CN209835439U - Anti-falling crane beam - Google Patents
Anti-falling crane beam Download PDFInfo
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- CN209835439U CN209835439U CN201920454399.9U CN201920454399U CN209835439U CN 209835439 U CN209835439 U CN 209835439U CN 201920454399 U CN201920454399 U CN 201920454399U CN 209835439 U CN209835439 U CN 209835439U
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Abstract
The utility model relates to a jack-up driving crossbeam of preventing falling, including stand, track roof beam, track, driven cart and initiative cart, driven cart passes through the crossbeam with the initiative cart and connects, is equipped with respectively at the both ends of crossbeam and leans on the rank, and two lean on the rank to take respectively on driven cart and initiative cart, and driven cart and initiative cart are all spacing through setting up at every pre-fixing device and the secondary fixing device who leans on rank department. The crossbeam after the structure improvement all adopts the connection form that overlap joint, pre-fixing and secondary are fixed three kinds of modes and combine with driven cart, initiative cart, has avoided the emergence of incident.
Description
Technical Field
The utility model relates to a hoisting equipment technical field especially relates to a jack-up driving crossbeam of preventing falling.
Background
The bridge crane is one of crane cranes commonly used at present, and is hoisting equipment which is transversely arranged above workshops, warehouses and stockyards for hoisting materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge.
The structure of the existing bridge crane is shown in figure 1 of the attached drawing of the specification, and mainly comprises two track beams which are respectively connected with the ground through an upright post, each track beam is provided with a track, one track is provided with a driven cart, the other track is provided with a driving cart, the driving cart is provided with a power device, a cross beam is connected between the driven cart and the driving cart, one end of the cross beam is connected with the driven cart through a bolt after being in butt joint, the other end of the cross beam is connected with the driving cart through a bolt after being in butt joint, a movable trolley is arranged on the cross beam, and the movable trolley can move along the width direction of a workshop. The driving cart is driven by the power device to travel along the length direction of the track beam, and then the cross beam travels along the length direction of the track beam.
In the structure, the connection mode of the cross beam with the driven cart and the driving cart has the following technical defects: the crossbeam and driven cart and crossbeam and initiative cart are only through connecting bolted connection on the face, do not have other connection forms, and the shearing force that the bolt received is too big, causes bolt deformation, fracture easily, causes the incident.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a jack-up driving crossbeam of preventing falling, crossbeam after the institutional advancement all adopts the overlap joint, fixes in advance and the connected form that the fixed three kinds of modes of secondary combine with driven cart, initiative cart, has avoided the emergence of incident.
The utility model discloses a following technical scheme realizes, provides a jack-up driving crossbeam of preventing falling, including stand, track roof beam, track, driven cart and initiative cart, driven cart passes through the crossbeam with the initiative cart and connects, is equipped with respectively at the both ends of crossbeam and leans on the rank, and two lean on the rank to take respectively on driven cart and initiative cart, and driven cart and initiative cart are all spacing through setting up at every pre-fixing device and the secondary fixing device who leans on rank department.
Preferably, the pre-fixing device comprises an installation plate fixedly connected with the cross beam and a screw rod in threaded connection with the installation plate, one end of the screw rod is fixedly connected with a hand wheel, the other end of the screw rod is fixedly connected with a pressing plate, and the installation plate is located between the hand wheel and the pressing plate.
Preferably, the secondary fixing device comprises a side connecting bolt and a top connecting bolt, the side connecting bolt comprises a side connecting bolt I and a side connecting bolt II, and the top connecting bolt comprises a top connecting bolt I and a top connecting bolt II.
Preferably, the side bolt I is connected with the side surface of the step and the driven cart, and the side bolt II is connected with the side surface of the step and the driving cart.
Preferably, the top connecting bolt I is connected with the top surface of the leaning step and the driven cart, and the top connecting bolt II is connected with the top surface of the leaning step and the driving cart.
The utility model has the advantages that:
1. the crossbeam after the structure improvement all adopts the connection form that overlap joint, pre-fixing and secondary are fixed three kinds of modes and combine with driven cart, initiative cart, has avoided the emergence of incident.
2. The lap joint mode can make the driven cart and the driving cart directly bear the weight of the cross beam, and not only the bolt bears the weight.
3. The beam can be pre-connected with the driven cart and the driving cart in a pre-fixing mode, so that the connection firmness can be increased, and secondary fixing can be conveniently implemented; the secondary fixation realizes that the beam is further connected with the driven cart and the driving cart.
Drawings
FIG. 1 is a schematic view of a conventional cross beam and the connection relationship between the cross beam and a driven cart and a driving cart;
FIG. 2 is a schematic view of the connection relationship between the cross beam and the driven cart and the driving cart;
shown in the figure:
1. stand, 2, track roof beam, 3, track, 4, driven cart, 5, initiative cart, 6, top connection bolt II, 7, side connection bolt II, 8, crossbeam, 9, lean on the rank, 10, mounting panel, 11, clamp plate, 12, screw rod, 13, hand wheel, 14, top connection bolt I, 15, side connection bolt I.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 2, the utility model discloses a stand 1, track roof beam 2, track 3, driven cart 4 and initiative cart 5 pass through crossbeam 8 and connect. The structures and corresponding connection relations of the upright column 1, the track beam 2, the driven cart 4 and the driving cart 5 are the prior art, and therefore the structures and corresponding connection relations are not described again.
The two ends of the cross beam 8 are respectively provided with a leaning step 9, the two leaning steps 9 are respectively lapped on the driven cart 4 and the driving cart 5, and the driven cart 4 and the driving cart 5 are limited by a pre-fixing device and a secondary fixing device which are arranged at each leaning step 9.
The pre-fixing device comprises a mounting plate 10 fixedly connected with the cross beam 8 and a screw rod 12 in threaded connection with the mounting plate 10, one end of the screw rod 12 is fixedly connected with a hand wheel 13, the other end of the screw rod is fixedly connected with a pressing plate 11, and the mounting plate 10 is positioned between the hand wheel 13 and the pressing plate 11. The hand wheel 13 is rotated by hands to realize the screwing in and screwing out of the screw 12, the screw 12 screws in the pressing plate 11 to be close to the driven cart 4 and the driving cart 5, and the screw 12 screws out of the pressing plate 11 to be far away from the driven cart 4 and the driving cart 5. Utilize the clamp plate 11 to press from both sides tightly driven cart 4 and initiative cart 5 in leaning on rank 9 department through rotating hand wheel 13, realize the pre-fixing to driven cart 4 and initiative cart 5, adopt the fastness that can increase the connection on the one hand of pre-fixing, on the other hand can be convenient for implement the secondary and fix.
Secondary fixing device includes side joint bolt and top joint bolt, and the side joint bolt includes side joint bolt I15 and side joint bolt II 7, and the top joint bolt includes top joint bolt I14 and top joint bolt II 6. A side-connected bolt I15 is connected with the side surface of the leaning step 9 and the driven cart 4, and a side-connected bolt II 7 is connected with the side surface of the leaning step 9 and the driving cart 5. The top connecting bolt I14 is connected with the top surface of the leaning step 9 and the driven cart 4, and the top connecting bolt II 6 is connected with the top surface of the leaning step 9 and the driving cart 5.
During specific installation, the cross beam 8 is lifted, the leaning steps 9 at two ends of the cross beam 8 are respectively put on the driven cart 4 and the driving cart 5, the driven cart 4 and the driving cart 5 are pre-fixed through the pre-fixing device, and then the driven cart 4 and the driving cart 5 are secondarily fixed through the side connecting bolts and the top connecting bolts.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a jack-up driving crossbeam of preventing falling, includes stand (1), track roof beam (2), track (3), driven cart (4) and initiative cart (5), and driven cart (4) and initiative cart (5) are connected its characterized in that through crossbeam (8): the two ends of the cross beam (8) are respectively provided with a leaning step (9), the two leaning steps (9) are respectively lapped on the driven cart (4) and the driving cart (5), and the driven cart (4) and the driving cart (5) are limited by a pre-fixing device and a secondary fixing device which are arranged at each leaning step (9).
2. A fall arrest lifting crane beam as claimed in claim 1, wherein: the pre-fixing device comprises a mounting plate (10) fixedly connected with the cross beam (8) and a screw rod (12) in threaded connection with the mounting plate (10), one end of the screw rod (12) is fixedly connected with a hand wheel (13), the other end of the screw rod is fixedly connected with a pressing plate (11), and the mounting plate (10) is located between the hand wheel (13) and the pressing plate (11).
3. A fall arrest lifting crane beam as claimed in claim 1, wherein: secondary fixing device includes side joint bolt and top joint bolt, and the side joint bolt includes side joint bolt I (15) and side joint bolt II (7), and the top joint bolt includes top joint bolt I (14) and top joint bolt II (6).
4. A fall arrest lifting crane beam as claimed in claim 3, wherein: a side-connected bolt I (15) is connected with the side surface of the leaning step (9) and the driven cart (4), and a side-connected bolt II (7) is connected with the side surface of the leaning step (9) and the driving cart (5).
5. A fall arrest lifting crane beam as claimed in claim 4, wherein: the top connecting bolt I (14) is connected with the top surface of the leaning step (9) and the driven cart (4), and the top connecting bolt II (6) is connected with the top surface of the leaning step (9) and the driving cart (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454399.9U CN209835439U (en) | 2019-04-04 | 2019-04-04 | Anti-falling crane beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920454399.9U CN209835439U (en) | 2019-04-04 | 2019-04-04 | Anti-falling crane beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209835439U true CN209835439U (en) | 2019-12-24 |
Family
ID=68910053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920454399.9U Active CN209835439U (en) | 2019-04-04 | 2019-04-04 | Anti-falling crane beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209835439U (en) |
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2019
- 2019-04-04 CN CN201920454399.9U patent/CN209835439U/en active Active
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