CN211897854U - Special lifting beam device for prefabricated track groove beam - Google Patents
Special lifting beam device for prefabricated track groove beam Download PDFInfo
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- CN211897854U CN211897854U CN201921699528.7U CN201921699528U CN211897854U CN 211897854 U CN211897854 U CN 211897854U CN 201921699528 U CN201921699528 U CN 201921699528U CN 211897854 U CN211897854 U CN 211897854U
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Abstract
The invention relates to a special lifting beam device for a prefabricated track channel beam and a using method thereof, wherein the special lifting beam device comprises a main support, an auxiliary support and a suspension support, wherein the two ends of the main support are respectively provided with the auxiliary support in telescopic fit, and the main support and the auxiliary support are fixed in a pin shaft shape; one end of the auxiliary support, which extends out of the main support, is a suspension end, a suspension seat and a crane hanger are fixedly arranged above the suspension end, a suspension support is arranged below the suspension end, and two ends of the suspension seat and two ends of the suspension support are locked and fixed through a screw and a nut and are clamped on the auxiliary support; waist-shaped adjusting holes for connecting the split screws are formed in the two ends of the suspension bracket. When the device is used, a sling of a crane and a crane hanging frame are locked and fixed, after the device is hung, the telescopic lengths of the main support and the auxiliary support are adjusted, waist-shaped adjusting holes at two ends of the hanging support are opposite to connecting holes at two ends of the prefabricated track beam, and the waist-shaped adjusting holes and the connecting holes are locked and fixed through the counter-pulling screw rods and the locking nuts, so that the hoisting operation can be realized, the device is reliable and safe, and the prefabricated track beam is effectively protected.
Description
Technical Field
The utility model relates to a bridge hoist and mount construction machinery especially relates to a special handle device of prefabricated track groove type roof beam of municipal works bridge hoist and mount.
Background
In municipal works bridge erection construction, hoisting construction of prefabricated parts is often involved, and the hoisting construction needs to be realized by means of corresponding hoisting equipment. Some of the concrete prefabricated parts with larger sizes or heavier weights, such as the prefabricated track beam, are twenty tons in weight and hundreds of tons in weight, and the common transportation type crane cannot bear the heavy load, so that a gantry type heavy-duty frame machine, such as a bridge erecting machine, is mostly adopted. However, in actual construction, if the bridge girder erection machine is directly used for suspension operation of two ends of the track girder, the prefabricated track girder is of a U-shaped hollow structure, the horizontal rotation rigidity of the prefabricated track girder is not high, and when the bridge girder erection machine is directly used for suspension, the rigidity of the prefabricated girder is often easily damaged, so that potential safety hazards exist in the construction of the prefabricated girder and the quality of a bridge after construction is influenced. Therefore, the prefabricated track beam needs to be reinforced when horizontally rotating to ensure the construction stability, so a device for reinforcing the prefabricated track beam when suspended needs to be designed to ensure the reliable construction of the prefabricated track beam.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a special handle device for a prefabricated track groove beam in the field, which is easy to damage the technical problem of the rigidity of the prefabricated beam when the horizontal rotation is carried out in the operation of the prior prefabricated track beam handle. The purpose is realized by the following technical scheme.
A special lifting beam device for a prefabricated track groove beam is structurally characterized by comprising a main support, an auxiliary support and a suspension support, wherein the main support is in a straight-through tubular shape, the two ends of the main support are respectively provided with the auxiliary support in telescopic fit, two symmetrical side surfaces of the auxiliary support are respectively provided with at least one pair of pin holes for penetrating pin shafts along the telescopic linear direction, two ends of the main support are respectively provided with port reinforcing plates arranged in pairs at intervals, pin positioning holes for penetrating pin shafts are respectively arranged between the two symmetrical side surfaces of the main support and the paired port reinforcing plates, the auxiliary support and the main support are aligned through the pin holes and the pin positioning holes, and the penetrating pin shafts between the auxiliary support and the main support are relatively fixed; one end of the auxiliary support, which extends out of the main support, is a suspension end, a suspension seat and a crane hanger are fixedly arranged above the auxiliary support and close to the suspension end, the suspension support is arranged below the suspension end of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are respectively arranged in a protruding manner relative to two symmetrical side surfaces of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are respectively locked and fixed through a screw and a nut, and the suspension seat and the suspension support are clamped and fixed on the auxiliary support during locking; waist-shaped adjusting holes for connecting the split screws are formed in the two ends of the suspension bracket. Through above-mentioned structure, utilize the flexible regulation of main support and auxiliary stand to the handle operation of the precast track roof beam of adaptation different length, and suspend the support design in midair and be waist type regulation hole, the precast track roof beam of convenient and different hole sites is connected, and suspends the support in midair and also to change or maintain as required, in order to be applicable to required precast track roof beam handle operation.
And pin pipes for sleeving the pin shafts are welded between the pin holes which are aligned with the two symmetrical side surfaces of the auxiliary support. Through this structure, can not only improve the overall structure intensity of auxiliary stand, also can improve reliability and stability through the round pin axle location between auxiliary stand and the main support.
The pin hole and the pin positioning hole are welded with hole stiffened plates, the top edges and the bottom edges of the two symmetrical side surfaces of the auxiliary support are respectively provided with a stiffened edge which is vertically raised relative to the side surface, and the height dimension of the stiffened edge which is raised relative to the side surface of the auxiliary support is consistent with the thickness dimension of the hole stiffened plate. Through this structure, when improving auxiliary stand, pinhole, round pin locating hole intensity, guarantee the compactness of auxiliary stand and the flexible complex of main support, prevent to appear becoming flexible the problem of rocking because of the clearance is too big between main support and the auxiliary stand.
The outer side surfaces of the main brackets are provided with side reinforcing plates which are vertical relative to the outer side surfaces, reinforcing pipes are connected among the side reinforcing plates in a penetrating and welding mode, and two ends of each reinforcing pipe are fixedly welded with the port reinforcing plates at two ends of each main bracket. Through this structure, guarantee the holistic rigidity and the intensity of main support to reliability when guaranteeing the handle.
The suspension bracket comprises an intermediate frame and main suspensions positioned at two ends of the intermediate frame, the two ends of the intermediate frame are in telescopic fit with the main suspensions, the intermediate frame is provided with inner inserting pin holes at intervals along the telescopic linear direction, the main suspensions are provided with outer inserting pin holes, the main suspensions are aligned with the outer inserting pin holes through the inner inserting pin holes, and the main suspensions and the telescopic frame are connected through bolts to form relative fixation; the main suspension is provided with an adjusting sliding hole for penetrating through the screw rod, and the sliding direction of the screw rod relative to the adjusting sliding hole is consistent with the telescopic direction of the main suspension relative to the middle frame; the upper end of the screw rod is connected with the rear locking connecting nut of the suspension seat in a penetrating manner, and the lower end of the screw rod is connected with the rear locking connecting nut of the adjusting sliding hole in a penetrating manner. Through this structure, make the support that suspends in midair flexible adjustable to the suitability is stronger.
The utility model has the advantages of length and width are easily adjusted, and are better with prefabricated track roof beam suitability, can effectively consolidate the rigidity intensity when prefabricated track roof beam horizontal direction rotates during the handle to the rigidity of prefabricated track roof beam is difficult to destroy, guarantees that prefabricated track roof beam suspends reliability and stability of construction in midair, is fit for using as the handle device of heavy type roof beam such as prefabricated track roof beam, or the institutional advancement of the device of the same kind.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a schematic view of the suspension end structure of the auxiliary bracket of the present invention.
Fig. 3 is a partially enlarged structural solid view of the main support of the present invention.
Fig. 4 is a schematic view of the improved structure of the suspension bracket of the present invention.
Fig. 5 is a schematic view of a connection structure of the suspension bracket and the sub-bracket of fig. 4.
Fig. 6 is a schematic view of the structure of the lifting beam of the present invention.
The sequence numbers and names in the figure are: 1. the device comprises a main bracket, 101, a telescopic hole, 102, a port stiffened plate, 103, a pin positioning hole, 104, a side stiffened plate, 105, a stiffened pipe, 2, a secondary bracket, 201, a crane hanger, 202, a pin hole, 203, a stiffened edge, 3, a suspension seat, 4, a suspension bracket, 401, a waist-shaped adjusting hole, 402, a main suspension, 4021, an adjusting slide hole, 403, a middle bracket, 4031, an inner inserting pin hole, 404, an adjusting slide hole, 5, a screw rod, 6, a nut, 7, a bolt, 8, a pin shaft, 9, a split screw rod, 10, a locking nut, 11 and a prefabricated track beam.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1-3, the special lifting beam device for the precast track trough beam comprises a main support 1, an auxiliary support 2, a suspension seat 3 and a suspension support 4, wherein the main support is in a straight-through tubular shape, an inner hole is a square telescopic hole 101, the two ends of the main support are respectively provided with the auxiliary support in telescopic fit, the auxiliary support is a square tube, top edges and bottom edges of two symmetrical side surfaces of the auxiliary support are respectively provided with a reinforced edge 203 which is vertically raised relative to the side surface, two symmetrical side surfaces of the auxiliary support are respectively provided with a row of pin holes 202 which are distributed at intervals along the telescopic straight line direction, pin tubes for sleeving pin shafts 8 are welded between pin holes which are aligned with the two symmetrical side surfaces of the auxiliary support, and hole reinforced plates with the same hole. The height dimension of the reinforced edge relative to the side surface protrusion of the auxiliary bracket is consistent with the thickness dimension of the hole reinforced plate.
Both ends of the main support 1 are provided with paired port stiffened plates 102 arranged at intervals, pin positioning holes 103 for cross-connecting pin shafts 8 are arranged between the paired port stiffened plates on the two symmetrical side surfaces of the main support, and hole stiffened plates with the same aperture as the pin positioning holes are welded on the outer side surfaces of the pin positioning holes. Two symmetrical side surfaces of the main bracket are respectively provided with a side reinforcing plate 104 which is vertical relative to the outer side surface, a ribbed pipe 105 is connected between the side reinforcing plates in a penetrating and welding way, and two ends of the ribbed pipe are welded and fixed with port reinforcing plates at two ends of the main bracket. The auxiliary support and the main support are aligned through the pin hole 202 and the pin positioning hole, the pin shaft penetrates between the auxiliary support and the main support to be relatively fixed, and two ends of the pin shaft are locked and limited through limiting locking.
One end of the auxiliary support 2 extending out of the main support 1 is a suspension end, a suspension seat 3 and a crane hanger 201 are fixedly welded at the upper part of the auxiliary support close to the suspension end, a suspension support 4 is arranged below the suspension end of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are arranged in a protruding mode relative to two symmetrical sides of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are locked and fixed through a screw rod 5 and a nut 6 respectively, and when the suspension seat and the suspension support are locked, the suspension seat and the suspension support are clamped and fixed on the auxiliary support. Waist-shaped adjusting holes 401 for connecting the counter-pulling screw rods 9 are formed in the two ends of the suspension bracket.
As shown in fig. 4 and 5, the suspension bracket 4 may also be designed as a telescopic adjustable structure, specifically: the suspension bracket comprises a middle frame 403 and main suspensions 402 arranged at two ends of the middle frame, wherein the two ends of the middle frame are in telescopic fit with the main suspensions, the middle frame is provided with inner inserting pin holes 4031 at intervals along the telescopic linear direction, the main suspensions are provided with outer inserting pin holes, the main suspensions and the expansion frame are aligned through the inner inserting pin holes and the outer inserting pin holes, a connecting bolt 7 is connected between the main suspensions and the expansion frame to form relative fixation, and the two ends of the connecting bolt are provided with limit pins to form locking limit. The main suspension is provided with an adjusting slide hole 4021 for penetrating a screw rod 5, and the sliding direction of the screw rod relative to the adjusting slide hole is consistent with the extending and retracting direction of the main suspension relative to the middle frame. The upper end of the screw rod is connected with the rear locking connecting nut 6 of the suspension seat in a penetrating way, and the lower end of the screw rod is connected with the rear locking connecting nut of the adjusting sliding hole in a penetrating way.
The concrete use method of the special girder lifting device for the prefabricated track channel beam comprises the following steps: the precast track beam 11 correspondingly hoisted by the beam lifting device is a groove-shaped beam with two through ends, and the two ends are provided with connecting holes corresponding to waist-shaped adjusting holes 401 at the two ends of the suspension bracket. When the lifting beam device is used, a sling of a crane is locked and fixed with the crane hanging frame 201 on the auxiliary supports 2 at two ends of the main support 1; then, hoisting the lifting beam device by using a crane, adjusting the telescopic lengths of the main support and the auxiliary support after hoisting to enable the length of the lifting beam device to be matched with the length of the prefabricated track beam to be hoisted, enabling the waist-shaped adjusting holes at the two ends of the suspension support to be opposite to the connecting holes at the two ends of the prefabricated track beam, and locking and fixing the waist-shaped adjusting holes and the connecting holes through a counter-pulling screw rod 9 and a locking nut 10; after locking and fixing, the crane can be opened, and the prefabricated track beam is directly hoisted to the position to be installed; after the hoisting is finished, the opposite-pulling screw rod and the locking nut are removed, and then the lifting beam device can be removed, so that one-time hoisting operation is finished.
Claims (5)
1. A special lifting beam device for a prefabricated track groove beam is characterized by comprising a main support (1), an auxiliary support (2) and a suspension support (4), wherein the main support is in a straight-through tubular shape, the auxiliary support is in telescopic fit with the two ends of the main support, at least one pair of pin holes (202) for penetrating and connecting pin shafts (8) are formed in the two symmetrical side surfaces of the auxiliary support along the telescopic linear direction, port reinforcing plates (102) arranged in pairs at intervals are arranged at the two ends of the main support, pin positioning holes (103) for penetrating and connecting the pin shafts are formed in the two symmetrical side surfaces of the main support between the paired port reinforcing plates, the auxiliary support and the main support are aligned through the pin holes and the pin positioning holes, and the penetrating and connecting pin shafts between the auxiliary support and the main support are relatively fixed; one end of the auxiliary support, which extends out of the main support, is a suspension end, a suspension seat (3) and a crane hanger (201) are fixedly arranged above the auxiliary support and close to the suspension end, the suspension support is arranged below the suspension end of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are respectively arranged in a protruding manner relative to two symmetrical side surfaces of the auxiliary support, two ends of the suspension seat and two ends of the suspension support are respectively locked and fixed through a screw (5) and a nut (6), and the suspension seat and the suspension support are clamped and fixed on the auxiliary support during locking; waist-shaped adjusting holes used for connecting the split screws (9) are formed in the two ends of the suspension bracket.
2. The special girder apparatus of precast track channel beam as claimed in claim 1, wherein pin pipes for sleeving the pin shafts (8) are welded between the pin holes (202) aligned with each other at the symmetrical two side surfaces of the sub-bracket (2).
3. The special girder lifting device for the precast track channel beam according to claim 1 is characterized in that hole reinforcing plates are welded at the hole ends of the pin holes (202) and the pin positioning holes (103), reinforced edges (203) which are vertically protruded relative to the side surfaces are arranged at the top edges and the bottom edges of the two symmetrical side surfaces of the auxiliary support (2), and the height dimension of the reinforced edges which are protruded relative to the side surfaces of the auxiliary support is consistent with the thickness dimension of the hole reinforced plate.
4. The special girder lifting device for the precast track channel beam according to claim 1 is characterized in that lateral stiffened plates (104) which are vertical to the lateral surface are arranged on the lateral surface of the main support (1), a ribbed pipe (105) is connected between the lateral stiffened plates in a penetrating and welding mode, and two ends of the ribbed pipe are welded and fixed with port stiffened plates (102) at two ends of the main support.
5. The special girder apparatus of the precast track channel beam as claimed in claim 1, wherein the suspension bracket (4) comprises an intermediate bracket (403) and main suspensions (402) at both ends of the intermediate bracket, both ends of the intermediate bracket are telescopically engaged with the main suspensions, and the intermediate bracket is provided with inner pin holes (4031) at intervals along a telescopic straight line, the main suspensions are provided with outer pin holes, the main suspensions and the telescopic bracket are aligned through the inner pin holes and the outer pin holes, and the connecting pins (7) between the main suspensions and the telescopic bracket are relatively fixed; the main suspension is provided with an adjusting sliding hole (4021) for penetrating and connecting the screw rod (5), and the sliding direction of the screw rod relative to the adjusting sliding hole is consistent with the extending and retracting direction of the main suspension relative to the middle frame; the upper end of the screw rod is connected with the rear locking connecting nut (6) of the suspension seat in a penetrating manner, and the lower end of the screw rod is connected with the rear locking connecting nut of the adjusting sliding hole in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699528.7U CN211897854U (en) | 2019-10-11 | 2019-10-11 | Special lifting beam device for prefabricated track groove beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699528.7U CN211897854U (en) | 2019-10-11 | 2019-10-11 | Special lifting beam device for prefabricated track groove beam |
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| Publication Number | Publication Date |
|---|---|
| CN211897854U true CN211897854U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921699528.7U Active CN211897854U (en) | 2019-10-11 | 2019-10-11 | Special lifting beam device for prefabricated track groove beam |
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| CN (1) | CN211897854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581358A (en) * | 2021-09-01 | 2021-11-02 | 北京舆微科技有限公司 | Star wheel accelerating device and star wheel vehicle |
-
2019
- 2019-10-11 CN CN201921699528.7U patent/CN211897854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581358A (en) * | 2021-09-01 | 2021-11-02 | 北京舆微科技有限公司 | Star wheel accelerating device and star wheel vehicle |
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