CN213265412U - Hoisting mechanism for producing large-scale weighing apparatus - Google Patents

Abstract

The utility model relates to a large-scale weighing apparatus production is with hoist and mount mechanism belongs to the technical field who weighs the weighing apparatus, and it includes the electric hoist, the electric hoist include the steel cable, still include with the gallows of the steel cable junction of electric hoist, the gallows includes the install bin, fixedly on the install bin be provided with the multiunit axle bed, all rotate on every group axle bed to support and have an installation axle, install the epaxial cover of installation and be equipped with tubular structure unreel the dish, the winding has the string rope on the unreeling dish, the one end of hanging the rope is fixed on the unreeling dish, other end fixedly connected with lifting hook. The weighing apparatus lifting device has the effect that the weighing apparatus can be lifted from a plurality of positions simultaneously.

Description

Hoisting mechanism for producing large-scale weighing apparatus

Technical Field

The application relates to the technical field of weighing apparatus, in particular to a hoisting mechanism for producing a large-scale weighing apparatus.

Background

A truck scale, a large scale that is placed on the ground, is commonly used to weigh the tons of a truck. The weighing device is a main weighing device for measuring bulk goods of factories, mines, merchants and the like. When the automobile weighing apparatus is produced, the steel plate combination is required to be welded into parts such as a supporting beam of the weighing apparatus, and a hoisting mechanism is required to hoist the supporting beam and the weighing apparatus in the process.

At present, the patent document with the publication number of CN202322083U discloses a retractable and rotatable hoisting device applied to a large scale weighing apparatus calibrating device, the hoisting device is fixed at the top of a compartment of a weighing apparatus vehicle, and comprises a rail beam fixed at the top of the compartment of the weighing apparatus vehicle, at least two rollers, a connecting piece, a rotating guide rail and an electric hoist, each roller is located on the rail beam, each roller is connected with a small motor, each roller is connected with the connecting piece through an axle, one end of the rotating guide rail is pivoted with the connecting piece, and the electric hoist is installed at the other end of the rotating guide rail. The device can make handling process light, convenient more.

In view of the above-mentioned related arts, the inventor believes that such a lifting device cannot lift a plurality of portions of the weighing apparatus at the same time when lifting, easily causing unstable center of gravity of the weighing apparatus, and therefore needs improvement.

SUMMERY OF THE UTILITY MODEL

In order to be able to hoist the weighing apparatus from a plurality of positions simultaneously, the application provides a hoisting mechanism for producing large-scale weighing apparatus.

The application provides a large-scale weighing apparatus production is with hoist and mount mechanism adopts following technical scheme:

the utility model provides a large-scale weighing apparatus production is with hoist mechanism, includes the electric hoist, the electric hoist include the steel cable, still include with the gallows of the steel cable connection of electric hoist, the gallows includes the install bin, and the fixed multiunit axle bed that is provided with on the install bin all rotates on every group axle bed to be supported and has an installation axle, installs epaxial cover and is equipped with tubular structure's the dish that unreels, and the winding has the string rope on the reel of unreeling, and the one end of hanging the rope is fixed on the reel of unreeling, other end fixedly connected with lifting.

Through adopting above-mentioned technical scheme, owing to installed the multiunit on the install bin and unreeled the dish and hang the rope, and every equal fixedly connected with couple of tip of hanging the rope, consequently the staff can hang the different positions of weighing apparatus with a plurality of couples to make the electric hoist can hang the weighing apparatus from a plurality of positions simultaneously, guaranteed the stability when weighing apparatus is hung.

Optionally, the inner race of the unwinding disc is sleeved with a clockwork spring, one end of the clockwork spring is fixed on the unwinding disc, and the other end of the clockwork spring is fixed on the mounting shaft.

Through adopting above-mentioned technical scheme, when the staff will hang the rope when pulling out from putting the reel, the clockwork spring stores elastic potential energy, and after the staff loosened the couple, the clockwork spring can release elastic potential energy to make to hang the rope and coil again on putting the reel, thereby reduced and hung the space that the rope took in the air when not using.

Optionally, control devices for controlling rotation of the mounting shaft are mounted on the mounting shaft and in the mounting box, each control device includes a ratchet wheel coaxially fixed on the mounting shaft, and further includes a pawl rotatably supported in the mounting box and used in cooperation with the ratchet wheel, a fitting groove capable of extending the pawl is formed in the mounting box, and the pawl extends from the fitting groove and abuts against the ratchet wheel; the control device further comprises a spring connected with the pawl, one end of the spring is fixed on the pawl, the other end of the spring is fixed on the inner wall of the installation box, and the pawl is connected with a limiting device capable of pulling the pawl to enable the pawl to be separated from the ratchet wheel.

Through adopting above-mentioned technical scheme, the spring makes the pawl support on the ratchet, makes the ratchet only can one-way rotation, when the staff will hang the rope and pull out from unreeling the dish, the pawl supports and can make on the ratchet hang the rope and only can follow and unreel the dish and pull out, and has avoided the condition that the rope just coiled on unreeling the dish again soon loose one hand.

Optionally, a control groove is formed in the installation box, a control block is in sliding fit in the control groove, a fixing head capable of preventing the control block from entering the installation box is fixedly arranged on the control block, the limiting device further comprises a pull rope connected between the control block and the pawl, one end of the pull rope is fixed on the pawl, and the other end of the pull rope is fixed on the control block.

Through adopting above-mentioned technical scheme, natural state, under the effect of spring, the pawl can stimulate the stay cord and can make the fixed head support on the lateral wall of install bin, the pawl keeps the butt with the ratchet, behind the staff pulling fixed head, can pull out the control block from the control tank to can pass through the stay cord pulling pawl, make pawl and ratchet phase separation, remove the pawl to the unidirectional rotation's of ratchet restriction, hang the rope and will coil on unreeling the dish again under the effect of clockwork spring.

Optionally, the outer side wall of the installation box on two sides of the control groove is also respectively and fixedly provided with a limiting plate capable of fixing the position of the control block.

By adopting the technical scheme, after the control block is pulled out from the control groove, the control block is clamped on the two limiting plates by rotating the control block, so that the pawl can be kept in a state separated from the ratchet wheel.

Optionally, the hanger further comprises an installation seat, the installation seat is of a cylindrical structure with an opening, the opening of the installation seat is upward and fixed on the installation box, and a baffle ring is fixedly arranged at the edge of the opening of the installation seat; install the assembly pulley in the mount pad, the assembly pulley is including rotating seat and fixed pulley, rotates the seat and includes turn round and installation piece, and the turn round is cylindrical structure and normal running fit in the mount pad, and the fixed two installation pieces that are provided with on the turn round, and the fixed pulley rotates and supports between two installation pieces, the steel cable of electric hoist is followed walk around on the fixed pulley.

Through adopting above-mentioned technical scheme, because the mount pad with rotate a normal running fit, consequently the install bin can revolute and rotate the seat and rotate, drive the lifting hook and rotate to different directions, consequently can make things convenient for the staff to rotate the lifting hook to different positions according to the use needs.

Optionally, the mounting seat is provided with a pin hole penetrating through the side wall of the mounting seat, and the rotating head is provided with a positioning hole penetrating through the rotating head.

By adopting the technical scheme, after the pin hole is rotated to the position corresponding to the positioning hole, the pin penetrates through the pin hole and the positioning hole to lock the mounting seat and the rotating seat, so that the mounting box and the pulley block are locked.

Optionally, the installation box is provided with a pin chain, one end of the pin chain is fixed on the installation box, and the other end of the pin chain is fixedly connected with the pin.

Through adopting above-mentioned technical scheme, the pin passes through round pin chain fixed connection on the install bin, avoids the pin to take place to lose when using, convenient and fast more.

In summary, the present application includes at least one of the following beneficial technical effects:

1. because the installation box is provided with the plurality of groups of unreeling discs and hanging ropes, and the end part of each hanging rope is fixedly connected with the hook, workers can hang different parts of the weighing apparatus by using the hooks, so that the electric hoist can hang the weighing apparatus from a plurality of positions at the same time, and the stability of the weighing apparatus when being hung is ensured;

2. when the staff pulls out the hanging rope from the unwinding disc, the spring stores elastic potential energy, and after the staff loosens the hook, the spring can release the elastic potential energy, so that the hanging rope is coiled on the unwinding disc again, and the space occupied by the hanging rope in the air when the hanging rope is not used is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a sectional view of the mounting box and an exploded view of the pulley block and the mounting seat.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 01. a crown block bridge; 02. an electric hoist; 021. a steel cord; 1. a hanger; 11. installing a box; 111. a pin chain; 112. a pin; 113. a mating groove; 114. a control slot; 12. a mounting seat; 121. a baffle ring; 122. a pin hole; 2. a pulley block; 21. a rotating seat; 211. turning the head; 2111. positioning holes; 212. mounting a sheet; 22. a fixed pulley; 3. a shaft seat; 31. installing a shaft; 32. placing the reel; 33. a clockwork spring; 34. hanging a rope; 35. hooking; 4. a control device; 41. a ratchet wheel; 42. a supporting seat; 43. a support shaft; 44. a pawl; 45. a spring; 51. a control block; 52. a fixed head; 53. pulling a rope; 54. and a limiting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses hoisting mechanism is used in production of large-scale weighing apparatus. Referring to fig. 1 and 2, the hoisting mechanism for producing the large-scale weighing apparatus comprises an electric hoist 02 installed on an overhead crane bridge frame 01, the electric hoist 02 comprises a steel rope 021 for lifting objects, the steel rope 021 of the electric hoist 02 hangs downwards, the lower part of the steel rope 021 is connected with a hanger 1, the hanger 1 comprises an installation box 11, the installation box 11 is a rectangular cavity shell-shaped structure, the hanger 1 further comprises an installation seat 12 fixed on the upper surface of the installation box 11, a pulley block 2 is installed on the installation seat 12, the pulley block 2 is connected with the steel rope 021 on the electric hoist 02, the electric hoist 02 can pull the installation seat 12 upwards through the steel rope 021, and therefore the installation box 11 is driven to move upwards.

Referring to fig. 1 and 2, the mounting seat 12 is a cylindrical structure with an opening, the opening of the mounting seat 12 is arranged upward, a retaining ring 121 is fixedly arranged at the edge of the opening of the mounting seat 12, the retaining ring 121 is an annular sheet-shaped structure, the pulley block 2 comprises a rotating seat 21 and a fixed pulley 22, wherein the rotating seat 21 comprises a rotating head 211 and mounting pieces 212, the rotating head 211 is in a cylindrical structure and is rotatably matched in the mounting seat 12, the diameter of the rotating head 211 is larger than that of the inner ring of the baffle ring 121, the mounting pieces 212 are provided with two mounting pieces 212 which are both fixed on the rotating head 211, the mounting pieces 212 extend out of the mounting seat 12 through the inner ring of the baffle ring 121, a distance is arranged between the mounting pieces 212, the fixed pulley 22 is rotatably supported between the two mounting pieces 212, a steel rope 021 of the electric hoist 02 passes around the fixed pulley 22, since the mounting base 12 is rotatably engaged with the rotary head 211, the mounting box 11 can freely rotate around the fixed pulley 22.

Referring to fig. 2, a pin hole 122 penetrating through two side walls of the mounting base 12 is formed in the mounting base 12, a positioning hole 2111 penetrating through the swivel 211 is formed in the swivel 211, the diameter of the positioning hole 2111 is the same as that of the pin hole 122, the positioning hole 2111 is at the same height as that of the pin hole 122, a pin chain 111 is mounted on the mounting box 11, the pin chain 111 is in a long strip metal chain structure, one end of the pin chain 111 is fixed on the mounting box 11, and the other end of the pin chain is fixedly connected with a pin 112.

Referring to fig. 2, a plurality of sets of shaft seats 3 are fixedly arranged on the lower surface of the installation box 11, two shaft seats 3 are arranged on each set, each shaft seat 3 is of a plate-shaped structure, an installation shaft 31 is rotatably supported between each set of shaft seats 3, a unwinding disc 32 is sleeved on the installation shaft 31, the unwinding disc 32 is of a cylindrical structure, a clockwork spring 33 is sleeved on an inner circle of the unwinding disc 32, one end of the clockwork spring 33 is fixed on the inner wall of the unwinding disc 32, the other end of the clockwork spring is fixed on the installation shaft 31, a hanging rope 34 is wound on the unwinding disc 32, one end of the hanging rope 34 is fixed on the unwinding disc 32, and the other end of the hanging rope is fixedly connected with a hook 35. when the weighing apparatus is hoisted, a worker can use the plurality of hooks 35 to hang different parts of the weighing apparatus, so that the electric hoist 02 can hoist from a plurality of positions simultaneously, the stability of the weighing apparatus when, reducing the space occupied by the lanyard 34 in the air.

Referring to fig. 2 and 3, a control device 4 for controlling the rotation of the mounting shaft 31 is mounted on the mounting shaft 31 and in the mounting box 11, the control device 4 includes a ratchet wheel 41 coaxially fixed on the mounting shaft 31, a plurality of sets of supporting seats 42 with the same number as the sets of the shaft seats 3 are fixedly mounted in the mounting box 11, two supporting seats 42 are provided for each set, a supporting shaft 43 is rotatably supported between the two supporting seats 42 of each set, the control device 4 further includes a pawl 44 coaxially fixed on the supporting shaft 43, in addition, a plurality of through matching grooves 113 are formed on the bottom surface of the mounting box 11, each matching groove 113 corresponds to one pawl 44, the pawl 44 extends out of the matching groove 113 and abuts against the ratchet wheel 41, the control device 4 further includes a spring 45 connected with each pawl 44, one end of the spring 45 is fixed on the inner wall of the mounting box 11, the other end is fixed on the pawl 44, the spring 45 has a, thereby preventing the ratchet wheel 41 from rotating in one direction, and when the worker pulls the hanging rope 34 out of the unwinding disc 32, the pawl 44 abuts against the ratchet wheel 41 to enable the hanging rope 34 to be pulled out of the unwinding disc 32 only, thereby avoiding the situation that the hanging rope 34 is rewound on the unwinding disc 32 as soon as the worker looses his/her hand.

Referring to fig. 2 and 3, a plurality of control grooves 114 are formed in the side wall of the mounting box 11, each control groove 114 corresponds to one pawl 44, each control groove 114 is an elongated groove, a control block 51 penetrates through the control groove 114, the control block 51 is an elongated block and is slidably fitted in the control groove 114, a fixing head 52 is fixed on the control block 51, the fixing head 52 is cylindrical and is fixed on the control block 51, the diameter of the fixing head 52 is larger than the width of the control groove 114, a pull rope 53 is connected between the control block 51 and the pawl 44, one end of the pull rope 53 is fixed on the pawl 44, the other end of the pull rope 53 is fixed on the control block 51, in addition, a limit plate 54 is respectively and fixedly arranged on the outer side wall of the mounting box 11 at the two sides of the control groove 114, the limit plate 54 is a groove-shaped structure with a U-shaped cross section, the openings of the two limit plates 54 are oppositely arranged, in a natural state, under the action of the spring 45, the pawl 44 can pull the pull rope 53 and enable the fixed head 52 to abut against the side wall of the mounting box 11, a worker can pull the fixed head 52 to pull the control block 51 out of the control groove 114, and can pull the pawl 44 through the pull rope 53 to enable the pawl 44 to be separated from the ratchet wheel 41, the limitation of the pawl 44 on the unidirectional rotation of the ratchet wheel 41 is released, and the rotation control block 51 can enable the pawl 44 to be kept separated from the ratchet wheel 41 after the control block 51 is clamped in the two limiting plates 54 through the rotation control block 51.

The implementation principle of the hoisting mechanism for producing the large-scale weighing apparatus in the embodiment of the application is as follows: because the installation box 11 is provided with the multiple sets of unreeling discs 32 and hanging ropes 34, and the end part of each hanging rope 34 is fixedly connected with the hook 35, the workers can hang different parts of the weighing apparatus by using the hooks 35, so that the electric hoist 02 can hang the weighing apparatus from multiple positions at the same time, and the stability of the weighing apparatus when being hung is ensured.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a production of large-scale weighing apparatus is with hoist and mount mechanism, includes electric calabash (02), and electric calabash (02) include steel cable (021), its characterized in that: still include with gallows (1) that steel cable (021) of electric hoist (02) are connected, gallows (1) are including install bin (11), fixedly on install bin (11) be provided with multiunit axle bed (3), all rotate on every group axle bed (3) and support one installation axle (31), the cover is equipped with tubular structure's reel (32) of putting on installation axle (31), it has string rope (34) to put the winding on reel (32), the one end of hanging rope (34) is fixed on putting reel (32), other end fixedly connected with lifting hook.

2. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 1, wherein: the inner circle cover of unreeling dish (32) is equipped with clockwork spring (33), and the one end of clockwork spring (33) is fixed on unreeling dish (32), and the other end is fixed install the axle (31) on.

3. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 2, wherein: a control device (4) for controlling the rotation of the mounting shaft (31) is mounted on the mounting shaft (31) and in the mounting box (11), the control device (4) comprises a ratchet wheel (41) coaxially fixed on the mounting shaft (31), and also comprises a pawl (44) which is rotatably supported in the mounting box (11) and is matched with the ratchet wheel (41) for use, a matching groove (113) capable of enabling the pawl (44) to extend out is formed in the mounting box (11), and the pawl (44) extends out from the matching groove (113) and abuts against the ratchet wheel (41);

the control device (4) further comprises a spring (45) connected with the pawl (44), one end of the spring (45) is fixed to the pawl (44), the other end of the spring is fixed to the inner wall of the installation box (11), and the pawl (44) is connected with a limiting device capable of pulling the pawl (44) to enable the pawl (44) to be separated from the ratchet wheel (41).

4. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 3, wherein: the mounting box (11) is provided with a control groove (114), the control groove (114) is internally provided with a control block (51) in a sliding fit mode, the control block (51) is fixedly provided with a fixing head (52) capable of preventing the control block (51) from entering the mounting box (11), the limiting device further comprises a control block (51) and a pull rope (53) connected between the pawls (44), one end of the pull rope (53) is fixed on the pawls (44), and the other end of the pull rope is fixed on the control block (51).

5. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 4, wherein: and the outer side walls of the installation box (11) at two sides of the control groove (114) are respectively and fixedly provided with a limiting plate (54) capable of fixing the position of the control block (51).

6. The hoisting mechanism for the production of large-scale weighing apparatus according to any one of claims 1 to 5, wherein: the hanger (1) further comprises a mounting seat (12), the mounting seat (12) is of a cylindrical structure with an opening, the opening of the mounting seat (12) faces upwards and is fixed on the mounting box (11), and a baffle ring (121) is fixedly arranged on the edge of the opening of the mounting seat (12);

install assembly pulley (2) in mount pad (12), assembly pulley (2) are including rotating seat (21) and fixed pulley (22), rotate seat (21) including turning round (211) and installation piece (212), turn round (211) for cylindrical structure and normal running fit in mount pad (12), turn round (211) and go up the fixed two installation pieces (212) that are provided with, fixed pulley (22) rotate to be supported between two installation pieces (212), steel cable (021) of electric hoist (02) are followed walk around on fixed pulley (22).

7. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 6, wherein: the mounting seat (12) is provided with a pin hole (122) penetrating through the side wall of the mounting seat (12), and the rotating head (211) is provided with a positioning hole (2111) penetrating through the rotating head (211).

8. The hoisting mechanism for producing the large-scale weighing apparatus according to claim 7, wherein: the mounting box (11) is provided with a pin chain (111), one end of the pin chain (111) is fixed on the mounting box (11), and the other end of the pin chain is fixedly connected with a pin (112).

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