CN210596936U - Lifting device - Google Patents
Lifting device Download PDFInfo
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- CN210596936U CN210596936U CN201921199539.9U CN201921199539U CN210596936U CN 210596936 U CN210596936 U CN 210596936U CN 201921199539 U CN201921199539 U CN 201921199539U CN 210596936 U CN210596936 U CN 210596936U
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- screw rod
- guide beam
- chassis
- guide
- sleeve
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Abstract
The utility model relates to the field of highway and municipal engineering construction, in particular to a lifter, which comprises a lead screw and a guide ruler which are vertically arranged in parallel; the guide ruler is provided with a sleeve, and the sleeve is fixedly connected with a nut structure sleeved on the screw rod; a guide beam supporting structure is fixedly arranged on the sleeve, and a bayonet with an upward opening is arranged on the guide beam supporting structure and used for placing and supporting the guide beam; the lead screw rotates around the axis, and the sleeve is driven to move up and down through the nut structure, so that the guide beam is driven to vertically move through the guide beam supporting structure. The utility model provides a riser, its wholeness is strong, simple manufacture and maintenance are convenient, are convenient for remove simultaneously and the lifting accuracy is accurate to can improve engineering quality.
Description
Technical Field
The utility model relates to a highway, municipal works construction field relate to a riser particularly.
Background
The width of a road surface is increased in road engineering construction, two or more than two pavers are needed to carry out echelon combined paving, but under the influence of movable paving, the two pavers are difficult to control the paving thickness and the paving flatness in a steel wire hanging mode, and therefore, a movable fulcrum guide beam control mode is derived in construction.
The current guide beam lifting structure comprises the following forms:
1. jack type lifting device
The height of the guide beam is adjusted through the jack, and the height is measured through the steel ruler, so that different elevations are obtained, however, in the process, the elevation of the guide beam cannot be accurately controlled due to the fact that the lifting height of the jack is fixed every time, and the height of the guide beam is limited by the type of the jack.
2. Top thread type lifting device
Set up the stand on the base to the removal horizontal pole that is used for carrying out the support to the nose girder is established to the cover on the stand, extrudees the stand through the jackscrew with removing horizontal pole threaded connection and running through the removal horizontal pole, thereby realizes fixing the purpose of any position on the stand with the removal horizontal pole, and wherein, the jackscrew needs rotate through the spanner, although above-mentioned mode has improved range and precision, the jackscrew department frequency of use is high and damage easily, uses very inconveniently.
3. Mechanical lifting device
The guide beam is supported by the top of the lifting structure with adjustable height, wherein the top of the lifting structure is rubbed with the guide beam, and the lifting is laborious, so that the guide beam is easy to overturn in the lifting process.
In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, and cooperating with the application of the theory, so as to create a lifter, which is more practical.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lifter, its wholeness is strong, simple manufacture and maintenance are convenient, are convenient for remove simultaneously and the lifting accuracy is accurate to can improve the engineering quality.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the lifter comprises a lead screw and a guide ruler which are vertically arranged in parallel;
the guide ruler is provided with a sleeve, and the sleeve is fixedly connected with a nut structure sleeved on the screw rod;
a guide beam supporting structure is fixedly arranged on the sleeve, and a bayonet with an upward opening is arranged on the guide beam supporting structure and used for placing and supporting the guide beam;
the screw rod rotates around the axis, the sleeve is driven to move up and down through the nut structure, and therefore the guide beam is driven to vertically move through the guide beam supporting structure.
Furthermore, the lifter also comprises a chassis, the bottom of the guide ruler is fixedly connected with the chassis, and the bottom of the screw rod is rotatably connected with the chassis.
Furthermore, a plurality of through holes are formed in the base plate.
Furthermore, the horizontal cross-sectional area of the through hole accounts for 1/3-1/2 of the horizontal cross-sectional area of the chassis.
Further, the bottom of the screw rod is rotatably connected with the base plate, specifically, a cylindrical groove body with the inner contour being the same as that of the screw rod is arranged on the base plate, and the bottom of the screw rod is freely placed in the cylindrical groove body.
Furthermore, a connecting support is arranged at the top of the guide ruler, and a through hole for the lead screw to penetrate through is formed in the connecting support and used for supporting the lead screw.
Furthermore, a rocking handle is arranged at the top of the screw rod and used for applying force to the rotation of the screw rod.
Furthermore, a limiting nut is further arranged on the screw rod and used for limiting the limit position of the nut structure in the lifting process.
Furthermore, the guide beam supporting structure comprises a supporting plate, the supporting plate is at least provided with a horizontal mounting surface, at least two positioning rods are fixedly arranged on the horizontal mounting surface, and a bayonet is formed between every two adjacent positioning rods and the horizontal mounting surface.
Further, the locating lever passes through for the cylinder structure the technical scheme of the utility model, can realize following technological effect:
the above technical scheme of the utility model, the lead screw can manually rotate, also accessible motor drives the rotation to make the nut structure up-and-down motion under the restriction of guide ruler, this motion accessible lead screw pivoted number of turns and angle accurate control, and obtain visual quantization through the numerical value on the guide ruler, the site operation of being convenient for, and whole device cost is simple, the operation of being convenient for, through the setting of bayonet socket, can avoid toppling of nose girder, guarantee the stability and the reliability of whole elevation accommodation process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a middle lift of the present invention;
FIG. 2 is a schematic structural view of a chassis;
reference numerals: the guide rod comprises a screw rod 1, a guide ruler 2, a sleeve 3, a nut structure 4, a guide beam supporting structure 5, a supporting plate 51, a positioning rod 52, a bayonet 6, a chassis 7, a through hole 71, a connecting support 8, a rocking handle 9 and a limiting nut 10.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The embodiments of the present invention are written in a progressive manner.
As shown in fig. 1, the lifter comprises a screw rod 1 and a guide ruler 2 which are vertically arranged in parallel; a sleeve 3 is arranged on the guide ruler 2, and the sleeve 3 is fixedly connected with a nut structure 4 sleeved on the screw rod 1; a guide beam supporting structure 5 is fixedly arranged on the sleeve 3, and a bayonet 6 with an upward opening is arranged on the guide beam supporting structure 5 and used for placing and supporting a guide beam; the screw rod 1 rotates around an axis, and the sleeve 3 is driven to move up and down through the nut structure 4, so that the guide beam is driven to vertically move through the guide beam supporting structure 5.
The above technical scheme of the utility model, lead screw 1 can manually rotate, also accessible motor drives the rotation, thereby make nut structure 4 up-and-down motion under the restriction of guide ruler 2, this movement accessible lead screw 1 pivoted number of turns and angle accurate control, and obtain visual quantization through the numerical value on the guide ruler 2, the site operation of being convenient for, and whole device cost is simple, be convenient for operate, through bayonet 6's setting, can avoid toppling of nose girder, guarantee whole elevation accommodation process's stability and reliability.
As a preferred embodiment, as shown in fig. 2, the lifter further includes a chassis 7, the bottom of the guide 2 is fixedly connected to the chassis 7, and the bottom of the lead screw 1 is rotatably connected to the chassis 7. Through the arrangement of the chassis 7, the contact area of the whole device and the ground is increased, and the stability in the working process is effectively increased. Specifically, be provided with a plurality of through holes 71 on the chassis 7, through the setting of through holes 71, under the same condition with ground area of contact, increased the scope of support promptly, can further increase the stationarity of support, also can reduce simultaneously and make the probability that lead screw 1 and guide ruler 2 angle take place the skew because of the ground unevenness, in other words, the unevenness to ground is dodged in the setting of accessible through holes 71. And the horizontal cross-sectional area of the through hole 71 accounts for 1/3-1/2 of the horizontal cross-sectional area of the chassis 7, so that the technical effect is realized, and meanwhile, the structural strength of the chassis 7 is ensured.
Preferably, the bottom of the screw rod 1 is rotatably connected with the base plate 7, specifically, the base plate 7 is provided with a cylindrical groove body with an inner contour identical to that of the screw rod 1, and the bottom of the screw rod 1 is freely placed in the cylindrical groove body. The mode is simple and feasible, because in the working process, the rotating speed of the screw rod 1 is low, the technical purpose can be realized without additionally arranging a bearing structure, in order to ensure the rotating flow, lubricating substances can be properly added in the cylindrical groove body, in addition, the installation and the disassembly of the whole device are convenient through the optimal scheme, and the working precision is ensured through proper storage.
In order to ensure the stability of the screw rod 1, the top of the guide ruler 2 is provided with a connecting bracket 8, and the connecting bracket 8 is provided with a through hole for the screw rod 1 to penetrate through for supporting the screw rod 1; because the junction between lead screw 1 and chassis 7 is used for realizing rotating the support, in addition only through the sleeve 3 with nut structure 4 be connected and realize lead screw 1's support and unavoidably make lead screw 1 appear the phenomenon of rocking in the rotation in-process, consequently, in this preferred scheme, make lead screw 1 obtain extra strong point through setting up linking bridge 8, wherein, linking bridge 8 directly overlaps on lead screw 1 through the through-hole, and can adopt following structure with the connected mode of guiding chi 2: the top of the guide ruler 2 is provided with a prism structure, the bottom of the connecting support 8 is provided with a prism-shaped groove with a matched shape, and the connecting support 8 can be fixed in a mode of being inserted from top to bottom; the arrangement mode has the following advantages: in the process of screw installation and dismantlement, directly through the lead screw 1 about the regulation of position can, if demolish the lead screw from whole riser, only need upwards mention lead screw 1 to make its bottom break away from with chassis 7, sleeve 3 is along the guide bar 2 rebound and final separation, and linking bridge 8 also separates with guide bar 2 simultaneously.
The top of lead screw 1 is provided with rocking handle 9 for the rotation of lead screw 1 is exerted force, can realize the convenience of operation through setting up of rocking handle 9, and wherein, rocking handle 9 can adopt any one form among the prior art, like rod-type or disk, and the prismatic structure of its accessible bottom inserts in the recess of lead screw 1 top adaptation equally, realizes the transmission of rotational power.
As a preference of the above embodiment, the screw rod 1 is further provided with a limit nut 10 for limiting the limit position of the nut structure 4 during the rising process, in this way, when the elevation value is determined, the limit nut 10 can be firstly adjusted to the position with the same height as the designated scale on the guide ruler 2, so that the nut structure 4 automatically stops when rising to the position, and the convenience and accuracy of the operation can be ensured.
In the preferred embodiment, the forming manner of the bayonet 6 is specifically limited, the guide beam support structure 5 includes a support plate 51, the support plate 51 has at least one horizontal mounting surface, at least two positioning rods 52 are fixedly arranged on the horizontal mounting surface, and the bayonet 6 is formed between two adjacent positioning rods 52 and the horizontal mounting surface. The support plate 51 can be fixed with the sleeve 3 by welding or insertion type installation, and the positioning rod 52 can also be connected with the support plate 51 by welding or insertion type installation, in the connection process, the accuracy of the position of the guide beam can be ensured by leveling the horizontal installation surface, and meanwhile, the guide beam can be conveniently installed by the above way; the positioning rod 52 is a cylindrical structure, so that abrasion of sharp lines to the guide beam is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The lifter is characterized by comprising a screw rod (1) and a guide ruler (2) which are vertically arranged in parallel;
a sleeve (3) is arranged on the guide ruler (2), and the sleeve (3) is fixedly connected with a nut structure (4) sleeved on the screw rod (1);
a guide beam supporting structure (5) is fixedly arranged on the sleeve (3), and a bayonet (6) with an upward opening is arranged on the guide beam supporting structure (5) and used for placing and supporting a guide beam;
the lead screw (1) rotates around an axis, the sleeve (3) is driven to move up and down through the nut structure (4), and therefore the guide beam is driven to vertically move through the guide beam supporting structure (5).
2. The lifter according to claim 1, characterized by further comprising a chassis (7), wherein the bottom of the guide ruler (2) is fixedly connected with the chassis (7), and the bottom of the screw rod (1) is rotatably connected with the chassis (7).
3. Lifter according to claim 2, characterized in that the chassis (7) is provided with through going holes (71).
4. Lifter according to claim 3, characterized in that the horizontal cross-sectional area of the through going hole (71) amounts 1/3-1/2 of the horizontal cross-sectional area of the chassis (7).
5. The lifter according to claim 2, characterized in that the bottom of the screw rod (1) is rotatably connected with the chassis (7), in particular, a cylindrical groove body with the same inner contour as the outer contour of the screw rod (1) is arranged on the chassis (7), and the bottom of the screw rod (1) is freely placed in the cylindrical groove body.
6. The lifter according to claim 2, characterized in that a connecting bracket (8) is arranged at the top of the guiding ruler (2), and a through hole for the screw rod (1) to pass through is arranged on the connecting bracket (8) for supporting the screw rod (1).
7. A lifter according to any of claims 1 to 6, characterized in that a rocking handle (9) is arranged on the top of the screw (1) for applying force to the rotation of the screw (1).
8. The lifter according to any of claims 1 to 6, characterized in that a limit nut (10) is further provided on the screw rod (1) for limiting the limit position of the nut structure (4) in the lifting process.
9. A lifter according to any of claims 1 to 6, characterized in that the guide beam support structure (5) comprises a support plate (51), the support plate (51) has at least one horizontal mounting surface, at least two positioning rods (52) are fixedly arranged on the horizontal mounting surface, and the bayonet (6) is formed between two adjacent positioning rods (52) and the horizontal mounting surface.
10. The riser as claimed in claim 9, characterised in that the positioning rod (52) is of cylindrical construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921199539.9U CN210596936U (en) | 2019-07-26 | 2019-07-26 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921199539.9U CN210596936U (en) | 2019-07-26 | 2019-07-26 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210596936U true CN210596936U (en) | 2020-05-22 |
Family
ID=70713770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921199539.9U Active CN210596936U (en) | 2019-07-26 | 2019-07-26 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210596936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498301A (en) * | 2020-12-29 | 2021-03-16 | 夏克杨 | Automobile transverse transfer system |
-
2019
- 2019-07-26 CN CN201921199539.9U patent/CN210596936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498301A (en) * | 2020-12-29 | 2021-03-16 | 夏克杨 | Automobile transverse transfer system |
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