CN214828390U - Polyurethane sleeper hoisting accessory - Google Patents
Polyurethane sleeper hoisting accessory Download PDFInfo
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- CN214828390U CN214828390U CN202120707226.0U CN202120707226U CN214828390U CN 214828390 U CN214828390 U CN 214828390U CN 202120707226 U CN202120707226 U CN 202120707226U CN 214828390 U CN214828390 U CN 214828390U
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- folding
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- rack
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Abstract
The utility model discloses a polyurethane sleeper hoisting accessory, this polyurethane sleeper hoisting accessory includes: the lifting frame and the grabbing mechanisms are symmetrically arranged at two ends of the lifting frame; wherein, snatch the mechanism and include: the foldable rack comprises two telescopic folding racks which are symmetrically arranged front and back, wherein each telescopic folding rack comprises a quadrilateral rack which can be freely folded, each quadrilateral rack is of a bilateral symmetry structure, two edges of the bottom of each quadrilateral rack extend outwards to form clamping pieces, two clamping plates are respectively and fixedly connected to the inner sides of the clamping pieces on the left side and the right side, and the inner sides of the bottoms of the two clamping plates are provided with bends; every snatchs and connects through the loose axle between the corresponding articulated position of a plurality of flexible folding legs on the mechanism, and the loose axle can be for flexible folding leg rotation, and the cover is equipped with at least one connecting piece on the loose axle that is located the top, can dismantle between connecting piece and the gallows to be connected. The polyurethane sleeper hoisting device can effectively and stably hoist the polyurethane sleeper by applying the tightened clamping force to the hoisted object by utilizing the self weight of the hoisted object.
Description
Technical Field
The utility model relates to a hoist specifically relates to a polyurethane sleeper hoisting accessory.
Background
The existing polyurethane prefabricated sleeper is formed by solidifying polyurethane in a special mould and is integrated with the existing sleeper, and the existing sleeper cannot be hoisted by using a sleeper embedded part conventionally during hoisting, so that the polyurethane prefabricated block is stripped from a sleeper bonding surface or even falls off due to the dead weight problem of the polyurethane prefabricated block, and the service performance of the polyurethane prefabricated sleeper during field use is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polyurethane sleeper hoisting accessory, this polyurethane sleeper hoisting accessory utilize by the dead weight of hanging the thing to exert the clamping-force who tightens up by hanging the thing, can effectually stably lift by crane to the polyurethane sleeper.
In order to achieve the above object, the utility model provides a polyurethane sleeper hoisting accessory, this polyurethane sleeper hoisting accessory includes: the grabbing mechanism comprises a hanging bracket and grabbing mechanisms symmetrically arranged at two ends of the hanging bracket; wherein, snatch the mechanism and include: the foldable rack comprises two telescopic folding racks which are symmetrically arranged front and back, wherein each telescopic folding rack comprises a quadrilateral rack which can be freely folded, each quadrilateral rack is of a bilateral symmetry structure, two edges of the bottom of each quadrilateral rack extend outwards to form clamping pieces, two clamping plates are respectively and fixedly connected to the inner sides of the clamping pieces on the left side and the right side, and the inner sides of the bottoms of the two clamping plates are bent; every it is a plurality of on the mechanism to snatch connect through the loose axle between the corresponding articulated position of flexible folding leg, the loose axle can for flexible folding leg rotation is located the top the cover is equipped with at least one connecting piece on the loose axle, the connecting piece with can dismantle the connection between the gallows.
Preferably, the polyurethane sleeper lifting apparatus further comprises: open angle location limiting device, open angle location limiting device includes the spacer, one of them that is located the middle part is located to the rotatable cover of one end of spacer on the loose axle, the side of the other end is formed with the bayonet socket, the bayonet socket can correspond the block and be in another that is located the middle part on the loose axle.
Preferably, the upper end of the clamping piece is a bending section, the lower end of the clamping piece is a straight line section, the lower end of the bending section is bent towards one side of the clamping area, and the clamping plate is fixedly connected to the straight line section.
Preferably, the quadrangular frame includes: the folding device comprises a first folding sheet and a second folding sheet which are arranged in a bilateral symmetry manner, and a third folding sheet and a fourth folding sheet which are arranged in a bilateral symmetry manner; the upper end of the first folding piece is hinged to the upper end of the second folding piece, the bottom of the third folding piece is hinged to the bottom of the fourth folding piece, the upper end of the third folding piece is hinged to the lower end of the first folding piece, and the upper end of the fourth folding piece is hinged to the lower end of the second folding piece.
Preferably, shaft levers are formed at two ends of the movable shaft, external threads are formed at the end parts of the shaft levers, and connecting holes corresponding to the shaft levers are formed at two ends of the first folding sheet, the second folding sheet, the third folding sheet and the fourth folding sheet; the shaft rod can penetrate through the connecting hole, and the shaft rod penetrates through the connecting hole and then is limited on the shaft rod through a nut matched with the external thread in a threaded mode.
Preferably, the connecting piece is established including the cover the installation piece on the loose axle and with the mounting panel of the perpendicular rigid coupling of installation piece, be provided with the mounting hole on the mounting panel.
Preferably, the hanger comprises: the lifting device comprises a cross beam and at least two lifting lugs arranged on the cross beam.
According to the technical scheme, the utility model provides a polyurethane sleeper hoisting accessory utilizes the dead weight of being hung the thing to being hung the thing and applys the clamping-force that tightens up, can effectually stabilize to the polyurethane sleeper and lift by crane, can avoid polyurethane prefabricated section and sleeper adhesive surface to peel off, has improved the performance of the prefabricated sleeper of polyurethane when the field usage.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of a preferred embodiment of a polyurethane sleeper lifting apparatus in its operating condition;
FIG. 2 is a schematic view of the overall construction of a preferred embodiment of the grasping mechanism;
FIG. 3 is a side view of FIG. 2;
figure 4 is a front view of a preferred embodiment of a polyurethane tie lifting device.
Description of the reference numerals
1 crossbeam 2 lug
3 snatch 4 grip blocks of mechanism
5 bending 301 movable shaft
302 connector 303 first folding sheet
304 second folded sheet 305 shank
306 nut 307 third fold
308 curved segment 309 splines
310 bayonet 311 fourth folding sheet
312 straight line segment
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1-3, a polyurethane tie lifting device, comprising: the lifting frame and the grabbing mechanisms 3 are symmetrically arranged at two ends of the lifting frame; wherein the grasping mechanism 3 includes: the foldable rack comprises two telescopic folding racks which are symmetrically arranged front and back, wherein each telescopic folding rack comprises a quadrilateral rack which can be freely folded, each quadrilateral rack is of a bilateral symmetry structure, two edges of the bottom of each quadrilateral rack extend outwards to form clamping pieces, two clamping plates 4 are fixedly connected to the inner sides of the clamping pieces on the left side and the right side respectively, and the inner sides of the bottoms of the two clamping plates 4 are provided with bends 5; every it is a plurality of on the mechanism 3 to snatch connect through loose axle 301 between the corresponding articulated position of flexible folding leg, loose axle 301 can for flexible folding leg rotation is located the top the cover is equipped with at least one connecting piece 302 on the loose axle 301, connecting piece 302 with can dismantle the connection between the gallows.
Through the implementation of the technical scheme, the polyurethane sleeper hoisting device utilizes the self weight of the hoisted object to apply tightening clamping force to the hoisted object, can effectively and stably hoist the polyurethane sleeper, can avoid stripping the polyurethane precast block from the sleeper bonding surface, and improves the service performance of the polyurethane precast sleeper in the field use. During the use, two snatch mechanism 3 both ends around the prefabricated sleeper of centre gripping polyurethane respectively, through open the holding piece of the left and right sides to make buckle 5 can catch on the bottom of the prefabricated sleeper of polyurethane, draw in the holding piece in, make grip block 4 can the centre gripping in the both sides of the prefabricated sleeper of polyurethane, after the gallows is hoisted up because the prefabricated sleeper of polyurethane self action of gravity is with the quadrilateral frame drop-down, the holding piece also begins to draw in this moment, the side of the prefabricated sleeper of orientation polyurethane of grip block 4 under the effect of holding piece compresses tightly, realize stabilizing the centre gripping.
In this embodiment, in order to lock the quadrilateral frame and maintain a certain opening degree when the quadrilateral frame is not used, and facilitate subsequent operation, it is preferable that the polyurethane sleeper hoisting device further comprises: the open angle positioning limiting device comprises a positioning piece 309, one end of the positioning piece 309 is rotatably sleeved on one of the movable shafts 301 located in the middle, a bayonet 310 is formed in the side face of the other end of the positioning piece 309, and the bayonet 310 can be correspondingly clamped on the other movable shaft 301 located in the middle. The specific operation method comprises the following steps: firstly, clamping a corresponding movable shaft 301 by an open angle positioning limiting device to form a clamping space between a left clamping sheet and a right clamping sheet, wherein the clamping space is equivalent to the external dimension of a polyurethane precast block; secondly, lifting the polyurethane sleeper lifting device by using a crane or a crown block and moving the polyurethane sleeper lifting device to a position corresponding to the polyurethane precast block, so that the polyurethane precast block is positioned in the clamping space; and finally, loosening the angle positioning limiting device, drawing the positions of the clamping pieces on the left side and the right side in a furling manner, so that the bending 5 can hook the bottom of the polyurethane precast block, lifting the crane or the crown block, carrying the polyurethane precast block to a laying position, loosening the lifting force of the crane or the crown block after the polyurethane precast block is in place, clamping the angle positioning limiting device on the corresponding movable shaft 301, and slowly lifting the polyurethane sleeper hoisting device by using the crane or the crown block. Certainly, the bayonet 310 may be disposed on the upper side or the lower side of the positioning plate 309, and may be engaged with the corresponding movable shaft 301, in order to achieve fastening performance of the engagement, the aperture of the opening position of the bayonet 310 may be smaller than the diameter of the movable shaft 301 by 1-3mm, and a soft engagement rubber sleeve may be sleeved on the position of the corresponding movable shaft 301 where the engagement is performed, so as to facilitate the engagement.
In this embodiment, since the polyurethane prefabricated section has a trapezoidal shape, in order to enable the clamping plate 4 to better clamp the side surface of the polyurethane prefabricated section, it is preferable that the upper end of the clamping piece is a bent section 308, the lower end of the clamping piece is a straight section 312, the lower end of the bent section 308 is bent toward the clamping area, and the clamping plate 4 is fixed to the straight section 312. The clamping piece is basically parallel to the side face of the polyurethane precast block when clamping the polyurethane precast block through the arrangement of the scheme, the clamping face is larger, and the clamping effect is better.
In this embodiment, in order to further provide a structure of a quadrangular frame, preferably, the quadrangular frame includes: a first folding sheet 303 and a second folding sheet 304 which are arranged in bilateral symmetry, and a third folding sheet 307 and a fourth folding sheet 311 which are arranged in bilateral symmetry; the upper end of first folding piece 303 and second folding piece 304 is articulated, the bottom of third folding piece 307 and fourth folding piece 311 is articulated, the upper end of third folding piece 307 with the lower extreme of first folding piece 303 is articulated, the upper end of fourth folding piece 311 with the lower extreme of second folding piece 304 is articulated.
In this embodiment, in order to further provide a connection manner between the movable shaft 301 and the quadrangular frame, it is preferable that shaft rods 305 are formed at both ends of the movable shaft 301, external threads are formed at the ends of the shaft rods 305, and coupling holes corresponding to the shaft rods 305 are formed at both ends of the first folding piece 303, the second folding piece 304, the third folding piece 307, and the fourth folding piece 311; the shaft 305 can penetrate through the connecting hole, and the shaft 305 is screwed on the shaft 305 through a nut 306 matched with the external thread after penetrating through the connecting hole for limiting.
In this embodiment, in order to further provide a connecting member 302, preferably, the connecting member 302 includes a mounting plate sleeved on the movable shaft 301 and a mounting plate vertically fixed to the mounting plate, and the mounting plate is provided with a mounting hole. The screw penetrates through the mounting hole and is connected with the hanging bracket.
In this embodiment, to further provide a hanger, preferably, the hanger includes: the lifting device comprises a cross beam 1 and at least two lifting lugs 2 arranged on the cross beam 1. Of course, the lifting lug 2 and the cross beam 1 can be welded or connected by using a screw.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (7)
1. A polyurethane tie lifting device, comprising: the lifting frame and the grabbing mechanisms (3) are symmetrically arranged at two ends of the lifting frame; wherein the content of the first and second substances,
the gripping mechanism (3) comprises: the foldable rack comprises two telescopic folding racks which are symmetrically arranged front and back, wherein each telescopic folding rack comprises a quadrilateral rack which can be freely folded, each quadrilateral rack is of a bilateral symmetry structure, two edges of the bottom of each quadrilateral rack extend outwards to form clamping pieces, two clamping plates (4) are respectively and fixedly connected to the inner sides of the clamping pieces on the left side and the right side, and the inner sides of the bottoms of the two clamping plates (4) are provided with bends (5);
every it is a plurality of on mechanism (3) to snatch connect through loose axle (301) between the corresponding articulated position of flexible folding leg, loose axle (301) can for flexible folding leg rotation is located the top the cover is equipped with at least one connecting piece (302) on loose axle (301), connecting piece (302) with can dismantle the connection between the gallows.
2. The polyurethane tie lifting device of claim 1 further comprising: open angle location limiting device, open angle location limiting device includes spacer (309), one of them that is located the middle part is located to the rotatable cover of one end of spacer (309) on loose axle (301), the side of the other end is formed with bayonet socket (310), bayonet socket (310) can correspond the block and be in another that is located the middle part on loose axle (301).
3. Polyurethane sleeper hoisting apparatus as claimed in claim 1 or 2, characterized in that the upper end of the clamping piece is a curved section (308) and the lower end is a straight section (312), the lower end of the curved section (308) is curved towards the clamping area side, and the clamping plate (4) is fixed to the straight section (312).
4. Polyurethane sleeper hoisting apparatus as claimed in claim 1 or 2, characterized in that the quadrilateral frame comprises: a first folding sheet (303) and a second folding sheet (304) which are arranged in a left-right symmetry manner, and a third folding sheet (307) and a fourth folding sheet (311) which are arranged in a left-right symmetry manner;
the upper end of first folding piece (303) and second folding piece (304) is articulated, the bottom of third folding piece (307) and fourth folding piece (311) is articulated, the upper end of third folding piece (307) with the lower extreme of first folding piece (303) is articulated, the upper end of fourth folding piece (311) with the lower extreme of second folding piece (304) is articulated.
5. Polyurethane sleeper hoisting apparatus as claimed in claim 4, characterized in that both ends of said movable shaft (301) are formed with a shaft rod (305), the end of said shaft rod (305) being formed with an external thread;
two ends of the first folding sheet (303), the second folding sheet (304), the third folding sheet (307) and the fourth folding sheet (311) are respectively provided with a connecting hole corresponding to the shaft rod (305);
the shaft rod (305) can penetrate through the connecting hole, and the shaft rod (305) penetrates through the connecting hole and then is screwed on the shaft rod (305) for limiting through a nut (306) matched with the external thread.
6. The polyurethane sleeper hoisting apparatus according to claim 1 or 2, wherein the connecting member (302) comprises a mounting plate sleeved on the movable shaft (301) and a mounting plate vertically fixedly connected with the mounting plate, and the mounting plate is provided with a mounting hole.
7. Polyurethane sleeper hoisting apparatus as claimed in claim 1 or 2, characterized in that the hoisting frame comprises: the lifting device comprises a cross beam (1) and at least two lifting lugs (2) arranged on the cross beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707226.0U CN214828390U (en) | 2021-04-08 | 2021-04-08 | Polyurethane sleeper hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707226.0U CN214828390U (en) | 2021-04-08 | 2021-04-08 | Polyurethane sleeper hoisting accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214828390U true CN214828390U (en) | 2021-11-23 |
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ID=78762306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707226.0U Active CN214828390U (en) | 2021-04-08 | 2021-04-08 | Polyurethane sleeper hoisting accessory |
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| Country | Link |
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| CN (1) | CN214828390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833475A (en) * | 2023-09-01 | 2023-10-03 | 中铁城建集团第一工程有限公司 | Steel pipe intersecting line cutting device and control method thereof |
-
2021
- 2021-04-08 CN CN202120707226.0U patent/CN214828390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833475A (en) * | 2023-09-01 | 2023-10-03 | 中铁城建集团第一工程有限公司 | Steel pipe intersecting line cutting device and control method thereof |
| CN116833475B (en) * | 2023-09-01 | 2023-10-31 | 中铁城建集团第一工程有限公司 | Steel pipe intersecting line cutting device and control method thereof |
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