CN218642282U

CN218642282U - Anti-toppling device for semi-portal crane portal

Info

Publication number: CN218642282U
Application number: CN202320171977.4U
Authority: CN
Inventors: 胡鹏辉; 李乐
Original assignee: Henan Heavy Industry Group Crane Technology Co ltd
Current assignee: Henan Heavy Industry Group Crane Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-03-17
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a semi-portal crane portal anti-overturning device belongs to hoist technical field, including base, gyro wheel and balancing weight, the bottom of base is provided with the gyro wheel, the front end of base is provided with the handle, the rear end of base runs through there is first pillar, sliding connection has displacement frame and displacement frame to pass through the bolt and is fixed together with the base on the inboard base of first pillar, be provided with the second pillar on the displacement frame, the balancing weight has been placed on the base, and the balancing weight passes through chucking subassembly and base fixed connection together, the tip cover of the first pillar of base and second pillar is equipped with the limiting plate. The utility model discloses a limiting plate is established to the cover on first pillar and second pillar, can be fixed with portal landing leg and the device chucking, through set up the balancing weight on the base, aggravate the weight of landing leg end, the condition that the portal topples over appears when avoiding removing, guarantees the stability and the security of hoist and mount, convenient to use, easy operation.

Description

Anti-toppling device for semi-portal crane portal

Technical Field

The utility model relates to a hoist portal mounting tool, concretely relates to semi-portal crane portal anti-overturning device belongs to hoist installation technical field.

Background

The semi-portal crane is a variant of a plate crane, also called a portal crane, and consists of a supporting leg and a portal frame, and is commonly used for loading and unloading indoor and outdoor goods. When installing semi-portal crane, need utilize the hoist to remove the one end of portal to the track of factory building top, because semi-portal crane only has a landing leg, when the hoist and mount portal, the staff can install the hoist on the portal and be close to the landing leg end, but during the hoist and mount, the condition of empting has very easily appeared to the portal, has caused very big potential safety hazard for the job site.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: overcome the problem that exists among the prior art, provide a semi-portal crane portal anti-overturning device, reduce the construction degree of difficulty, appear the condition of empting when avoiding the hoist and mount portal, guarantee going on smoothly of construction.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a semi-portal crane portal anti-overturning device, includes base, gyro wheel and balancing weight, the bottom of base is provided with the gyro wheel, the front end of base is provided with the handle, the rear end of base runs through there is first pillar, sliding connection has displacement frame and displacement frame to pass through the bolt and is fixed together with the base on the inboard base of first pillar, be provided with the second pillar on the displacement frame, the balancing weight has been placed on the base, and the balancing weight passes through chucking subassembly and base fixed connection together, the tip cover of the first pillar of base and second pillar is equipped with the limiting plate.

The side of base rear end is dug and is equipped with the rectangle through-hole, the second pillar runs through displacement frame, rectangle through-hole in proper order to be in the same place through bolt and displacement frame fixed connection.

The first supporting column is fixedly connected with the rear end of the base through a bolt.

The two ends of the first supporting column and the second supporting column are respectively sleeved with two limiting plates, and the limiting plates are fixedly connected with the first supporting column and the second supporting column through bolts.

The utility model discloses a clamping assembly, including base, base front end, clamping assembly, spacing frame, bolt fixed connection, the both ends of spacing frame are inserted and are established in the U type frame, and spacing frame passes through bolt fixed connection with the U type frame together, the top of spacing frame is provided with a piece, it has the location hook to run through in the piece, the tip cover of location hook is equipped with the locating plate to it has the assorted nut to twist on the outside location hook of locating plate.

The positioning hooks are distributed in an L shape and fixedly connected with the support block through bolts.

The rectangular through hole is located on the front side of the first support.

The first and second struts are of uniform length.

The utility model has the advantages that:

1) The utility model discloses a limiting plate is established to the cover on first pillar and second pillar, can be fixed with portal landing leg chucking, through set up the balancing weight on the base, aggravate the weight of landing leg end, when avoiding hoist and mount, the condition of empting appears in the portal tip, guarantees the security of construction.

2) The utility model discloses an dig in the side of base front end and establish the rectangle through-hole, can make the landing leg can be fixed by the fastening according to the position of the size adjustment second pillar of landing leg, use in a flexible way, easy operation.

3) The utility model discloses a set up the chucking subassembly in the balancing weight outside, avoid removing the in-process, because of the balancing weight unstable production unsafe hidden danger on the base, improve the security of construction.

Drawings

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

fig. 2 is a schematic structural view of the clamping assembly of the present invention;

FIG. 3 is a schematic structural view of the displacement frame of the present invention;

fig. 4 is a usage state diagram of the present invention.

In the figure, 1-base, 2-roller, 3-first support, 4-rectangular through hole, 5-displacement frame, 6-second support, 7-limit plate, 8-handle, 9-U-shaped frame, 10-counterweight block, 11-limit frame, 12-support block, 13-positioning hook, 14-positioning plate, 15-nut and 16-support leg.

Detailed Description

The invention is further explained below with reference to the drawings and the embodiments.

Example (b): as shown in fig. 1-4, the utility model provides a semi-portal crane portal anti-overturning device, the on-line screen storage device comprises a base 1, gyro wheel 2 and balancing weight 10, bottom at base 1 is provided with gyro wheel 2, front end at base 1 is provided with handle 8, it has first pillar 3 to run through at base 1's rear end, sliding connection has displacement frame 5 on the base 1 of first pillar 3 inboard, and displacement frame 5 is together fixed through bolt and base 1, be provided with second pillar 6 on displacement frame 5, balancing weight 10 has been placed on base 1, and balancing weight 10 is in the same place through chucking subassembly and base 1 fixed connection, the tip cover at first pillar 3 and second pillar 6 is equipped with limiting plate 7.

Rectangular through holes 4 are dug in the side face of the rear end of the base 1, and the second support 6 penetrates through the displacement frame 5 and the rectangular through holes 4 in sequence and is fixedly connected with the displacement frame 5 through bolts.

The first support column 3 is fixedly connected with the rear end of the base 1 through a bolt.

Two limiting plates 7 are respectively sleeved at two ends of the first support 3 and the second support 6, and the limiting plates 7 are fixedly connected with the first support 3 and the second support 6 through bolts.

The both sides of base 1 front end are provided with U type frame 9 respectively, and the chucking subassembly comprises spacing 11 and positioning hook 13, and the both ends of spacing 11 are inserted and are established in U type frame 9 to together through bolt and spacing 11 fixed connection, the top of spacing 11 is provided with a piece 12, has run through positioning hook 13 in the piece 12, and positioning hook 13's tip cover is equipped with locating plate 14, and has twisted assorted nut 15 on the outside positioning hook 13 of locating plate 14.

The positioning hooks 13 are distributed in an L shape, and the positioning hooks 13 are fixedly connected with the support blocks 12 through bolts.

The rectangular through hole 4 is located at the front side of the first pillar 3, and the weight block 10 is located at the front side of the displacement frame 5.

The first 3 and second 6 struts are of uniform length.

In the above description, the displacement space of the second support 6 is the space of the rectangular through hole 4, through holes are dug on the two end faces of the displacement frame 5, and guide sleeves are arranged outside the through holes, the second support 6 penetrates through the guide sleeves, the through holes and the rectangular through hole 4 and is fixedly connected with the displacement frame 5 through bolts, and the bolts are arranged on the guide sleeves.

In the above description, the bolt is also arranged on the top of the displacement frame 5, and in use, the position of the displacement frame 5 is adjusted according to the size of the support leg, and the displacement frame 5 is fixedly connected with the base 1 through the bolt on the top of the displacement frame 5.

In the above description, at least three bolts are arranged on the outer wall of the U-shaped frame 9, and when in use, the limiting frame 11 can be tightly pressed against the outer wall of the base 1 through the bolts.

In the above description, the limiting frame 11 is distributed in a U shape, and the inner wall of the limiting frame 11 is tightly attached to the outer wall of the side surface of the base 1.

In the above description, the two end faces of the counterweight 10 are aligned with the two end faces of the base 1, and the number of counterweights 10 depends on the weight of the legs and the mast.

In the above description, the front end side of the base 1 is dug with a through hole, and a guide sleeve is arranged outside the through hole, the first pillar 3 sequentially penetrates through the guide sleeve and the through hole, and the first pillar 3 and the base 1 are fixedly connected together through a bolt, and the guide sleeve is provided with a bolt.

In the above description, the legs 16 of the crane are distributed in a tapered shape, that is, they are large at the top and small at the bottom, and the bottom of the legs 16 is provided with a bottom plate, and the cross section of the bottom plate is larger than that of the bottom of the legs 16.

In the above description, the length of the limiting plate 7 is the same as the distance between the two struts, and when in use, the corresponding limiting plate 7 needs to be replaced according to different leg sizes; the limiting plate 7 is provided with two through holes, wherein the position of one through hole A corresponds to that of the first support column, the position of the other through hole B corresponds to that of the second support column 6, but the inner size of the through hole B is larger than the outer diameter of the second support column 6, so that the support legs 16 can be clamped conveniently in the later period; and the bolt above the through hole B tightly clamps the inner side position of the through hole.

In actual construction, utilize a hoist card on the portal to remove portal and landing leg, because semi-portal crane has only a landing leg, portal landing leg end is heavier this moment, so during hoist and mount, the staff often can lay the hoist at the portal and be close to the landing leg end, but the condition of empting appears in the other end (no landing leg end) of portal extremely easily, thereby can lead to the landing leg perk, and this device is exactly to solve this problem.

The working principle is as follows:

adjusting the position of the second support column according to the size of the lower part of the support leg and the positions of the two support legs, and fixing the displacement frame through a bolt;

at the moment, the supporting legs are located on the ground, the supporting legs are surrounded by the limiting plates, then the gantry is hoisted by the hoisting tool, the limiting plates move downwards along the supporting legs due to the fact that the supporting legs are distributed in a thick-upper-thin-lower-thin shape until the supporting legs are located on the upper end face of the supporting leg bottom plate, and at the moment, the limiting plates are adjusted again to enable the bottoms of the supporting legs to be clamped tightly;

lay suitable balancing weight on the base to make the balancing weight restricted, fixed through spacing, location hook, at last, the staff is holding up handle cooperation hoist and is removing landing leg, portal, can avoid the portal to have the landing leg end to take place the condition of empting like this, guarantees holistic stability.

The utility model discloses a set up the limiting plate, can be fixed landing leg and the device, through set up the balancing weight on the base, aggravate the weight of landing leg end, the condition that the portal was emptyd appears when avoiding removing, guarantees the stability and the security of hoist and mount, convenient to use, easy operation.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for limiting the same, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a semi-portal crane portal anti-overturning device which characterized in that: including base (1), gyro wheel (2) and balancing weight (10), the bottom of base (1) is provided with gyro wheel (2), the front end of base (1) is provided with handle (8), the rear end of base (1) runs through there is first pillar (3), sliding connection has displacement frame (5) on base (1), and displacement frame (5) are together fixed through bolt and base (1), be provided with second pillar (6) on displacement frame (5), balancing weight (10) have been placed on base (1), and balancing weight (10) are in the same place through chucking subassembly and base (1) fixed connection, the tip cover of first pillar (3) and second pillar (6) is equipped with limiting plate (7).

2. The anti-tipping device for the portal frame of the semi-portal crane according to claim 1, wherein: the side of base (1) rear end is dug and is equipped with rectangle through-hole (4), second pillar (6) run through displacement frame (5), rectangle through-hole (4) in proper order to be in the same place through bolt and displacement frame (5) fixed connection.

3. The anti-toppling device for the portal frame of the semi-portal crane according to claim 1, wherein: the first support column (3) is fixedly connected with the rear end of the base (1) through a bolt.

4. The anti-tipping device for the portal frame of the semi-portal crane according to claim 1, wherein: the two ends of the first supporting column (3) and the second supporting column (6) are respectively sleeved with two limiting plates (7), and the limiting plates (7) are fixedly connected with the first supporting column (3) and the second supporting column (6) through bolts.

5. The anti-tipping device for the portal frame of the semi-portal crane according to claim 1, wherein: the utility model discloses a clamping device, including base (1), clamping assembly, spacing frame (11), U shaped frame (13), locating hook (13), the both sides of base (1) front end are provided with U shaped frame (9) respectively, the chucking subassembly comprises spacing frame (11) and locating hook (13), the both ends of spacing frame (11) are inserted and are established in U shaped frame (9), and just spacing frame (11) are in the same place through bolt fixed connection with U shaped frame (9), the top of spacing frame (11) is provided with a piece (12), it has locating hook (13) to run through in piece (12), the tip cover of locating hook (13) is equipped with locating plate (14) to it has assorted nut (15) to twist on locating hook (13) of locating plate (14) outside.

6. The anti-tipping device for the portal frame of the semi-portal crane according to claim 5, wherein: the positioning hooks (13) are distributed in an L shape, and the positioning hooks (13) are fixedly connected with the support blocks (12) through bolts.

7. The anti-tipping device for the portal frame of the semi-portal crane according to claim 2, wherein: the rectangular through hole (4) is located on the front side of the first support column (3), and the balancing weight (10) is located on the front side of the displacement frame (5).

8. The anti-tipping device for the portal frame of the semi-portal crane according to claim 1, wherein: the first support column (3) and the second support column (6) are consistent in length.