CN204370814U - Arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement - Google Patents
Arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement Download PDFInfo
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- CN204370814U CN204370814U CN201420702889.3U CN201420702889U CN204370814U CN 204370814 U CN204370814 U CN 204370814U CN 201420702889 U CN201420702889 U CN 201420702889U CN 204370814 U CN204370814 U CN 204370814U
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- arm rest
- joint pin
- supporting seat
- supporting device
- jib
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Abstract
The utility model discloses a kind of arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement, the wherein arm rest supporting device Connection Block (5) that comprises supporting seat (7), joint pin (2) and be connected with jib (1), joint pin (2) is movably connected in supporting seat (7) end, joint pin through the hole be arranged on Connection Block (5) to make jib (1) by envelope in supporting seat (7).The utility model structure is simple, and easy to operate, especially do not have axiality requirement to supporting seat (7) and Connection Block (5), easily manufacture, processing performance is good, and operation is not by space constraint, convenient adjustment.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of arm rest supporting device and have the concrete mixer of this bracing or strutting arrangement.
Background technology
On concrete mixer, bassinet structure is made up of jib, connecting rod and oil cylinder three parts.When pump truck is in off working state, when being especially in folding transport condition, for security consideration, need ensure that jib is in folding rounding state all the time, not steady for preventing jib from placing, need to adopt arm rest supporting device, make to fit tightly between each jib.
Existing arm rest supporting device, mainly comprises two kinds of structures:
One is that arm rest supporting device is directly fixedly welded on jib, and the height of this kind of arm rest supporting device cannot regulate, if when there is assembling or foozle, then cannot ensure fitting tightly of jib.
The Connection Block that another kind of arm rest supporting device comprises supporting seat and is fixedly connected with jib, supporting seat and Connection Block all offer bolt hole, and supporting seat is connected on jib by this bolt hole by a screw rod, and locks with locking nut.This arm rest supporting device needs the bolt hole alignment first ensured on Connection Block and supporting seat when assembling, this adds the difficulty of assembly manipulation on the one hand, and operability is poor; Also require that Connection Block and supporting seat upper bolt hole have good axiality on the other hand, just be easy to cause this arm rest supporting device dress to unmatch once there is mismachining tolerance, affect the stationarity of car load, therefore this structure proposes higher requirement to machining accuracy, difficulty of processing is larger, manufacturability is poor, and processing cost is higher.
Utility model content
A technical problem to be solved in the utility model is: the axiality of existing arm rest supporting device to Connection Block and supporting seat requires higher, and difficulty of processing is comparatively large, and manufacturability is poor, and processing cost is higher.
In order to solve above technical problem, the utility model provides a kind of arm rest supporting device on the one hand, it Connection Block comprising supporting seat, joint pin and be connected with jib, joint pin is movably connected in supporting seat end, and this joint pin through the hole be arranged on Connection Block to make jib by envelope in supporting seat.
Alternatively, joint pin is connected pivotally to supporting seat end.
Alternatively, joint pin is articulated with on axle, and this axle is connected to supporting seat end.
Further, two sections of pipes are enclosed within axle, and joint pin is between these two sections of pipes and kept substantially constant on the axial location of axle by this two sections of pipes restriction.
Further, above-mentioned axle one end is provided with stopper section, and the other end is provided with pin-and-hole, and by this stopper section and the pin that coordinates with this pin-and-hole, two sections of pipes are axially located respectively on the two ends of described axle.
Alternatively, axle is connected with joint pin by being arranged on the hole connect on post, and the aperture of pipe is obviously greater than the aperture in the hole on this joint pin.
Alternatively, the aperture being arranged on the hole on Connection Block is obviously greater than the diameter of joint pin.
Alternatively, supporting seat takes the shape of the letter U structure.
Alternatively, arm rest supporting device also comprises protection backing plate, and this protection backing plate is arranged between supporting seat and the side of jib.
The utility model additionally provides a kind of concrete mixer on the other hand, comprises jib, jib is provided with any one arm rest supporting device above.
Arm rest supporting device provided by the utility model, joint pin is movably connected in supporting seat end, joint pin is through the hole on Connection Block and by nut check, realize being fixedly connected with of supporting seat and jib, so supporting seat can compensate processing, assembling or distortion inaccuracy by reconciling joint pin when mounted, and then ensures that jib is in the state of fitting tightly all the time; And owing to no longer relying on screw rod to pass to be arranged on bolt hole on Connection Block and supporting seat to realize the connection of supporting seat and jib, Connection Block and supporting seat are without axiality requirement, not high to the requirement on machining accuracy of Connection Block and supporting seat, structure is simple, easy manufacture, good manufacturability, easy to assembly, operation, not by space constraint, conveniently regulates.
In addition, Connection Block aperture is greater than and connects mast footpath, and pipe aperture is greater than the aperture in the hole on joint pin, can not only compensate mismachining tolerance further, can also make easier for installation.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 illustrates the elevation of the arm rest supporting device that the utility model provides.
Fig. 2 illustrates the sectional view of the arm rest supporting device that the utility model provides.
Fig. 3 illustrates the axonometric drawing of the arm rest supporting device that the utility model provides.
Fig. 4 illustrates the partial enlarged drawing of Fig. 3.
In figure: 1, jib; 2, joint pin; 3, nut; 4, packing ring; 5, Connection Block; 6, sell; 7, supporting seat; 8, screw; 9, backing plate is protected; 10, pipe; 11, axle.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing manual.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
With reference to Fig. 1, arm rest supporting device provided by the utility model or cantilever support structure, the Connection Block 5 comprising supporting seat 7, joint pin 2 and be connected with jib 1, joint pin 2 is movably connected in supporting seat 7 end, joint pin 2 through the hole be arranged on Connection Block 5 to make jib 1 by envelope in supporting seat 7.
See figures.1.and.2, supporting seat 7 is symmetrical, entirety can U-shaped shape, opening upwards ground by the lower side envelope of jib 1 interior, the joint pin 2 being movably connected on supporting seat 7 end is locked by nut 3 through the hole be opened on Connection Block 5, packing ring 4 is provided with between nut 3 and Connection Block 5, because Connection Block 5 is connected with jib 1, so just achieve being fixedly connected with of supporting seat 7 and jib 1, so regulate joint pin 2, supporting seat 7 will move under the pulling force effect of joint pin 2, thus the deflection that the accumulated error existed when compensating jib assembling or jib occur after using.
Said arm rack supporting device provided by the utility model, pass owing to no longer relying on screw rod and be arranged on bolt hole on Connection Block 5 and supporting seat 7 to realize the connection of supporting seat 7 and jib 1, Connection Block 5 and supporting seat 7 are without axiality requirement, not high to the requirement on machining accuracy of Connection Block 5 and supporting seat 7, easily process, manufacturability is better, cost is lower, and when assembling, no longer needing first to aim at bolt hole, also making assembling convenient.
Arm rest supporting device provided by the utility model, can also comprise protection backing plate 9, this protection backing plate 9 is arranged between the side of supporting seat 7 and jib 1.Protection backing plate 9 can be fixedly connected with by screw with between supporting seat 7.With reference to Fig. 2 and Fig. 4, counter sink can be offered on this protection backing plate 9, accordingly, offer screwed hole in the lower end of supporting seat 7 left and right sides, so namely protection backing plate 9 can be fixedly connected on the left and right sides of supporting seat 7 by screw 8.Be provided with between the left and right sides of supporting seat 7 symmetry and jib 1 and protect backing plate 9, contact with jib 1 during for preventing supporting seat 7 stressed and abrade the side of jib 1.
In an embodiment of the present utility model, joint pin 2 is articulated with on axle 11, and axle 11 is connected to supporting seat 7 end.
Two sections of pipes 10 are enclosed within axle 11, and joint pin 2 is between these two sections of pipes 10 and limited by these two sections of pipes 10 and keep substantially constant on the axial location of axle 11.
Above-mentioned axle 11 one end can be provided with stopper section, and the other end can be provided with pin-and-hole, can be axially located respectively on the two ends of axle 11 by this stopper section and pin 6, two sections of pipes 10 of coordinating with this pin-and-hole.
Preferably, with reference to Fig. 1, two sections of pipes 10 are fixed on supporting seat 7 end, and axle 11 is sheathed in these two sections of pipes 10, and joint pin 2 is between two sections of pipes 10.In this embodiment, by axle 11 and pipe 10, joint pin 2 being articulated with on supporting seat 7, making it possible to the height by regulating joint pin 2 to regulate supporting seat 7, and then ensure that jib 1 fits tightly in a non-operative state, good manufacturability, operation, not by space constraint, conveniently regulates.Based on this technical scheme, pipe 10 can limit the displacement of joint pin 2 at the axis direction of axle 11, thus makes assembling convenient.
In order to the moving displacement of restrictive axes 11 axis, with reference to Fig. 4, axle 11 can be provided with stopper section in one end, and the other end is provided with pin-and-hole, by this stopper section and the pin 6 that coordinates with this pin-and-hole, is sheathed in two sections of pipes 10 axle 11 axial restraint.Stopper section herein can be the step-like structure that one section of diameter is greater than pipe 10 diameter, and when axle 11 is through after pipe 10, pipe 10 is resisted against on this step-like structure, thus realizes the restriction to axle 11 axial displacement.
Joint pin 2 and the hinged of axle 11 can be realized by the hole being arranged on joint pin 2 end, and now preferably, the aperture of pipe 10 is obviously greater than the aperture in the hole on this joint pin 2." being obviously greater than " herein refers to the aperture large at least 5% of the aperture of pipe 10 than the hole on joint pin 2.The aperture of pipe 10 is comparatively large, just ensure that there is larger adjusting play between pipe 10 and axle 11, even if supporting seat 7 exists mismachining tolerance like this, the left and right sides of such as its U-shaped structure exists deflection or the inclination away from jib 1 side surface, still can complete assembling.
Certainly, joint pin 2 also directly can be connected pivotally to supporting seat 7 end, makes the structure of arm rest supporting device simpler.
In above each technical scheme, the aperture being arranged on the hole on Connection Block 5 is preferably obviously greater than the diameter of joint pin 2." being obviously greater than " herein refers to the bar footpath large at least 5% of the aperture in the hole on Connection Block 5 than joint pin 2.Such one side is convenient to install, and also can compensate on the other hand the mismachining tolerance of Connection Block 5, in order to avoid cause supporting seat to install due to its mismachining tolerance.
With reference to Fig. 3, concrete mixer provided by the utility model, comprises jib 1, jib 1 is provided with the arm rest supporting device in above either a program.
Arm rest supporting device provided by the utility model, except can be applicable on concrete mixer, can also be applied to fire fighting truck etc. and have in the engineering machinery of foldable arm rack.
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 (10)
1. an arm rest supporting device, it is characterized in that, the Connection Block (5) comprising supporting seat (7), joint pin (2) and be connected with jib (1), described joint pin (2) is movably connected in described supporting seat (7) end, described joint pin (2) through the hole be arranged on described Connection Block (5) to make described jib (1) by envelope in described supporting seat (7).
2. arm rest supporting device according to claim 1, is characterized in that, described joint pin (2) is connected pivotally to described supporting seat (7) end.
3. arm rest supporting device according to claim 1, is characterized in that, described joint pin (2) is articulated with on axle (11), and described axle (11) is connected to described supporting seat (7) end.
4. arm rest supporting device according to claim 3, it is characterized in that, two sections of pipes (10) are enclosed within described axle (11), and described joint pin (2) to be positioned between described two sections of pipes (10) and to be kept substantially constant on the axial location of described axle (11) by described two sections of pipes (10) restriction.
5. arm rest supporting device according to claim 4, it is characterized in that, described axle (11) one end is provided with stopper section, the other end is provided with pin-and-hole, by described stopper section and the pin (6) that coordinates with described pin-and-hole, described two sections of pipes (10) are axially located respectively on the two ends of described axle (11).
6. arm rest supporting device according to claim 4, it is characterized in that, described axle (11) is connected with described joint pin (2) by the hole be arranged on described joint pin (2), and the aperture of described pipe (10) is obviously greater than the aperture in the hole on described joint pin (2).
7., according to the arbitrary described arm rest supporting device of claim 1-6, it is characterized in that, described in the aperture in hole that is arranged on Connection Block (5) be obviously greater than the diameter of described joint pin (2).
8. arm rest supporting device according to claim 1, is characterized in that, described supporting seat (7) takes the shape of the letter U structure.
9. arm rest supporting device according to claim 1; it is characterized in that; described arm rest supporting device also comprises protection backing plate (9), and described protection backing plate (9) is arranged between the side of described supporting seat (7) and described jib (1).
10. a concrete mixer, comprises jib (1), it is characterized in that, described jib (1) is provided with as arbitrary in claim 1-9 as described in arm rest supporting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420702889.3U CN204370814U (en) | 2014-11-20 | 2014-11-20 | Arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420702889.3U CN204370814U (en) | 2014-11-20 | 2014-11-20 | Arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370814U true CN204370814U (en) | 2015-06-03 |
Family
ID=53327045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420702889.3U Active CN204370814U (en) | 2014-11-20 | 2014-11-20 | Arm rest supporting device and there is the concrete mixer of this bracing or strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204370814U (en) |
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2014
- 2014-11-20 CN CN201420702889.3U patent/CN204370814U/en active Active
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