CN213896789U - Anti-roller device of main supporting leg of bridge girder erection machine - Google Patents
Anti-roller device of main supporting leg of bridge girder erection machine Download PDFInfo
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- CN213896789U CN213896789U CN202022543708.5U CN202022543708U CN213896789U CN 213896789 U CN213896789 U CN 213896789U CN 202022543708 U CN202022543708 U CN 202022543708U CN 213896789 U CN213896789 U CN 213896789U
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Abstract
The utility model discloses a bridge crane owner landing leg's anti-gyro wheel device, including the anti-gyro wheel mounting bracket, be fixed with main drive gear motor on the lateral wall of a curb plate of anti-gyro wheel mounting bracket, main drive gear motor's output shaft plug bush is fixed with anti-gyro wheel drive gear on main drive gear motor's the output shaft in a curb plate of anti-gyro wheel mounting bracket, and anti-gyro wheel drive gear's profile of tooth portion stretches out the inside wall of the curb plate that corresponds. It sets up the runner through upper portion, and the middle part sets up middle idler to set up single lower roller body respectively in anti-gyro wheel drive gear's both sides, the interval is little between two lower roller bodies, and the atress is even, and all obtain the support of below, and stability is good, simultaneously, the horizontal girder in bottom of girder is in down between second leading wheel and the first leading wheel, makes it can not take place the card problem of dying with the anti-gyro wheel mounting bracket when removing, guarantees its normal operating.
Description
The technical field is as follows:
the utility model relates to a road bridge equipment technical field, more specifically the anti-gyro wheel device that relates to a frame bridge crane main supporting leg that says so.
Background art:
in the existing bridge erecting machine, two rotating mechanism bases can be placed on a main supporting leg transverse main beam of a main supporting leg, a rotating connecting base can be installed on each rotating mechanism base, the connecting frame is generally directly and fixedly connected to the rotating connecting base, a pushing oil cylinder is arranged on the connecting frame, the main supporting leg is connected with the main beam through the pushing oil cylinder, the main beam can move forwards through the stretching of a push rod of the pushing oil cylinder, the over-span working condition of the bridge erecting machine is completed, however, the main supporting leg and the main beam move in a sliding friction mode during moving, and the friction force is large. When the span is large, in order to shorten the span time, the stroke of the pushing oil cylinder needs to be increased, so that the cost is increased; when the main beam is higher and the height of the main supporting leg is required to be higher, the bending moment of the supporting leg can be greatly increased due to the larger friction coefficient of the main beam and the main supporting leg, so that the anchoring force between the supporting leg and a beam plate or a capping beam is increased;
some anti-rolling wheel mechanisms are directly arranged on the rotary connecting seats, rolling wheels on the anti-rolling wheel mechanisms are arranged on the main beam and used for supporting the main beam, relative movement between the main beam and the main supporting legs can be realized through rotation of the rolling wheels, rolling friction is realized, friction force is greatly reduced, in the anti-rolling wheel mechanisms, a driving gear in the middle is generally driven by a driving motor to rotate, a plurality of horizontally arranged rolling wheels are arranged on anti-rolling wheel racks on two sides of the driving gear, the left and right lengths of the anti-rolling wheel racks are longer, the width of the connecting ends of the anti-rolling wheel racks and the rotary connecting seats is not large, and under the condition that the pressure on the rolling wheels at the left end and the right end of each anti-rolling wheel rack is the same as that on the rolling wheels in the middle, the supporting force at the bottom is insufficient, the anti-rolling wheel mechanisms are easy to damage and poor in stability;
meanwhile, when the transverse main beam at the bottom of the main beam is positioned on the rolling wheel to move, the transverse main beam can generate offset and can touch the inner side walls of the two side plates of the anti-rolling wheel mounting frame to be clamped, so that the movement of the supporting legs is influenced.
The utility model has the following contents:
the utility model aims at being not enough to prior art, and provide a bridge crane owner's landing leg's anti-gyro wheel device, it sets up through upper portion and goes up the runner, the middle part sets up middle idler, and set up single lower roller body respectively in anti-gyro wheel drive gear's both sides, the interval is little between two lower roller bodies, the atress is even, and all obtain the support of below, good stability, and simultaneously, the horizontal girder in bottom of girder is in down between second leading wheel and the first leading wheel, make it can not take place the card problem of dying with the anti-gyro wheel mounting bracket when removing, guarantee its normal operating.
The technical solution of the utility model is as follows:
the utility model provides a bridge crane owner landing leg's anti-gyro wheel device, including the anti-gyro wheel mounting bracket, be fixed with main drive gear motor on the lateral wall of a curb plate of anti-gyro wheel mounting bracket, main drive gear motor's output shaft plug bush is in a curb plate of anti-gyro wheel mounting bracket, be fixed with anti-gyro wheel drive gear on main drive gear motor's the output shaft, the inside wall of the curb plate that corresponds is stretched out to anti-gyro wheel drive gear's profile of tooth portion, the upper portion of a curb plate of anti-gyro wheel mounting bracket articulates there is last runner, it has first outer ring gear to go up to fix or the shaping on the lateral wall of runner, be equipped with at least one lower roller body between two curb plates of anti-gyro wheel mounting bracket, lower roller body passes through the bearing and articulates on the anti-gyro wheel mounting bracket, the outer ring gear of one end department of lower roller body is equipped with the second, anti-gyro wheel drive gear drives first outer ring gear, the outer ring gear of second rotates.
The middle part of a side plate of the counter-roller mounting frame is hinged with a middle idler wheel through a bearing, the outer tooth part of the middle idler wheel is meshed with a first outer gear ring and a second outer gear ring, and the second outer gear ring is meshed with a counter-roller driving gear.
The upper portion of the front side plate of the anti-rolling wheel mounting frame is fixed with an upper hinged shaft, and the inner end of the upper hinged shaft extends out of the inner side wall of the front side plate and is hinged with an upper rotating wheel through a bearing.
Two lower roller bodies are arranged between two side plates of the counter roller mounting frame, a middle rotating shaft is inserted in the middle of each lower roller body, two ends of the middle rotating shaft are fixed on the two side plates of the counter roller mounting frame, the lower roller bodies are hinged to the middle rotating shaft through bearings, a connecting sleeve is fixed at one end of each lower roller body, and a second outer gear ring is fixed on the outer side wall of the connecting sleeve.
The lateral plate of installing main drive gear motor on the anti-gyro wheel mounting bracket is higher than another curb plate, be fixed with first support frame on the top surface of the curb plate of installing main drive gear motor, be fixed with vertical axle on the first support frame, it has first leading wheel to articulate through the bearing on the vertical axle, the upper portion of another curb plate is fixed with the second support frame, it has the second leading wheel to articulate through the bearing on the vertical axle that the second support frame is fixed with, the horizontal girder in bottom of girder is in between second leading wheel and the first leading wheel.
The middle of one side plate of the counter-roller mounting frame is fixed with an intermediate hinged shaft, the intermediate hinged shaft is inserted in a middle through hole of one side plate of the counter-roller mounting frame, the intermediate hinged shaft is hinged with an intermediate idle wheel through a bearing, a connecting part of the intermediate idle wheel is inserted in a middle through hole of the corresponding side plate, an outer tooth part of the intermediate idle wheel extends out of an inner side wall of the corresponding side plate, and the diameter of an outer tooth part of the intermediate idle wheel is larger than that of the connecting part of the intermediate idle wheel. The outer tooth part of the intermediate idle gear is meshed with one of the second outer gear ring and the first outer gear ring.
The beneficial effects of the utility model reside in that:
it sets up the runner through upper portion, and the middle part sets up middle idler to set up single lower roller body respectively in anti-gyro wheel drive gear's both sides, the interval is little between two lower roller bodies, and the atress is even, and all obtain the support of below, and stability is good, simultaneously, the horizontal girder in bottom of girder is in down between second leading wheel and the first leading wheel, makes it can not take place the card problem of dying with the anti-gyro wheel mounting bracket when removing, guarantees its normal operating.
Description of the drawings:
fig. 1 is a schematic view of a partial structure of the present invention;
fig. 2 is a schematic view of a partial structure between the main drive gear motor and the upper rotating wheel of the present invention;
FIG. 3 is a schematic view of a partial structure of the intermediate idler of the present invention;
fig. 4 is a schematic partial structure diagram between the first guide wheel and the second guide wheel of the present invention;
FIG. 5 is a partial schematic view of the bottom cross girder of the girder and the mounting of the counter roller.
The specific implementation mode is as follows:
example (b): referring to fig. 1 to 5, a counter roller device of a main support leg of a bridge girder erection machine comprises a counter roller mounting bracket 60, a main driving gear motor 61 is fixed on an outer side wall of one side plate of the counter roller mounting bracket 60, an output shaft of the main driving gear motor 61 is inserted and sleeved in one side plate of the counter roller mounting bracket 60, a counter roller driving gear 62 is fixed on an output shaft of the main driving gear motor 61, a tooth-shaped portion of the counter roller driving gear 62 extends out of an inner side wall of the corresponding side plate, an upper rotating wheel 63 is hinged on an upper portion of one side plate of the counter roller mounting bracket 60, a first outer gear ring 631 is fixed or formed on an outer side wall of the upper rotating wheel 63, at least one lower roller body 64 is arranged between two side plates of the counter roller mounting bracket 60, the lower roller body 64 is hinged on the counter roller mounting bracket 60 through a bearing, a second outer gear ring 641 is arranged at one end of the lower roller body 64, the counter roller driving gear wheel 62 drives the first outer gear ring 631, The second outer ring gear 641 rotates.
Further, the middle portion of one side plate of the counter roller mounting bracket 60 is hinged with an intermediate idle gear 65 through a bearing, the external teeth of the intermediate idle gear 65 are meshed with the first external gear ring 631 and the second external gear ring 641, and the second external gear ring 641 is meshed with the counter roller driving gear 62.
Further, an upper hinge shaft is fixed to an upper portion of a front side plate of the counter roller mounting bracket 60, and an inner end of the upper hinge shaft extends out of an inner side wall of the front side plate and is hinged to an upper rotating wheel 63 through a bearing.
Further, two lower roller bodies 64 are arranged between two side plates of the counter roller mounting frame 60, a middle rotating shaft is inserted into the middle of each lower roller body 64, two ends of the middle rotating shaft are fixed on the two side plates of the counter roller mounting frame 60, each lower roller body 64 is hinged to the middle rotating shaft through a bearing, a connecting sleeve is fixed at one end of each lower roller body 64, and a second outer gear ring 641 is fixed on the outer side wall of each connecting sleeve.
Further, the side plate on which the main drive speed reduction motor 61 is mounted on the counter roller mounting bracket 60 is higher than the other side plate, a first support frame 650 is fixed on the top surface of the side plate on which the main drive speed reduction motor 61 is mounted, a vertical shaft is fixed on the first support frame 650, a first guide wheel 651 is hinged to the vertical shaft through a bearing, a second support frame 66 is fixed on the upper portion of the other side plate, a second guide wheel 661 is hinged to the vertical shaft fixed on the second support frame 66 through a bearing, and the bottom transverse main beam of the main beam is located between the second guide wheel 661 and the first guide wheel 651.
Furthermore, an intermediate hinge shaft is fixed in the middle of one side plate of the counter roller mounting bracket 60, the intermediate hinge shaft is inserted into a middle through hole of one side plate of the counter roller mounting bracket 60, the intermediate hinge shaft is hinged with an intermediate idle gear 65 through a bearing, a connecting part of the intermediate idle gear 65 is inserted into a middle through hole of the corresponding side plate, an external tooth part of the intermediate idle gear 65 extends out of an inner side wall of the corresponding side plate, the diameter of the external tooth part of the intermediate idle gear 65 is larger than that of the connecting part of the intermediate idle gear 65, and the external tooth part of the intermediate idle gear 65 is meshed with one of the second external gear ring 641 and the first external gear ring 631.
When the transverse main beam 1001 at the bottom of the main beam is located between the second guide wheel 661 and the first guide wheel 651, the front wall surface of the upper portion of the transverse main beam 1001 at the bottom is close to the first guide wheel 651, and the rear wall surface of the lower portion of the transverse main beam 1001 at the bottom is close to the second guide wheel 651, so that when the transverse main beam 1001 at the bottom moves along the lower roller body 64, the transverse main beam is guided by the second guide wheel 661 and the first guide wheel 651, and is prevented from colliding with and being clamped with two side plates of the counter roller mounting frame 60, and the normal operation of the transverse main beam is ensured.
And when the upper rotating wheel 63 leans on the top surface of the top plate edge of the bottom transverse main beam 1001 to walk, the second guide wheel 661 and the first guide wheel 651 guide to ensure that most of the upper rotating wheel 63 is positioned on the edge of the top plate of the bottom transverse main beam 1001, so that the upper rotating wheel 63 is uniformly stressed, and normal walking is ensured.
When the upper rotating wheel 63 rotates, the main driving gear motor 61 operates to rotate the counter roller driving gear 62, so that the intermediate idle gear 65 and the second external gear ring 641 rotate to realize the rotation of the lower roller body 64, and simultaneously the intermediate idle gear 65 drives the first external gear ring 631 to rotate to realize the rotation of the upper rotating wheel 63.
Claims (6)
1. The utility model provides a counter roller device of bridging machine main leg, includes counter roller mounting bracket (60), its characterized in that: be fixed with main drive gear motor (61) on the lateral wall of a curb plate of anti-gyro wheel mounting bracket (60), the output shaft plug bush of main drive gear motor (61) is in a curb plate of anti-gyro wheel mounting bracket (60), be fixed with anti-gyro wheel drive gear (62) on the output shaft of main drive gear motor (61), the inside wall of the curb plate that corresponds is stretched out to the profile of tooth portion of anti-gyro wheel drive gear (62), the upper portion of a curb plate of anti-gyro wheel mounting bracket (60) articulates there is last runner wheel (63), it has first outer ring gear (631) to go up to fix or the shaping on the lateral wall of runner wheel (63), be equipped with at least one down roller body (64) between two curb plates of anti-gyro wheel mounting bracket (60), lower roller body (64) articulate on anti-gyro wheel mounting bracket (60) through the bearing, the one end department of lower roller body (64) is equipped with second outer ring gear (641), anti-gyro wheel drive gear (62) drive first outer ring gear (631), The second outer ring gear (641) rotates.
2. The counter roller device of the main leg of the bridge girder erection machine according to claim 1, wherein: the middle part of one side plate of the counter roller mounting frame (60) is hinged with an intermediate idle gear (65) through a bearing, an outer tooth part of the intermediate idle gear (65) is meshed with a first outer gear ring (631) and a second outer gear ring (641), and the second outer gear ring (641) is meshed with a counter roller driving gear (62).
3. The counter roller device of the main leg of the bridge girder erection machine according to claim 1, wherein: the upper portion of the front side plate of the reverse roller mounting frame (60) is fixed with an upper hinged shaft, and the inner end of the upper hinged shaft extends out of the inner side wall of the front side plate and is hinged with an upper rotating wheel (63) through a bearing.
4. The counter roller device of the main leg of the bridge girder erection machine according to claim 1, wherein: be equipped with two lower roller body (64) between two curb plates of anti-gyro wheel mounting bracket (60), the middle part plug bush of lower roller body (64) has the middle part pivot, and the both ends of middle part pivot are fixed on two curb plates of anti-gyro wheel mounting bracket (60), and lower roller body (64) pass through the bearing and articulate in the middle part pivot, and the one end of lower roller body (64) is fixed with the adapter sleeve, is fixed with second outer ring gear (641) on the lateral wall of adapter sleeve.
5. The counter roller device of the main leg of the bridge girder erection machine according to claim 1, wherein: the curb plate that installs main drive gear motor (61) on anti-gyro wheel mounting bracket (60) is higher than another curb plate, be fixed with first support frame (650) on the top surface of the curb plate of installing main drive gear motor (61), be fixed with vertical axle on first support frame (650), it has first leading wheel (651) to articulate through the bearing on the vertical axle, the upper portion of another curb plate is fixed with second support frame (66), it has second leading wheel (661) to articulate through the bearing on the vertical axle that second support frame (66) are fixed with, the horizontal girder in bottom of girder is between second leading wheel (661) and first leading wheel (651).
6. The counter roller device of the main leg of the bridge girder erection machine according to claim 2, wherein: the middle of one side plate of the counter roller mounting frame (60) is fixed with a middle hinged shaft, the middle hinged shaft is inserted in a middle through hole of one side plate of the counter roller mounting frame (60), the middle hinged shaft is hinged with a middle idle wheel (65) through a bearing, a connecting part of the middle idle wheel (65) is inserted in a middle through hole of the corresponding side plate, the outer tooth part of the middle idle wheel (65) extends out of the inner side wall of the corresponding side plate, the diameter of the outer tooth part of the middle idle wheel (65) is larger than that of the connecting part of the middle idle wheel (65), the outer tooth part of the middle idle wheel (65) is engaged with one second outer gear ring (641) and the first outer gear ring (631).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543708.5U CN213896789U (en) | 2020-11-06 | 2020-11-06 | Anti-roller device of main supporting leg of bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543708.5U CN213896789U (en) | 2020-11-06 | 2020-11-06 | Anti-roller device of main supporting leg of bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213896789U true CN213896789U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022543708.5U Active CN213896789U (en) | 2020-11-06 | 2020-11-06 | Anti-roller device of main supporting leg of bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213896789U (en) |
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2020
- 2020-11-06 CN CN202022543708.5U patent/CN213896789U/en active Active
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