CN204472485U - A kind of equalizing bar suspension - Google Patents
A kind of equalizing bar suspension Download PDFInfo
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- CN204472485U CN204472485U CN201520118288.2U CN201520118288U CN204472485U CN 204472485 U CN204472485 U CN 204472485U CN 201520118288 U CN201520118288 U CN 201520118288U CN 204472485 U CN204472485 U CN 204472485U
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Abstract
The utility model relates to a kind of equalizing bar suspension, comprise equalizing bar, concentric shafts, strut mount, propelling rod support and upper thrust rod, described equalizing bar is provided with two, the middle part of two described equalizing bars is all embedded with the first bearing pin, two described equalizing bar symmetries are sleeved on the two ends of described concentric shafts, and the two ends of described concentric shafts are vertical respectively interts in described first bearing pin of two described equalizing bars, the two ends of two described equalizing bars are all embedded with oscillating bearing, are provided with the second bearing pin in described oscillating bearing; Described strut mount is placed in the top between two described equalizing bars, and is fixedly connected with two described equalizing bars respectively, and described propelling rod support is placed in the upper end of described strut mount, and described upper thrust rod is sleeved on described propelling rod support.Hinge structure, the utility model can reduce body gravity, avoid accessory to rupture, and promotes reliability, long service life.
Description
Technical field
The utility model relates to equalizing bar suspension technical field, particularly a kind of equalizing bar suspension for the extraordinary chassis vehicle in oil field.
Background technology
Extraordinary chassis used by oil field drilling service machine, mobile transport frequency is lower, during mobile transport, bearing capacity is comparatively large, and center of gravity is high, and the speed of a motor vehicle is low, road conditions are also more severe,, often there is lower thrust pull bar and tie bolt fracture thereof, the problems such as rear-mounted equalizer bearing shell fracture in traditional balance suspension, handling characteristics and the environment for use on the extraordinary chassis of drilling and workover machines can not be met, so be necessary to solve these problems.
Utility model content
Technical problem to be solved in the utility model is to provide one and can reduces body gravity, avoid accessory to rupture, and promotes reliability, the equalizing bar suspension of long service life.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of equalizing bar suspension, comprise equalizing bar, concentric shafts, strut mount, propelling rod support and upper thrust rod, described equalizing bar is provided with two, the middle part of two described equalizing bars is all embedded with the first bearing pin, two described equalizing bar symmetries are sleeved on the two ends of described concentric shafts, and the two ends of described concentric shafts are vertical respectively interts in described first bearing pin of two described equalizing bars, the two ends of two described equalizing bars are all embedded with oscillating bearing, are provided with the second bearing pin in described oscillating bearing; Described strut mount is placed in the top between two described equalizing bars, and is fixedly connected with two described equalizing bars respectively, and described propelling rod support is placed in the upper end of described strut mount, and described upper thrust rod is sleeved on described propelling rod support.
The beneficial effects of the utility model are: by the equalizing bar suspension of the accessory assemblings such as balance beam, concentric shafts, strut mount, propelling rod support and upper thrust rod, eliminate bearing and bearing case, effectively reduce the height of this device, thus effectively reduce body gravity; Eliminate original lower thrust rod, avoid the fracture of lower thrust rod and bearing case, improve the reliability of this device, extend service life.
On the basis of technique scheme, the utility model can also do following improvement.
Further, two described equalizing bars all can the first bearing pin cw in the middle part of it or left-hand revolution 10 ~ 20 degree.
Further, two described equalizing bars all can the first bearing pin cw in the middle part of it or left-hand revolution 15 degree.
The beneficial effect of above-mentioned further scheme is adopted to be: to make equalizing bar by jolting of rotating that the effectively severe road conditions of buffering cause, improve the reliability of this device.
Further, described equalizing bar is non deformable rigid balancing beam.
The beneficial effect of above-mentioned further scheme is adopted to be: rigid balancing beam ensure that the reliability of suspension.
Further, described strut mount and two described equalizing bars by being welded to connect, pinned connection or one-body molded.
The beneficial effect of above-mentioned further scheme is adopted to be: the reliability promoting suspension.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of equalizing bar suspension of the utility model;
Fig. 2 is the birds-eye view of equalizing bar and upper thrust rod.
In accompanying drawing, the list of parts representated by each label is as follows:
1, equalizing bar, 2, concentric shafts, 3, strut mount, 4, propelling rod support, 5, upper thrust rod, the 6, first bearing pin, 7, oscillating bearing, the 8, second bearing pin.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As depicted in figs. 1 and 2, a kind of equalizing bar suspension, comprise equalizing bar 1, concentric shafts 2, strut mount 3, propelling rod support 4 and upper thrust rod 5, described equalizing bar 1 is provided with two, the middle part of two described equalizing bars 1 is all embedded with the first bearing pin 6, two described equalizing bar 1 symmetries are sleeved on the two ends of described concentric shafts 2, and the two ends of described concentric shafts 2 are vertical respectively interts in described first bearing pin 6 of two described equalizing bars 1, the two ends of two described equalizing bars 1 are all embedded with oscillating bearing 7, are provided with the second bearing pin 8 in described oscillating bearing 7; Described strut mount 3 is placed in the top between two described equalizing bars 1, and equalizing bar 1 described with two is fixedly connected with respectively, and described propelling rod support 4 is placed in the upper end of described strut mount 3, and described upper thrust rod 5 is sleeved on described propelling rod support 4.
Two described equalizing bar 1 initial conditions are horizontal parallel, and two described equalizing bars 1 all can the first bearing pin 6 cw in the middle part of it or left-hand revolution 10 ~ 20 degree.
Two described equalizing bars 1 all can the first bearing pin 6 cw in the middle part of it or left-hand revolution 15 degree.
Described equalizing bar 1 is non deformable rigid balancing beam.
Described strut mount 3 and two described equalizing bars 1 by being welded to connect, pinned connection or one-body molded.
Implement this device, the middle part of equalizing bar 1 is connected with strut mount 3 by bearing pin 6, strut mount 3 is fixedly connected with vehicle frame by bolt, the two ends of equalizing bar 1 are respectively with front, the undersetting of rear axle passes through pinned connection, the top of tandem axle is connected with vehicle frame by bearing pin and upper thrust rod 5, front, when rear axle drives, vehicle bridge drives chassis to move by equalizing bar 1 and upper thrust rod 5, drilling and workover machines is when rugged road conditions travel, a vehicle bridge is raised another vehicle bridge and is reduced, the vertical load of two vehicle bridge is identical, the minimizing because carrying vehicle bridge is avoided to make vehicle bridge and tyre overload.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an equalizing bar suspension, it is characterized in that: comprise equalizing bar (1), concentric shafts (2), strut mount (3), propelling rod support (4) and upper thrust rod (5), described equalizing bar (1) is provided with two, the middle part of two described equalizing bars (1) is all embedded with the first bearing pin (6), two described equalizing bar (1) symmetries are sleeved on the two ends of described concentric shafts (2), and the two ends of described concentric shafts (2) are vertical respectively interts in described first bearing pin (6) of two described equalizing bars (1), the two ends of two described equalizing bars (1) are all embedded with oscillating bearing (7), the second bearing pin (8) is provided with in described oscillating bearing (7), described strut mount (3) is placed in the top between two described equalizing bars (1), and be fixedly connected with two described equalizing bars (1) respectively, described propelling rod support (4) is placed in the upper end of described strut mount (3), and described upper thrust rod (5) is sleeved on described propelling rod support (4).
2. a kind of equalizing bar suspension according to claim 1, is characterized in that: two described equalizing bars (1) all can the first bearing pin (6) cw in the middle part of it or left-hand revolution 10 ~ 20 degree.
3. a kind of equalizing bar suspension according to claim 2, is characterized in that: two described equalizing bars (1) all can the first bearing pin (6) cw in the middle part of it or left-hand revolution 15 degree.
4. a kind of equalizing bar suspension according to claim 1, is characterized in that: described equalizing bar (1) is non deformable rigid balancing beam.
5. a kind of equalizing bar suspension according to any one of Claims 1-4, is characterized in that: described strut mount (3) and two described equalizing bars (1) by being welded to connect, pinned connection or one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118288.2U CN204472485U (en) | 2015-02-27 | 2015-02-27 | A kind of equalizing bar suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520118288.2U CN204472485U (en) | 2015-02-27 | 2015-02-27 | A kind of equalizing bar suspension |
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| CN204472485U true CN204472485U (en) | 2015-07-15 |
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- 2015-02-27 CN CN201520118288.2U patent/CN204472485U/en active Active
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