the inclined plane of the triangular block, and two fixing screws are arranged on the left surface of the triangular groove.

Preferably, support frame, chassis and connecting block are two, and the horizontal pole setting is in the rectangle recess six that correspond, and the montant setting is in rectangle recess one, and two relative two sides of triangle piece pass through fixed screw and a circular slot fixed connection with the lower extreme of the left and right sides of a support body that corresponds respectively, and the support body passes through connecting screw fixed connection with the square.

Compared with the prior art, the invention has the beneficial effects that:

(1) this simple and easy portal crane slides in rectangle recess five through the pulley and changes the position about the support frame, changes the front and back position of lifting hook through the motor, has compared traditional portal crane and has increased to hang and get the scope.

(2) According to the simple gantry crane, after the lifting device rises to the upper end of the support frame, the fixture block is extruded into the third rectangular groove, and after the vertical rod rises to the top end, the fixture block returns to the original position under the action of the spring, so that the lifting device is fixed at the height, and the pull ring can be pulled off through the climbing frame to enable the lifting device to descend, and the lifting device is convenient to mount and dismount.

(3) This simple and easy portal crane, but connecting screw convenient to detach support frame and connecting block.

(4) According to the simple gantry crane, the movable rod enables the hook to be hung on an object not to fall off easily, and the safety of the hanging process is improved.

(5) This simple and easy portal crane sets up the staff's clearance of being convenient for and maintenance support frame in the climbing frame of both sides, does benefit to increase life.

(6) This simple and easy portal crane, the firm support frame of triangle piece help has further improved portal crane's stability and security.

(7) This simple and easy portal crane sets up the motor on the top, has shortened the length of the circuit that needs lay, has strengthened the security of motor.

(8) According to the simple gantry crane, the multiple parts are connected together in a splicing mode in a modularized manner, so that the single part can be conveniently replaced, and the lifting cost is saved during maintenance and replacement.

(9) This simple and easy portal crane, on one's body the constructor with the protection rope connection, when upwards climbing the constructor, the runner rolls along with it, and the constructor is when dropping, because the activity quarter butt is blocked by the dog, prevents that the runner continues to slide downwards to protection constructor life safety.

Drawings

FIG. 1 is a schematic view of the overall structure of a simple gantry crane according to the present invention;

FIG. 2 is a schematic structural view of the support frame of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the hoisting device shown in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of the chassis of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the connecting block of FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 2 at B according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

FIG. 9 is an enlarged view of FIG. 4 at D in accordance with the present invention;

fig. 10 is an enlarged view of the structure at E in fig. 2 according to the present invention.

In the figure: 1 supporting frame, 2 hoisting devices, 3 base frames, 4 connecting blocks, 11 frame bodies, 12 rectangular groove four, 13 climbing frames, 14 clamping blocks, 15 springs, 16 rectangular groove three, 17 flat blocks, 18 rectangular groove one, 19 circular groove one, 110 connecting screws, 111 rectangular groove two, 112 pull rings, 113 rotating wheels, 114 connecting columns, 115 connecting rings, 117 protective ropes, 118 movable short rods, 119 stop blocks, 120 sliding grooves, 121 wheel grooves, 122 rotating blocks, 123 semi-circular rings, 21 hoisting frames, 22 motors, 23 vertical rods, 24 hoisting ropes, 25 lifting hooks, 26 grooves, 27 movable rods, 31 bases, 32 rectangular groove five, 33 rectangular groove six, 41 squares, 42 cross rods, 43 circular groove three, 44 fixing screws, 45 triangular blocks, 46 circular groove two, 47 pulleys, 48 wheel rods, 49 rod grooves and 410 triangular grooves.

Detailed Description

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

Referring to fig. 1-10, the present invention provides a technical solution: a simple gantry crane comprises a support frame 1, a connecting block 4 is arranged at the lower end of the support frame 1, the connecting block 4 comprises two triangular blocks 45, a square block 41 and two circular grooves two 46, circular grooves three 43 are arranged at the front end and the rear end of the upper surface of the square block 41, a cross rod 42 is arranged at the upper end of the front surface and the rear surface of the square block 41, two opposite surfaces of the two cross rods 42 are fixedly connected with the upper end of the front surface and the rear surface of the square block 41 respectively, the two circular grooves two 46 are arranged at the lower end of the front surface and the rear surface of the square block 41 respectively, a pulley 47 is arranged in each circular groove two 46, a wheel rod 48 is arranged between the two pulleys 47, the front surface and the rear surface of the wheel rod 48 are fixedly connected with the middle parts of the two opposite surfaces of the two pulleys 47 respectively, a rod groove 49 is arranged in the middle part of the opposite surfaces of the two circular grooves two 46, the wheel rod 48 is arranged in the, the lower end of the connecting block 4 is provided with an underframe 3, the underframe 3 comprises a base 31, a rectangular groove five 32 and two rectangular grooves six 33, the rectangular groove five 32 is arranged at the middle part of the upper surface of the base 31, the two rectangular grooves six 33 are respectively arranged at the upper ends of the front and back surfaces of the rectangular groove five 32, the upper end of the support frame 1 is provided with a hoisting device 2, the hoisting device 2 comprises a hoisting frame 21, a motor 22 and a lifting rope 24, the motor 22 is arranged at the middle part of the upper surface middle part of the hoisting frame 21 and the front and back surfaces of the hoisting frame 21 are respectively provided with a vertical rod 23, the two opposite surfaces of the two vertical rods 23 are respectively fixedly connected with the middle part of the front and back surfaces of the hoisting frame 21, the lifting rope 24 is arranged at the lower surface of the hoisting frame 21, the left and right positions of the support frame 1 are changed by the pulley 47 sliding in the rectangular groove five 32, the, the upper end hook tip part of the lifting hook 25 is hinged with a movable rod 27, the support frame 1 comprises a frame body 11, a first rectangular groove 18 and a second rectangular groove 111, the first rectangular groove 18 is arranged in the middle of the front surface of the frame body 11, the second rectangular groove 111 is arranged at the lower end of the front surface of the frame body 11, two first circular grooves 19 are arranged at the lower ends of the left surface and the right surface of the frame body 11, a third rectangular groove 16 is arranged at the upper end of the rear surface of the first rectangular groove 18, a fourth rectangular groove 12 is arranged at the upper end of the rear surface of the third rectangular groove 16, a clamping block 14 is arranged in the third rectangular groove 16, a spring 15 and a flat block 17 are arranged on the rear surface of the clamping block 14, the front surface of the flat block 17 is fixedly connected with the upper end of the rear surface of the clamping block 14, the front end of the spring 15 is fixedly connected with the middle of the rear surface of the clamping, after the lifting device 2 rises to the upper end of the support frame 1, the fixture block 14 is extruded into the three rectangular grooves 16, after the vertical rod 23 rises to the top end, the fixture block 14 returns to the original position under the action of the spring 15, so that the lifting device 2 is fixed at the height, the middle part of the right surface of the frame body 11 is provided with the chute 120, the middle parts of the front and the back of the chute 120 are provided with the wheel grooves 121, the rear end of the chute 120 is provided with a plurality of rotating blocks 122, the right surface of each rotating block 122 is provided with the movable short rod 118, the rear end of the left surface of the movable short rod 118 is hinged with the right surface of the rotating block 122, the lower end of each rotating block 122 is fixedly provided with the stopper 119, the wheel groove 121 is internally provided with the rotating wheel 113, the right surface of the rotating wheel 113 is provided with the connecting column 114, the left surface of the connecting column 114 is hinged with the middle part of the right surface of the rotating wheel 113, the, the semicircular ring 123 is sleeved with a connecting ring 115, the front end of the connecting ring 115 is provided with a protective rope 117, the pulling ring 112 can be pulled off by the climbing frame 13 to lower the hoisting device 2 so as to be convenient for disassembling the portal frame, can be convenient for dismantle support frame 1 through connecting screw 110, spring 15's rear end and three 16 rear surface fixed connections in rectangular groove, slab 17 rear surface is provided with a pull ring 112, pull ring 112 front surface and slab 17 rear surface fixed connection, support frame 1, chassis 3 and connecting block 4 are two, horizontal pole 42 sets up in the rectangular groove six 33 that corresponds, montant 23 sets up in rectangular groove 18, two three-square 45 relative two sides pass through fixed screw 44 and circular slot 19 fixed connection with the lower extreme of the left and right sides two sides of a support body 11 that corresponds respectively, support body 11 passes through connecting screw 110 fixed connection with square 41, slab 17 sets up in rectangular groove four 12, the rear surface of support body 11 is provided with climbing frame 13.

The working principle is as follows: this simple and easy portal crane, slide in five 32 rectangular grooves through pulley 47 and change the left and right sides position of support frame 1, change the fore-and-aft position of lifting hook 25 through motor 22, compared traditional portal crane and increased and hung the scope of getting, hoisting accessory 2 rises to support frame 1 upper end back, extrude fixture block 14 to three 16 rectangular grooves in, after montant 23 rises to the top, fixture block 14 returns the normal position under the effect of spring 15, make hoisting accessory 2 fix at this height, can pull away pull ring 112 through climbing frame 13 and make hoisting accessory 2 descend convenient to detach portal frame, can convenient to detach support frame 1 through connecting screw 110.

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 simple and easy portal crane, includes support frame (1), its characterized in that: support frame (1) lower extreme is provided with connecting block (4), and connecting block (4) lower extreme is provided with chassis (3), and support frame (1) upper end is provided with hoisting accessory (2), and support frame (1) is including support body (11), rectangle recess one (18) and rectangle recess two (111), and rectangle recess one (18) set up the mid portion at the front surface of support body (11), and rectangle recess two (111) set up the lower extreme at the front surface of support body (11), and the lower extreme of the left and right sides of support body (11) all is provided with two circular slots one (19).

2. The simple gantry crane of claim 1, wherein: the upper end of the rear surface of the rectangular groove I (18) is provided with a rectangular groove III (16), the upper end of the rear surface of the rectangular groove III (16) is provided with a rectangular groove IV (12), a clamping block (14) is arranged in the rectangular groove III (16), the rear surface of the clamping block (14) is provided with a spring (15) and a flat block (17), the front surface of the flat block (17) is fixedly connected with the upper end of the rear surface of the clamping block (14), the front end of the spring (15) is fixedly connected with the middle part of the rear surface of the clamping block (14), the rear end of the spring (15) is fixedly connected with the rear surface of the rectangular groove III (16), the rear surface of the flat block (17) is provided with a pull ring (112), the front surface of the pull ring (112) is fixedly connected with the rear surface of the flat block (17), the flat block (17) is arranged in the rectangular groove IV (12), and the rear surface of the frame body (.

3. The simple gantry crane of claim 1, wherein: a sliding groove (120) is arranged in the middle of the right surface of the frame body (11), a wheel groove (121) is arranged in the middle of the front surface and the rear surface of the sliding groove (120), a plurality of rotating blocks (122) are arranged at the rear end of the sliding groove (120), a movable short rod (118) is arranged on the right surface of each rotating block (122), the rear end of the left surface of each movable short rod (118) is hinged with the right surface of the corresponding rotating block (122), a stop block (119) is fixedly arranged at the lower end of each rotating block (122), a rotating wheel (113) is arranged in each wheel groove (121), a connecting column (114) is arranged on the right surface of each rotating wheel (113), the left surface of each connecting column (114) is hinged with the middle of the right surface of each rotating wheel (113), a semicircular ring (123) is arranged on the right surface of each connecting column (114), a connecting ring (115) is sleeved on each semicircular ring (123), the front end of the connecting ring (115) is provided with a protective rope (117).

4. The simple gantry crane of claim 1, wherein: hoisting accessory (2) are including playing gallows (21), motor (22) and lifting rope (24), motor (22) set up and all are provided with montant (23) in the middle part that the upper surface mid portion of gallows (21) played the front and back of gallows (21), the relative two sides of two montants (23) respectively with play gallows (21) front and back mid portion fixed connection, lifting rope (24) set up at gallows (21) lower surface, lifting rope (24) lower extreme fixedly connected with lifting hook (25), the lower extreme prong part of lifting hook (25) is provided with a recess (26), the upper end prong part of lifting hook (25) articulates there is movable rod (27).

5. The simple gantry crane of claim 1, wherein: the base frame (3) comprises a base (31), a five rectangular groove (32) and six rectangular grooves (33), the five rectangular grooves (32) are arranged in the middle of the upper surface of the base (31), and the six rectangular grooves (33) are respectively arranged at the upper ends of the front face and the rear face of the five rectangular grooves (32).

6. The simple gantry crane of claim 1, wherein: connecting block (4) include two triangle blocks (45), square (41) and two circular slot two (46), both ends are provided with circular slot three (43) around the upper surface of square (41), the upper end of the front and back face of square (41) all is provided with a horizontal pole (42), the relative two sides of two horizontal poles (42) respectively with the upper end fixed connection of the front and back face of square (41), two circular slot two (46) set up the lower extreme at the front and back face of square (41) respectively, all be provided with a pulley (47) in two circular slot two (46), be provided with a round bar (48) in the middle of two pulleys (47), round bar (48) front and back two sides respectively with the mid portion fixed connection of the relative two sides of two pulleys (47), the relative face mid portion of two circular slot two (46) is provided with pole groove (49), round bar (48) set up in pole groove (49).

7. The simple gantry crane of claim 1, wherein: a triangular groove (410) is formed in the inclined plane of the triangular block (45), and two fixing screws (44) are arranged on the left surface of the triangular groove (410).

8. The simple gantry crane of claim 1, wherein: support frame (1), chassis (3) and connecting block (4) are two, and horizontal pole (42) set up in rectangle recess six (33) that correspond, and montant (23) set up in rectangle recess one (18), and two three relative faces of piece (45) pass through fixed screw (44) and circular slot one (19) fixed connection with the lower extreme of the left and right sides two faces of a support body (11) that corresponds respectively, and support body (11) pass through connecting screw (110) fixed connection with square (41).