CN202144721U - Support frame, ladder frame assembly and project vehicle - Google Patents
Support frame, ladder frame assembly and project vehicle Download PDFInfo
- Publication number
- CN202144721U CN202144721U CN201120228465U CN201120228465U CN202144721U CN 202144721 U CN202144721 U CN 202144721U CN 201120228465 U CN201120228465 U CN 201120228465U CN 201120228465 U CN201120228465 U CN 201120228465U CN 202144721 U CN202144721 U CN 202144721U
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- Prior art keywords
- head
- bracing frame
- support portion
- ladder
- support
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Abstract
The utility model discloses a support frame which comprises a head part (1) and a support part (2) connected with the head part (1); the support frame also comprises a position adjusting mechanism (4); and the head part (1) is connected with the support part (2) by the position adjusting mechanism (4). The utility model also discloses a ladder frame assembly with the support frame and a project vehicle with the ladder frame assembly. The support frame is capable of stably supporting the ladder frame assembly and leads the ladder frame assembly to be conveniently placed, thus preventing the ladder frame assembly from being damaged.
Description
Technical field
The utility model relates to vehicular field, particularly, relates to a kind of bracing frame and has the ladder assembly of this bracing frame and the engineering truck with this ladder assembly.
Background technology
At present; Some need be lifted high engineering truck and be provided with scalable or folding ladder element (for example ladder or jib etc.); Concrete mixer in motor ladder, ladder truck or the constructions work of for example using always in the fire-fighting; And the ladder element of these engineering trucks need shrink when not using and folds, and is supported on the car body so that place and the going of engineering truck, therefore; Operated by rotary motion has the bracing frame that supports the ladder element on the car body of these engineering trucks, makes the ladder element stably to place.
Be illustrated in figure 1 as the bracing frame of prior art, this bracing frame mainly is used on the engineering truck with ladder element, is used to support the ladder element that does not trail and makes it be supported on car body, makes things convenient for the cruising of engineering truck.This bracing frame comprises head 1 and the support portion 2 that is connected with head 1, and the ladder element is placed on the head 1.But; The head 1 of present bracing frame is directly to be welded on the support portion 2; Be fixed connection between the two, and relative motion can not take place between them, thereby the head of bracing frame 1 can not be regulated relative position (like the height and/or the angle of head 1) with respect to support portion 2.Usually; Be fixed with cushion block 3 on the head 1; Because there are mismachining tolerance in the ladder element and the cushion block 3 that support through bracing frame; When causing the ladder element to be placed on the bracing frame, the situation that can occur having only the vertical pole of a side of ladder element to contact with one of them cushion block 3, thus can cause the support of ladder element unstable.Thereby the vibration that produces of the process moderately gusty air that goes at engineering truck and friction etc., possibly cause the ladder element to deform or damage, be unfavorable for the placement of ladder element.
Therefore, need a kind of bracing frame that can stable support ladder element, to avoid it to deform or to damage.
The utility model content
The purpose of the utility model provides a kind of bracing frame, and this bracing frame can stably support the ladder element, is convenient to the placement of ladder element, avoids it to be damaged.
To achieve these goals; The one side of the utility model provides a kind of bracing frame, and this bracing frame comprises head and the support portion that is connected with this head, wherein; Support frame as described above also comprises position adjusting mechanism, and said head is connected with said support portion through this position adjusting mechanism.
Preferably, said position adjusting mechanism comprises rotating shaft, and said head and support portion are through this rotating shaft pivotal connection.
Preferably, said position adjusting mechanism also comprises and is used to limit the stopping means of said head with respect to the slewing area of said support portion.
Preferably, said stopping means comprises about symmetrically arranged two of said rotating shaft regulates bolts, regulates bolt for these two and is connected on the said support portion and outstanding towards said head from said support portion.
Preferably, be fastened with adjusting nut respectively on said two adjusting bolts.
Preferably, said support portion is provided with a pair of mount pad that is spaced apart from each other, said rotating shaft pass said a pair of mount pad and said head at this to the part between the mount pad.
Preferably, this bracing frame also comprises baffle plate, and this baffle plate is fixedly installed on the lateral wall of one of them said mount pad, and hides at least a portion of the through hole that the said rotating shaft of said one of them mount pad passes.
Preferably; Said head comprises base plate and is separately positioned on said base plate two ends and is positioned at two side plates of the same side of this base plate; Said base plate forms the bending outstanding towards said support portion, and said support portion is connected in the center of said base plate at the opposite side of said base plate.
Preferably, said head also comprises two cushion blocks, and these two cushion blocks are fixedly installed on the said base plate respectively and between said two side plates.
Preferably, said support portion forms trapezium structure, and this support portion is connected with said head at a narrower end of said trapezium structure.
Preferably, this bracing frame has the symmetrical structure about the longitudinal axis symmetry.
The utility model on the other hand; A kind of ladder assembly is provided; This ladder assembly comprises bracing frame and the ladder element that is supported by this bracing frame, and this ladder element has two relative vertical poles connected to one another, wherein; Support frame as described above is foregoing bracing frame, and said two vertical poles of said ladder element are supported on the head of support frame as described above.
The one side again of the utility model; A kind of engineering truck is provided, this project vehicle comprise car body be arranged on the ladder assembly on the said car body, wherein; This ladder assembly is foregoing ladder assembly; Support frame as described above is fixed on the said car body, and an end of said two vertical poles of said ladder element all is supported on the head of support frame as described above, and the other end all is supported on the said car body.
Through technique scheme, the bracing frame of the utility model is used to support the ladder element, the ladder of for example using always on the fire fighting truck or the jib of concrete mixer etc.The support portion of bracing frame is fixed on the installed surface (for example subframe).One end of ladder element can be placed on the head of bracing frame; The other end is supported on the installed surface (for example turntable) of fixing support rack; And can regulate the position of head with respect to the support portion through position adjusting mechanism, for example the height of head and/or angle make the position of head be adapted to the position and the shape of ladder element; Make two vertical poles of ladder element all contact, to form the stable support of bracing frame to the ladder element with head.Thereby in the process that engineering truck goes, avoid making the ladder deformed element and being damaged because of vibration and friction.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of manual, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the front view of the bracing frame of prior art;
Fig. 2 is the front view of bracing frame of the embodiment of the utility model.
Description of reference numerals
1 head, 2 support portions
3 cushion blocks, 4 position adjusting mechanisms
5 rotating shafts, 6 stopping means
7 mount pads, 8 baffle plates
9 base plates, 10 side plates
The L longitudinal axis
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, not do under the situation of opposite explanation, the noun of locality of use typically refers to top, below, the left side and the right of Fig. 2 like " upper and lower, left and right ".
Be illustrated in figure 2 as bracing frame according to the embodiment of the utility model; This bracing frame comprises head 1 and the support portion 2 that is connected with this head 1; Wherein, support frame as described above also comprises position adjusting mechanism 4, and said head 1 is connected with said support portion 2 through this position adjusting mechanism 4.
This bracing frame is used to support the ladder element, the ladder of for example using always on the fire fighting truck or the jib of concrete mixer etc.The support portion 2 of bracing frame is fixed on the installed surface (for example subframe).One end of ladder element can be placed on the head 1 of bracing frame; The other end is supported on the installed surface (for example turntable) of fixing support rack; And can regulate the position of head 1 with respect to support portion 2 through position adjusting mechanism 4, for example the height of head 1 and/or angle make the position of head 1 be adapted to the position and the shape of ladder element; Make two vertical poles of ladder element all contact, to form the stable support of bracing frame to the ladder element with head.Thereby in the process that engineering truck goes, avoid making the ladder deformed element and being damaged because of vibration and friction.
Wherein, position adjusting mechanism 4 can have multiple form of structure, as long as can realize regulating the relative position relation of head 1 and support portion 2.For example, position adjusting mechanism 4 can adopt spring structure.Specifically; Said head 1 has gripper shoe; The two ends of this gripper shoe are connected on the said support portion 2 through spring respectively, thereby utilize above-mentioned spring supporting head part 1, and then allow head 1 relatively moving (as rotating and/or swing) with respect to support portion 2.
In addition; Position adjusting mechanism 4 also can adopt linkage; Wherein two connecting rods of this linkage are connected with the two ends of head 1 respectively, and an other connecting rod is connected with support portion 2, thereby regulate the position of head 1 with respect to support portion 2 through regulating linkage.
For the structure that obtains to simplify, preferably, said position adjusting mechanism 4 comprises rotating shaft 5, and said head 1 passes through these rotating shaft 5 pivotal connections with support portion 2.Rotating shaft 5 can be adopted can be as the bearing pin of pivotal axis etc., and rotating shaft 5 is passed head 1 and is provided with support portion 2.
When the ladder element is placed in the process on the head 1, head 1 can be with respect to support portion 2 pivoted, and two vertical poles that turn to the ladder element all with head 1 position contacting.Thereby two vertical poles of ladder element are all stressed, and bracing frame can stably support the ladder element, avoid the ladder element and are out of shape or damage because receive vibration to wait.
In order to limit the turned position of head 1, preferably, said position adjusting mechanism also comprises and is used to limit the stopping means 6 of said head 1 with respect to the slewing area of said support portion 2.Two vertical poles that turn to the ladder element with respect to support portion 2 when head 1 all with head 1 position contacting; The position and the shape that promptly are suitable for the ladder element at this position head 1; Operate stopping means 6 this moment makes head 1 remain on this position, firmly to support the ladder element.
Stopping means 6 for example can adopt from the support portion 2 headward 1 outstanding projections; This projection (the for example cushion block of various height dimensions) is removably disposed on the support portion 2, and its height and position get final product for making the head 2 that turns to correct position be fixed on this position.
For easy to operate, preferably, said stopping means 6 comprise about said rotating shaft 5 symmetrically arranged two regulate bolts, regulate bolt for these two and be connected on the said support portion 2 and outstanding towards said head 1 from said support portion 2.The adjusting bolt can be set to bolt head and contact with the bottom surface of head 1; And corresponding screw is threaded on screw rod and the support portion 2; Can move up and down with respect to support portion 2 so that regulate bolt; Be that bolt head can move to contact to limit it with the head that turns to correct position 1 and is rotated further, thereby make head 1 be fixed on this position.Symmetrically arranged two adjusting bolts both sides of supporting head part 1 symmetrically make it stressed evenly, thereby more firm to the support of head 1, conveniently with the position-limiting action of realizing effectively head 1.
Regulate the end face that bolt also can be set to screw rod and contact with the bottom surface of head 1, screw rod passes hole setting corresponding on the support portion 2, i.e. in the opposite direction with above-mentioned set-up mode no longer tired out at this and to state its set-up mode.
For the pressure effect that prevents 1 pair of adjusting of head bolt makes its play up and down, preferably, be fastened with adjusting nut respectively on said two adjusting bolts.Adjusting nut and adjusting bolton with the position of secured adjusted bolt, thereby keep regulating the height that bolt is given prominence to support portion 2, thus the position of restriction head 1.
Easy for installation for rotating shaft 5, preferably, said support portion 2 is provided with a pair of mount pad that is spaced apart from each other 7, said rotating shaft 5 pass said a pair of mount pad 7 and said head 1 at this to the part between the mount pad 7.Mount pad 7 can be fixedly installed on the top of support portion 2, and forms two blocks of upright plates.Head 1 passes the space between a pair of mount pad 7, and rotating shaft 5 passes a pair of mount pad 7 and said head 1, so that head 1 and support portion 2 are pivoted together, thereby is convenient to the setting of rotating shaft 5, has simplified the syndeton between head 1 and the support portion 2.The end of rotating shaft 5 can be concordant with mount pad 7, also can protrude in mount pad 7 and be provided with.
Wherein, when rotating shaft 5 was employed in the one of which end and has the bearing pin of head, the head of bearing pin one end was positioned at the outside of one of them mount pad 7, and the other end passes another mount pad 7.
Therefore; In order to limit the axial location of rotating shaft 5, preferably, this bracing frame can comprise baffle plate 8; This baffle plate 8 is fixedly installed on the lateral wall of one of them said mount pad 7, and hides at least a portion of the through hole that the said rotating shaft 5 of said one of them mount pad 7 passed.Baffle plate 8 can be fixed on the lateral wall of mount pad 7 through securing member; An end one end concordant with the lateral wall of one of them mount pad 7 or rotating shaft 5 that rotating shaft 5 is set to this rotating shaft 5 is positioned at the through hole that the rotating shaft 5 on one of them mount pad 7 is passed, and baffle plate 8 can hide the part of said through hole at least.Rotating shaft 5 can not skid off the through hole that is positioned on the mount pad 7 because the too many perhaps rotation amplitude of number of revolutions is too big, thereby can limit the axial location of rotating shaft 5 in rotating process like this, i.e. rotating shaft 5 is rotated in the corresponding through hole of mount pad 7 and head 1.
If rotating shaft 5 is shaft-like structure (not having head); Baffle plate 8 is set to two; These two baffle plates 8 are fixedly installed on respectively on the lateral wall separately of said a pair of mount pad 7, and hide at least a portion of the through hole that the said rotating shaft 5 of said a pair of mount pad 7 passed.
When the end of rotating shaft 5 and mount pad 7 two ends concordant or rotating shaft 5 were positioned at the through hole that the rotating shaft 5 on a pair of mount pad 7 passes, baffle plate 8 formed flat board as shown in Figure 2; When the end nipple of rotating shaft 5 was provided with from mount pad 7, baffle plate 8 formed bending, and the end of rotating shaft 5 is arranged in the bend of correspondence of baffle plate 8, and the two ends of baffle plate 8 are fixed with mount pad 7.
The placement of ladder element for ease; Preferably; Said head 1 comprises base plate 9 and is separately positioned on said base plate 9 two ends and is positioned at two side plates 10 of the same side of this base plate 9; Form the bending of giving prominence to towards said support portion 2 on the said base plate 9, said support portion 2 is connected in the center of said base plate 9 at the opposite side of said base plate 9.The ladder element is placed on the base plate 9, the move left and right of side plate 10 restriction ladder elements.Base plate 9 forms bending, is convenient to the cooperation that is connected of head 1 and support portion 2, and the position adjustments of head 1 is also easier simultaneously.The manufacturing of head 1 for ease, head 1 can be integrally formed.
Preferably, this bracing frame has the symmetrical structure about the longitudinal axes L symmetry.Therefore, bracing frame simple in structure, stressed evenly, be convenient to the manufacturing and the installation of bracing frame.
According to the utility model on the other hand; A kind of ladder assembly is provided; This ladder assembly comprises bracing frame and the ladder element that is supported by this bracing frame, and this ladder element has two relative vertical poles connected to one another, wherein; Support frame as described above is above-mentioned bracing frame, and said two vertical poles of said ladder element are supported on the head 1 of support frame as described above.The ladder element can be for being arranged on ladder or jib of concrete mixer on the engineering truck (particularly fire fighting truck) etc.; It has two be oppositely arranged and vertical poles connected to one another; What one end of these two vertical poles was stable is placed on the bracing frame; The other end is supported on the installed surface, for example on the installed surface of fixing support rack (for example turntable), thus the stable support that the ladder element can tilt.
One side again according to the utility model; A kind of engineering truck is provided, this project vehicle comprise car body be arranged on the ladder assembly on the said car body, wherein; This ladder assembly is above-mentioned ladder assembly; Support frame as described above is fixed on the said car body, and an end of said two vertical poles of said ladder element all is supported on the head 1 of support frame as described above, and the other end all is supported on the said car body.
General engineering truck; For example fire fighting truck, high-altitude operation vehicle, concrete mixer etc.; Its car body generally comprises the chassis and is installed in the turntable on the chassis, the ladder element for example ladder or jib etc. normally an end be supported on the turntable, can in certain slewing area, carry out operation upon deployment; Its other end is positioned on the bracing frame when folding, and this bracing frame generally is installed in (especially on the subframe) on the chassis.
In the engineering truck that the utility model provides; Bracing frame can be fixed on the car body, and during ladder component shrinkage on being arranged on car body, an end of ladder element is supported on the bracing frame; The other end is placed on the car body; The ladder element can make things convenient for, stably be supported on the bracing frame, thereby this project vehicle can make things convenient for, stably place the ladder element, avoids the impaired of ladder element and distortion.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (13)
1. bracing frame, this bracing frame comprises head (1) and the support portion (2) that is connected with this head (1), it is characterized in that support frame as described above also comprises position adjusting mechanism (4), said head (1) is connected with said support portion (2) through this position adjusting mechanism (4).
2. bracing frame according to claim 1 is characterized in that, said position adjusting mechanism (4) comprises rotating shaft (5), and said head (1) and support portion (2) are through this rotating shaft (5) pivotal connection.
3. bracing frame according to claim 2 is characterized in that, said position adjusting mechanism also comprises and is used to limit the stopping means (6) of said head (1) with respect to the slewing area of said support portion (2).
4. bracing frame according to claim 3; It is characterized in that; Said stopping means (6) comprises about symmetrically arranged two of said rotating shaft (5) regulates bolt, and these two adjusting bolts are connected said support portion (2) and go up and give prominence to towards said head (1) from said support portion (2).
5. bracing frame according to claim 4 is characterized in that, is fastened with adjusting nut respectively on said two adjusting bolts.
6. according to claim 2 or 3 described bracing frames; It is characterized in that; Said support portion (2) is provided with a pair of mount pad that is spaced apart from each other (7), and what said a pair of mount pad (7) and said head (1) were passed in said rotating shaft (5) is positioned at this to the part between the mount pad (7).
7. bracing frame according to claim 6; It is characterized in that; This bracing frame also comprises baffle plate (8); This baffle plate (8) is fixedly installed on the lateral wall of one of them said mount pad (7), and hides at least a portion of the through hole that the said rotating shaft (5) of said one of them mount pad (7) passed.
8. bracing frame according to claim 1; It is characterized in that; Said head (1) comprises base plate (9) and is separately positioned on said base plate (9) two ends and is positioned at two side plates (10) of the same side of this base plate (9); Said base plate (9) forms towards said support portion (2) outstanding bending, and said support portion (2) are connected in the center of said base plate (9) at the opposite side of said base plate (9).
9. bracing frame according to claim 8 is characterized in that, said head (1) also comprises two cushion blocks (3), and these two cushion blocks (3) are fixedly installed on the said base plate (9) respectively and are positioned between said two side plates (10).
10. bracing frame according to claim 1 is characterized in that, said support portion (2) form trapezium structure, and this support portion (2) are connected with said head (1) at a narrower end of said trapezium structure.
11. bracing frame according to claim 1 is characterized in that, this bracing frame has the symmetrical structure about longitudinal axis (L) symmetry.
12. ladder assembly; This ladder assembly comprises bracing frame and the ladder element that is supported by this bracing frame; This ladder element has two relative vertical poles connected to one another; It is characterized in that support frame as described above is any described bracing frame among the claim 1-11, said two vertical poles of said ladder element are supported on the head (1) of support frame as described above.
13. engineering truck; This project vehicle comprises car body and is arranged on the ladder assembly on the said car body; It is characterized in that this ladder assembly is a ladder assembly according to claim 12, support frame as described above is fixed on the said car body; One end of said two vertical poles of said ladder element all is supported on the head (1) of support frame as described above, and the other end all is supported on the said car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120228465U CN202144721U (en) | 2011-06-30 | 2011-06-30 | Support frame, ladder frame assembly and project vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120228465U CN202144721U (en) | 2011-06-30 | 2011-06-30 | Support frame, ladder frame assembly and project vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144721U true CN202144721U (en) | 2012-02-15 |
Family
ID=45580654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120228465U Expired - Fee Related CN202144721U (en) | 2011-06-30 | 2011-06-30 | Support frame, ladder frame assembly and project vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628320A (en) * | 2012-04-20 | 2012-08-08 | 三一重工股份有限公司 | Concrete pump truck and boom-replacing system thereof |
| CN115385275A (en) * | 2022-08-19 | 2022-11-25 | 成都中科卓尔智能科技集团有限公司 | Precise guiding and positioning device for large-size photoetching mask substrate surface coating |
-
2011
- 2011-06-30 CN CN201120228465U patent/CN202144721U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628320A (en) * | 2012-04-20 | 2012-08-08 | 三一重工股份有限公司 | Concrete pump truck and boom-replacing system thereof |
| CN102628320B (en) * | 2012-04-20 | 2014-09-10 | 三一汽车制造有限公司 | Concrete pump truck and boom-replacing system thereof |
| CN115385275A (en) * | 2022-08-19 | 2022-11-25 | 成都中科卓尔智能科技集团有限公司 | Precise guiding and positioning device for large-size photoetching mask substrate surface coating |
| CN115385275B (en) * | 2022-08-19 | 2024-02-27 | 成都中科卓尔智能科技集团有限公司 | Precise guiding and positioning device for surface coating of large-size photoetching mask plate base plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20180630 |