CN213085235U

CN213085235U - Electric block single-beam crane trolley limiting mechanism

Info

Publication number: CN213085235U
Application number: CN202021801423.0U
Authority: CN
Inventors: 李国臣
Original assignee: Henan Hexing Heavy Equipment Co ltd
Current assignee: Henan Hexing Heavy Equipment Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-30
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an electric block monospar monkey stop gear, its structure includes the base, the utility model discloses a set up complementary unit in upper end of the support bar, insert the inserted bar of second stopper lower extreme to first stopper in, make afterwards quick fixing device insert to the recess in can, reached the advantage of being convenient for dismantle fast and reduce working cost, through setting up quick fixing device in second limiting plate upper end, place the threaded rod in the stop collar, rotate the nut afterwards and make stop device and slotted hole align the back, the spring is ejecting with the lug, the advantage of being convenient for fix fast has been reached.

Description

Electric block single-beam crane trolley limiting mechanism

Technical Field

The utility model relates to an electric block monospar monkey stop gear belongs to the stop gear field.

Background

The electric hoist single-beam crane belongs to one type of hoisting machinery, and is a machinery which does circulation and intermittent motion, and the electric hoist single-beam crane comprises a cross beam, a trolley and a controller, wherein the trolley is arranged on the cross beam, and the trolley runs on the cross beam during working, the controller is used for controlling the trolley to work, two ends of the cross beam of the electric hoist single-beam crane in the prior art are respectively provided with a stop block, the stop blocks are used for rigidly blocking the trolley to stop running when the trolley travels to a limit position, and in the process, the trolley is rigidly built on the stop blocks basically under the condition of full speed, and the electric hoist single-beam crane trolley limiting mechanism in the prior art has the following defects: the stop block is easy to damage due to more times of collision, so that a limit mechanism is required for auxiliary work.

Because current electric block monospar monkey stop gear, when the dolly stroke to extreme position, stop device will slow down the impact, but stop gear uses the back for a long time, and the person of not being convenient for changes, and reinforcing working cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an electric block monospar monkey stop gear to solve prior art because current electric block monospar monkey stop gear, when the dolly stroke reaches extreme position, stop device will slow down the impact, but stop gear uses the back for a long time, and the person of not being convenient for changes, and strengthens working cost's problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a limiting mechanism of an electric hoist single-beam crane trolley comprises a base, an auxiliary mechanism and a quick fixing device, wherein the upper end of the base is fixed with a fixed block, the upper end of the fixed block is fixed with a fixing piece through welding, the middle part of the upper end of the fixed block is fixed with a limiting cylinder into a whole, the middle part of the upper end of the limiting cylinder is fixed with a supporting rod, a first spring is arranged on the surface of the supporting rod, the lower end of the auxiliary mechanism is fixed with the supporting rod through welding, the lower end of the quick fixing device is connected with the auxiliary mechanism in a penetrating way, the auxiliary mechanism comprises a first limiting block, a first limiting plate, an inserting rod, a second limiting block and a second limiting plate, the right end of the first limiting block is fixed with the first limiting plate, the upper end of the first limiting block is inserted into the inserting rod, the upper end of the inserting rod is, the lower end of the first limiting block is fixed with the supporting rod through welding.

Further, quick fixing device comprises nut, threaded rod, third stopper, stop device, stop collar and slotted hole, the nut lower extreme is fixed mutually with the threaded rod, the threaded rod lower extreme is fixed as an organic whole with the third stopper, third stopper front end is fixed mutually with stop device, the threaded rod lower extreme passes through threaded connection with the stop collar, the slotted hole has been seted up to stop collar lower extreme front side, the threaded rod lower extreme is through connection with the second limiting plate, the stop collar upper end is fixed mutually with first stop collar.

Furthermore, the limiting device is composed of a shell, a second spring and a convex block, the left end of the inner side of the shell is fixed with the second spring, the right end of the second spring is fixed with the convex block into a whole, the left end of the shell is fixed with a third limiting block, and the right end of the convex block is connected with the limiting sleeve in a penetrating way.

Furthermore, the second limiting block is in a round cake shape, and a rubber layer is arranged on the surface of the second limiting block.

Furthermore, the second limiting plate is provided with two, and is symmetrical along the vertical center axis of second limiting block and distributes, and second limiting plate upper end middle part is seted up flutedly.

Further, the length that the stop collar set up is 5cm, and the stop collar is inside to be provided with the screw thread, and the screw thread interval is 1 mm.

Furthermore, the number of the limiting devices is four, and the limiting devices are distributed in an annular array along the circle center of the third limiting block.

Further, the compressible length and the extensible length of the second spring are both 2cm, and the traction force set by the second spring is 10N.

Furthermore, the inserted bar is made of aluminum alloy.

Furthermore, the limiting sleeve is made of stainless steel.

The method has the advantages that: the utility model discloses an electric block monospar monkey stop gear through setting up complementary unit in upper end of the support bar, inserts the inserted bar of second stopper lower extreme to first stopper in, make afterwards quick fixing device insert to the recess can, reached the advantage of being convenient for dismantle fast and reduce working cost.

The method has the advantages that: the utility model discloses an electric block monospar monkey stop gear through setting up quick fixing device in second limiting plate upper end, places the threaded rod in the stop collar, rotates the nut afterwards and makes stop device and slotted hole align the back, and the spring is ejecting with the lug, has reached the advantage of being convenient for quick fixed.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the auxiliary mechanism of the present invention;

FIG. 3 is a schematic view of the front view of the quick fixing device of the present invention;

fig. 4 is a schematic view of the explosion structure of the quick fixing device of the present invention;

fig. 5 is a schematic view of the internal structure of the limiting device of the present invention.

In the figure: the device comprises a base-1, a fixed block-2, a fixed piece-3, a limiting cylinder-4, a supporting rod-5, a first spring-6, an auxiliary mechanism-7, a quick fixing device-8, a first limiting block-71, a first limiting plate-72, an inserting rod-73, a second limiting block-74, a second limiting plate-75, a nut-81, a threaded rod-82, a third limiting block-83, a limiting device-84, a limiting sleeve-85, a slotted hole-86, a shell-841, a second spring-842 and a bump-843.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1, the utility model provides an electric block monospar monkey stop gear here through the improvement, including base 1, base 1 upper end is fixed mutually with fixed block 2, fixed block 2 upper end and mounting 3 pass through welded fastening, fixed block 2 upper end middle part is fixed integrative with spacing cylinder 4, spacing cylinder 4 upper end middle part is fixed mutually with bracing piece 5, bracing piece 5 surface is provided with

first spring

6, 7 lower extremes of complementary unit and bracing piece 5 pass through welded fastening, 8 lower extremes of quick fixing device and complementary unit 7 through connections, the better work that carries on of the quick fixing device 8 of being convenient for.

Referring to fig. 2, the present invention provides a limiting mechanism of a trolley of an electric hoist single-beam crane through an improvement, which comprises an auxiliary mechanism 7 and a quick fixing device 8, wherein the auxiliary mechanism 7 comprises a first limiting block 71, a first limiting plate 72, an insertion rod 73, a second limiting block 74 and a second limiting plate 75, the right end of the first limiting block 71 is fixed to the first limiting plate 72, the upper end of the first limiting block 71 is inserted into the insertion rod 73, the upper end of the insertion rod 73 is fixed to the second limiting block 74 into a whole, the second limiting block 74 is in a circular cake shape, a rubber layer is disposed on the surface of the second limiting block 74, the right end of the second limiting block 74 is fixed to the second limiting plate 75, two second limiting plates 75 are disposed, and are symmetrically distributed along the longitudinal central axis of the second limiting block 74, a groove is disposed in the middle of the upper end of the second limiting plate 75, the lower end of the first, the support rod 5 has good supporting and fixing effects.

Referring to fig. 3 and 4, the present invention provides a limiting mechanism for a trolley of an electric hoist single-beam crane through improvement, which comprises a quick fixing device 8, a nut 81, a threaded rod 82, a third limiting block 83, a limiting device 84, a limiting sleeve 85 and a slot 86, wherein the lower end of the nut 81 is fixed to the threaded rod 82, the lower end of the threaded rod 82 is fixed to the third limiting block 83, the front end of the third limiting block 83 is fixed to the limiting device 84, the limiting devices 84 are provided with four limiting devices, the limiting devices 84 are distributed along the circle center of the third limiting block 83 in an annular array, the lower end of the threaded rod 82 is connected to the limiting sleeve 85 through threads, the length of the limiting sleeve 85 is 5cm, threads are arranged inside the limiting sleeve 85, the pitch of the threads is 1mm, the slot 86 is arranged on the front side of the lower end of the limiting sleeve 85, the lower end of the threaded rod 82 is connected to the second limiting plate 75, the upper, the limiting device 84 has a good limiting and fixing effect.

Please refer to fig. 5, the utility model provides an electric block monospar monkey stop gear here through the improvement, including stop device 84 by shell 841, second spring 842 and lug 843 constitute, the inboard left end of shell 841 is fixed mutually with second spring 842, second spring 842 right-hand member is fixed as an organic whole with lug 843, the compressible length with extending of second spring 842 is 2cm, and the traction force that second spring 842 set up is 10N, shell 841 left end is fixed mutually with third stopper 83, lug 843 right-hand member and stop collar 85 through-connection, second spring 842 is convenient for the better work that carries on of lug 843.

The first spring 6, the spring is a mechanical part that uses elasticity to work, and the part made of elastic material takes place to warp under the exogenic action, and the reconversion after removing external force also makes "spring", generally makes with spring steel, and the kind of spring is complicated various, divides according to the shape, mainly has coil spring, spiral spring, leaf spring, abnormal shape spring etc..

The working principle is as follows:

firstly, the method comprises the following steps: a user can firstly carry the device to a place to be used and then fix the device on the left side and the right side of the slide rail through the fixing piece 3, and then the user firstly inserts the inserted rod 73 arranged at the lower end of the second limit block 74 into the first limit block 71, so that the first limit block 71 is tightly attached to the second limit block 74;

secondly, the method comprises the following steps: then, the user places the threaded rod 82 in the position-limiting sleeve 85, and then rotates the nut 81 through an external tool, so that the threaded rod 82 and the threads arranged in the position-limiting sleeve 85 rotate to work, and when the position-limiting device 84 at the lower end of the third position-limiting block 83 is aligned with the slot hole 86, the second spring 842 lifts up, so that the bump 84 is ejected out of the slot hole 86, thereby achieving the effect of position-limiting and fixing;

thirdly, the method comprises the following steps: after the quick fixing device 8 is fixed on the auxiliary mechanism 7, after the trolley of the electric hoist single-beam crane stops sliding on the slide rail, the rubber layer arranged at the upper end of the second limiting plate 74 can slow down the impact force of the trolley, so that the phenomenon of damage of the trolley is prevented.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A limiting mechanism of an electric hoist single-beam crane trolley comprises a base (1), wherein the upper end of the base (1) is fixed with a fixing block (2), the upper end of the fixing block (2) is fixed with a fixing piece (3) through welding, the middle part of the upper end of the fixing block (2) is fixed with a limiting cylinder (4) into a whole, the middle part of the upper end of the limiting cylinder (4) is fixed with a supporting rod (5), and a first spring (6) is arranged on the surface of the supporting rod (5);

the method is characterized in that: still include complementary unit (7) and quick fixing device (8), complementary unit (7) lower extreme and bracing piece (5) are through welded fastening, quick fixing device (8) lower extreme and complementary unit (7) through connection, complementary unit (7) comprise first stopper (71), first limiting plate (72), inserted bar (73), second stopper (74) and second limiting plate (75), first stopper (71) right-hand member is fixed mutually with first limiting plate (72), first stopper (71) upper end is pegged graft with inserted bar (73), inserted bar (73) upper end is fixed as an organic whole with second stopper (74), second stopper (74) right-hand member is fixed mutually with second limiting plate (75), first stopper (71) lower extreme passes through welded fastening with bracing piece (5).

2. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 1, wherein: quick fixing device (8) comprises nut (81), threaded rod (82), third stopper (83), stop device (84), stop collar (85) and slotted hole (86), nut (81) lower extreme is fixed mutually with threaded rod (82), threaded rod (82) lower extreme is fixed as an organic whole with third stopper (83), third stopper (83) front end is fixed mutually with stop device (84), threaded rod (82) lower extreme passes through threaded connection with stop collar (85), slotted hole (86) have been seted up to stop collar (85) lower extreme front side, threaded rod (82) lower extreme and second limiting plate (75) through connection, stop collar (85) upper end is fixed mutually with first limiting plate (72).

3. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 2, wherein: stop device (84) comprise shell (841), second spring (842) and lug (843), shell (841) inboard left end is fixed mutually with second spring (842), second spring (842) right-hand member is fixed as an organic whole with lug (843), shell (841) left end is fixed mutually with third stopper (83), lug (843) right-hand member and stop collar (85) through connection.

4. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 1, wherein: the second limiting block (74) is in a round cake shape, and a rubber layer is arranged on the surface of the second limiting block (74).

5. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 1, wherein: the number of the second limiting plates (75) is two, the second limiting plates are symmetrically distributed along the longitudinal central axis of the second limiting block (74), and grooves are formed in the middle of the upper ends of the second limiting plates (75).

6. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 2, wherein: the length that stop collar (85) set up is 5cm, and stop collar (85) is inside to be provided with the screw thread, and the screw thread interval is 1 mm.

7. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 2, wherein: the number of the limiting devices (84) is four, and the limiting devices (84) are distributed in an annular array along the circle center of the third limiting block (83).

8. The electric hoist single-beam crane trolley limiting mechanism as claimed in claim 3, wherein: the compressible and extendable length of the second spring (842) is 2cm, and the traction force set by the second spring (842) is 10N.