CN204716756U - A kind of three surface of contact sectional guide rails - Google Patents
A kind of three surface of contact sectional guide rails Download PDFInfo
- Publication number
- CN204716756U CN204716756U CN201520438718.9U CN201520438718U CN204716756U CN 204716756 U CN204716756 U CN 204716756U CN 201520438718 U CN201520438718 U CN 201520438718U CN 204716756 U CN204716756 U CN 204716756U
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- China
- Prior art keywords
- rail body
- positioning spline
- rail
- positioning
- countersunk screw
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Abstract
A kind of three surface of contact sectional guide rails, its structure comprises the rail body of strip, the end face at rail body two ends is the linking inclined-plane of inclination, in rail body, the side of center line is uniformly distributed with guide rail fixing structure side by side, and each group guide rail fixing structure comprises a countersunk screw holes and a positioning pin hole; The opposite side of center line is provided with positioning spline, and described positioning spline is arranged on the end of rail body, and positioning spline forms open opening in the end of rail body.Guide rail soundness of the present utility model is good, effectively avoids the subsidence problems of guide rail, adds the stability that equipment runs, and reduces fault and occurs, reduce maintenance.
Description
Technical field
The utility model relates to railway technology field, specifically a kind of three surface of contact sectional guide rails, is applicable to the equipment that three faces all exist travelling mechanism, as coil of strip jetting device for making number etc.
Background technique
Roll the coil of strip finished product spray operation of output strip line, jetting device for making number head is motion cantilever structure, and for ensureing the stable of operation, three faces that base running trolley assembles at guide rail all have wheel to contact.Guide rail is the assembling of position, side when assembling on coil of strip jetting device for making number, traditional guide rail screw is installed fixing, like this when guide rail three faces contact with wheel, guide rail easily occurs being connected dislocation, integral sinking problem, have a strong impact on the normal walking of dolly, hamper the normal operation of equipment, later maintenance workload is very large.
Because all there is travelling mechanism in three faces of guide rail, all can bear the pressure from travelling mechanism, therefore on guide rail, increase positioning device very difficult not affecting under the prerequisite that travelling mechanism runs, increase that every section of guide rail is connected tight, to increase the accurate and fixing of location be firmly the problem needing at present to solve.
Model utility content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of three surface of contact sectional guide rails, and this guide rail solves linking dislocation and the guide rail subsidence problems of traditional three surface of contact guide rails, is connected more accurate, locates more firm.
The technical scheme in the invention for solving the technical problem is: a kind of three surface of contact sectional guide rails, comprise the rail body of strip, the cross section of rail body is rectangle, the end face at rail body two ends be the linking inclined-plane of inclination and two be connected inclined-planes and be parallel to each other; In rail body, the side of center line is uniformly distributed with guide rail fixing structure side by side, and each group guide rail fixing structure comprises a countersunk screw holes and a positioning pin hole; In rail body, the side residing for counterbore of countersunk screw holes and adjacent with this side two sides are working surface, and a remaining side is non-working surface; The opposite side of center line is provided with positioning spline, and described positioning spline is arranged on the end of rail body, and positioning spline forms open opening in the end of rail body, and positioning spline is arranged on the non-working surface of rail body.
A kind of selectable technological scheme is: described positioning spline comprises one, and positioning spline is distributed in any one end of described rail body.Only there is two ends rail body to be connected, or be positioned at the guide rail of end when more than two sections rail body connect, adopt this kind to be provided with the rail body of a positioning spline.
Another kind of selectable technological scheme is: described positioning spline comprises two, and two positioning splines are distributed in the two ends of described rail body respectively.More than two sections rail body are positioned at the guide rail of intermediate portion when connecting, adopt this kind of two ends to be equipped with the rail body of positioning spline.
Further technological scheme is: the angle of inclination on described linking inclined-plane is between 30 °-60 °.The angle of inclination being connected inclined-plane effectively can increase linking contact of incline plane area between 30 °-60 °, avoids the drawback of angle too small or excessive not easily processing and the contact that bring simultaneously.
For avoiding machining hole on the impact of rail body, further technological scheme is: the diameter of described countersunk screw holes is 1/4 of rail body width, and the diameter of described positioning pin hole is 1/2 of countersunk screw holes nominal diameter.
Further technological scheme is: the length of described positioning spline is not less than the twice of described linking slope level projected length, the width of positioning spline is the 1/3-1/2 of rail body center line side width, and the thickness of positioning spline is the 1/4-1/3 of rail body thickness.Rail body local strength is caused to reduce after such ratio setting effectively can avoid increasing positioning spline.
Compared with prior art, the utility model has following beneficial effect:
1, in rail body, guide rail fixing structure is uniformly distributed with side by side, guide rail fixing structure comprises countersunk screw holes and positioning pin hole, by countersunk screw and hollow expansion pin, guide rail is fixed, location countersunk screw adopts high-strength bolt, and pairs of anti-loose nut, be distributed with location expansion pin in the same side of countersunk screw, increase the accurate and fixing firm of location, avoid the problem that simple screw fixedly causes rail body to be sunk.
2, the side of each countersunk screw holes is equipped with positioning pin hole, and countersunk screw plays the effect of installation and double nut clamping, and location expansion pin assists countersunk screw to realize location and anti-sinking.
3, countersunk screw and hollow expansion pin are absorbed in the inside of rail body, can not affect the steady of travelling mechanism operation; The diameter of countersunk screw holes is 1/4 of the first rail body width, and the diameter of positioning pin hole is 1/2 of countersunk screw holes nominal diameter, and the size design in hole fully takes into account the strength problem of rail body, avoids machining hole on the impact of rail body.
4, countersunk screw holes and positioning pin hole are positioned at the side of rail body center line, when rail body is arranged on the side of support body, countersunk screw holes and positioning pin hole is made to be positioned at more than rail body center line, thus countersunk screw and location expansion pin are all positioned at more than rail body center line, preferentially bear the gravity of travelling mechanism, effectively avoid rail body generation sinkage.
5, the two ends of rail body are provided with linking inclined-plane, add the precision of rail body joining place, effectively prevent and be connected dislocation and be connected gap, thus increase travelling mechanism traveling comfort, the angle of inclination being connected inclined-plane effectively can increase linking contact of incline plane area between 30 °-60 °, avoids the drawback of angle too small or excessive not easily processing and the contact that bring simultaneously.
6, non-working surface adds positioning spline, set up positioning key, linking guide rail is returned to one precision, avoid the simple problem of misalignment be connected, positioning spline and countersunk screw holes and positioning pin hole are divided into the both sides of rail body center line, prevent positioning spline and positioning key and countersunk screw holes and positioning pin hole from interfering, the width control system of positioning spline is at the 1/3-1/2 of rail body center line side width, the THICKNESS CONTROL of positioning spline is at the 1/4-1/3 of rail body thickness, rail body local strength is caused to reduce after such ratio setting effectively can avoid increasing positioning spline.
7, by improving the fit system of linking guide rail contacting surface, non-working surface increase keyway and key and passing through to strengthen countersunk screw pairs of anti-loose nut and the dual fastening location of expansion pin, solve and be connected problem of misalignment and guide rail subsidence problems, add the stability that equipment runs, reduce fault to occur, reduce maintenance.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model embodiment one;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A direction view of Fig. 3;
Fig. 5 is the plan view of the utility model embodiment two;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 is the B direction view of Fig. 7;
Fig. 9 is the plan view of the utility model embodiment three;
Figure 10 is the plan view of Fig. 9;
Figure 11 is the left view of Fig. 9;
Figure 12 is the C direction view of Figure 11;
Figure 13 is the sectional structure schematic diagram of the utility model countersunk screw holes and positioning pin hole;
In figure: 1 rail body, 2 countersunk screw holes, 3 positioning pin holes, 4 are connected inclined-plane, 5 positioning splines.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the utility model will be further described:
Embodiment one:
As Figure 1-4.A kind of three surface of contact sectional guide rails of the present utility model, comprise the rail body 1 of strip, and the cross section of rail body 1 is rectangle, the end face at rail body 1 two ends be the linking inclined-plane 4 of inclination and two be connected inclined-planes 4 and be parallel to each other; In rail body 1, the side of center line is uniformly distributed with guide rail fixing structure side by side, and each group guide rail fixing structure comprises a countersunk screw holes 2 and a positioning pin hole 3; In rail body 1, the side residing for counterbore of countersunk screw holes 2 and adjacent with this side two sides are working surface, and a remaining side is non-working surface; The opposite side of center line is provided with positioning spline 5, and described positioning spline 5 is arranged on the end of rail body 1, and positioning spline 5 forms open opening in the end of rail body 1, and positioning spline 5 is arranged on the non-working surface of rail body 1.
Described positioning spline 5 comprises one, and positioning spline 5 is distributed in the left end of described rail body 1.
The angle of inclination on described linking inclined-plane 4 is between 30 °-60 °.The angle of inclination being connected inclined-plane 4 effectively can increase linking inclined-plane 4 area of contact between 30 °-60 °, avoids the drawback of angle too small or excessive not easily processing and the contact that bring simultaneously.
The diameter of described countersunk screw holes 2 is 1/4 of rail body 1 width, and the diameter of described positioning pin hole 3 is 1/2 of countersunk screw holes 2 nominal diameter, avoids the impact of machining hole on rail body 1.
The length of described positioning spline 5 is not less than the twice of described linking inclined-plane 4 horizontal projection length, and the width of positioning spline 5 is the 1/3-1/2 of rail body 1 center line side width, and the thickness of positioning spline 5 is the 1/4-1/3 of rail body 1 thickness.Rail body 1 local strength is caused to reduce after such ratio setting effectively can avoid increasing positioning spline 4.
Embodiment two:
As shown in Figure 5-Figure 8, the difference of the present embodiment and embodiment one is: positioning spline 5 is distributed in the right-hand member of described rail body 1.
Embodiment three:
As shown in Fig. 9-Figure 12, the difference of the present embodiment and above-described embodiment is: described positioning spline 5 comprises two, and two positioning splines 5 are distributed in the two ends of described rail body 1 respectively.
Rail body 1 is each individuality of composition guide rail assembling, and basic boundary dimension is consistent, the end to end convergence composition guide rail assembling of every section of rail body 1.The length inspection of guide rail is repaiied conveniently, easy processing and determining.
During mounting guide rail, linking guide rail is spliced in linking inclined-plane 4, after linking inclined-plane 4 docks, positioning spline 5 in two rail body connected 1 aligns the complete keyway of formation one, positioning key can be installed in two-part positioning spline 5, then progressively by positioning pin hole 3 expansion pin location, high-strength hexagon socket-head bolt be installed in countersunk screw holes 2 and fix, through the support body that guide rail depends on, with double nut tightly namely completing installation.Be connected with upper rail for two sections, by that analogy, joining place is consistent with two sections of linking principles.Rail body 1 in embodiment one and embodiment two is provided with a positioning spline 5, and should be used as end rail, rail body 1 two ends in embodiment three are provided with positioning spline 5, are connected between embodiment one and embodiment two.
At the joining place of sectional guide rail, non-working surface increases positioning spline 5, positioning spline 5 is positioned at lower half portion that CB is installed in guide rail side, and width control system is 1/3-1/2 below rail-sides dress CB, and THICKNESS CONTROL overlooks the 1/4-1/3 of thickness after rail-sides dress.Cause guide rail local strength to reduce after such ratio setting effectively can avoid increasing keyway, keyway is positioned at below center line, and object is to prevent keyway and key and fixing countersunk screw holes 2 and positioning pin hole 3 from interfering.Involutory rear positioning spline 5, key are and overlook rectangular.Key should 2-3mm less of positioning spline 5 length, because need the thermal expansion coefficient considering that key bar material difference causes, but thermal expansion coefficient uses not impact to side, and the side direction surface of contact of key and positioning spline 5 meets Standard.Key thickness equals positioning spline 5 degree of depth.
As Figure 13, countersunk screw holes 2 and positioning pin hole 3 are through hole, and the installation for rail body 1 is located, and the location countersunk screw of sectional guide rail and the uniform processing of location expansion pin, be arranged in same level.Location countersunk screw adopts high-strength countersunk bolt, and pairs of anti-loose nut.Under guarantee installation and repairing easily prerequisite, preferentially select major diameter countersunk screw, for avoiding machining hole on the impact of guide rail, countersunk screw diameter is 1/4 of side dress rear rail plan view width, mounting point is positioned at more than side dress center line of guide rail, preferentially bears travelling mechanism gravity.Location expansion pin is distributed in countersunk screw the same side.Positioning pin hole 3 diameter is countersunk screw nominal diameter 1/2.Location expansion pin and cylinder type hollow body, wall thickness is not less than 1/10 of positioning pin hole.
Rail body 1 requirement on machining accuracy is high, and processing after-baking should be considered to reduce alignment error as far as possible.
As far as possible near machining high-precision requirement, reduce the cooperation impact that heat treatment brings as far as possible.
Before mounting guide rail, synchronously should consider the access opening of support body, to facilitate installation and maintenance.
Before installing sectional guide rail, check key coordinates in keyway, and key is connected guide rail after installing can be considered as one section.
Key must not exceed keyway, so as not to affect guide rail be pressed against effect.
"left", "right" of the present utility model be for convenience of description and adopt relative position, can not be interpreted as absolute position form to restriction of the present utility model.
The foregoing is only preferred embodiment of the present utility model; be not whole 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 of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Except technical characteristics described in specification, all the other technical characteristicss are those skilled in the art's known technology, in order to outstanding innovative characteristics of the present utility model, do not repeat them here.
Claims (6)
1. three surface of contact sectional guide rails, is characterized in that, comprise the rail body of strip, and the cross section of rail body is rectangle, the end face at rail body two ends be the linking inclined-plane of inclination and two be connected inclined-planes and be parallel to each other; In rail body, the side of center line is uniformly distributed with guide rail fixing structure side by side, and each group guide rail fixing structure comprises a countersunk screw holes and a positioning pin hole; In rail body, the side residing for counterbore of countersunk screw holes and adjacent with this side two sides are working surface, and a remaining side is non-working surface; The opposite side of center line is provided with positioning spline, and described positioning spline is arranged on the end of rail body, and positioning spline forms open opening in the end of rail body, and positioning spline is arranged on the non-working surface of rail body.
2. a kind of three surface of contact sectional guide rails according to claim 1, it is characterized in that, described positioning spline comprises one, and positioning spline is distributed in any one end of described rail body.
3. a kind of three surface of contact sectional guide rails according to claim 1, it is characterized in that, described positioning spline comprises two, and two positioning splines are distributed in the two ends of described rail body respectively.
4. the one three surface of contact sectional guide rail according to Claims 2 or 3, it is characterized in that, the angle of inclination on described linking inclined-plane is between 30 °-60 °.
5. a kind of three surface of contact sectional guide rails according to claim 4, it is characterized in that, the diameter of described countersunk screw holes is 1/4 of rail body width, and the diameter of described positioning pin hole is 1/2 of countersunk screw holes nominal diameter.
6. a kind of three surface of contact sectional guide rails according to claim 5, it is characterized in that, the length of described positioning spline is not less than the twice of described linking slope level projected length, the width of positioning spline is the 1/3-1/2 of rail body center line side width, and the thickness of positioning spline is the 1/4-1/3 of rail body thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438718.9U CN204716756U (en) | 2015-06-24 | 2015-06-24 | A kind of three surface of contact sectional guide rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438718.9U CN204716756U (en) | 2015-06-24 | 2015-06-24 | A kind of three surface of contact sectional guide rails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204716756U true CN204716756U (en) | 2015-10-21 |
Family
ID=54315758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520438718.9U Expired - Fee Related CN204716756U (en) | 2015-06-24 | 2015-06-24 | A kind of three surface of contact sectional guide rails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204716756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976229A (en) * | 2015-06-24 | 2015-10-14 | 山东钢铁股份有限公司 | Three-contact-surface segmented guide rail |
-
2015
- 2015-06-24 CN CN201520438718.9U patent/CN204716756U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976229A (en) * | 2015-06-24 | 2015-10-14 | 山东钢铁股份有限公司 | Three-contact-surface segmented guide rail |
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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 |
Granted publication date: 20151021 Termination date: 20170624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |