CN210450404U - Roof head structure of middle beam hydraulic straightening machine - Google Patents
Roof head structure of middle beam hydraulic straightening machine Download PDFInfo
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- CN210450404U CN210450404U CN201921109346.XU CN201921109346U CN210450404U CN 210450404 U CN210450404 U CN 210450404U CN 201921109346 U CN201921109346 U CN 201921109346U CN 210450404 U CN210450404 U CN 210450404U
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Abstract
The utility model discloses a centre sill hydraulic straightening machine top structure, which comprises a hydraulic straightening machine base, wherein a top matched with a centre sill is arranged above the base; the top comprises a middle beam upper plane top arranged in the middle above the base, and middle beam lower plane tops arranged on two sides of the middle beam upper plane top in a mirror image mode; the width of the top of the upper plane of the middle beam is smaller than that of the inner wall of the web plate of the middle beam, a vertical through hole is formed in the middle beam, the through hole is connected with the upper end of a positioning support rod through an A spring, and the lower end of the positioning support rod is provided with an electromagnetic limit switch; when the length of the spring A is the original length, the upper surface of the positioning support rod is higher than the upper surface of the top of the upper plane of the middle beam, and the positioning support rod is not in contact with the electromagnetic limiter switch; when the length of the spring A is in a compressed state, the upper surface of the positioning support rod is parallel to the upper surface of the top of the upper plane of the middle beam, the positioning support rod is in contact with the electromagnetic limiter switch, and the electromagnetic limiter switch starts the electromagnetic limiter.
Description
Technical Field
The utility model belongs to the levelling machine top field relates to a well roof beam hydraulic pressure levelling machine top structure.
Background
The middle beam is an important component of the truck, if the truck body is compared with the body of a person, the middle beam is the ridge beam of the person, and the quality of the middle beam directly influences the assembly of the truck chassis and the upper part of the truck. Therefore, the center sill straightening process is particularly important.
The truck center sill is formed by butt joint of the B-shaped steel, and the size of the B-shaped steel has great influence on the later quality of the center sill. The standard size of the B-shaped steel is a normal wagon center sill after butt joint, and as shown in figure 1, certain tolerance exists between the included angle between the upper plane of the center sill and the web plate and the included angle between the lower plane of the center sill and the web plate. After the section steel straightening process, the included angle of part of the Z-shaped steel can exceed the tolerance range. When the deflection of the middle beam is prefabricated, two ends of the middle beam are fixed, the middle beam is jacked upwards by the hydraulic straightening machine of the middle beam in the middle, and at the moment, an included angle exceeding a tolerance range can cause unqualified deformation of the middle beam, and as shown in figures 2-3, a web plate of the middle beam can be expanded or twisted. The main reason for the unqualified deformation is caused by the fact that the top head of the hydraulic center sill straightening machine only contacts the lower plane of the center sill. When the deflection of the center sill is prefabricated, the top continuously rises, the top is firstly contacted with the lower plane of the center sill, and when the included angle between the center sill web plate and the lower plane and the upper plane of the center sill is within the tolerance range, the pressure on the lower plane of the center sill can be effectively transmitted to the upper plane of the center sill through the center sill web plate. However, when the included angle is out of the tolerance range, due to the increase of the moment, the middle beam web generates a very large torsion force, and the middle beam web is distorted and deformed.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a well roof beam hydraulic pressure unscrambler top head structure has solved the not enough of above-mentioned problem.
The utility model adopts the technical scheme as follows:
a roof structure of a hydraulic straightening machine for a center sill comprises a base of the hydraulic straightening machine, and a roof matched with the center sill is arranged above the base; the top comprises a middle beam upper plane top arranged in the middle above the base, and middle beam lower plane tops arranged on two sides of the middle beam upper plane top in a mirror image mode;
the width of the top of the upper plane of the middle beam is smaller than that of the inner wall of the web plate of the middle beam, a vertical through hole is formed in the middle beam, the through hole is connected with the upper end of a positioning support rod through an A spring, and an electromagnetic limit switch is arranged at the lower end of the positioning support rod; when the length of the spring A is the original length, the upper surface of the positioning support rod is higher than the upper surface of the top of the upper plane of the middle beam, and the positioning support rod is not in contact with the electromagnetic limiter switch; when the length of the spring A is in a compressed state, the upper surface of the positioning support rod is parallel to the upper surface of the top of the upper plane of the middle beam, the positioning support rod is contacted with the electromagnetic limiter switch, and the electromagnetic limiter switch starts the electromagnetic limiter;
the upper end of the middle beam lower plane top is connected with the middle beam upper plane top through a spring B, and when the length of the spring B is the original length, the upper surface of the middle beam lower plane top is higher than that of the middle beam upper plane top; when the length of the spring B is in a compressed state, the upper surface of the lower plane top of the middle beam is parallel to or lower than the upper surface of the upper plane top of the middle beam; straight tooth grooves are formed in two sides of the lower end of the middle beam lower plane top, matched limiting gears are arranged at the straight tooth grooves at the lower end, and the limiting gears are connected with an electromagnetic limiter.
The utility model discloses a solve when the precast deflection of center sill, the top constantly rises, what at first contacted is plane under the center sill, when plane and center sill on planar contained angle were in the tolerance range under center sill web and the center sill, the pressure that receives on the plane can be through the effectual plane of transmitting to the center sill of center sill web under the center sill. When the included angle exceeds the tolerance range, the middle beam web plate can generate very large torsion due to the increase of the moment, so that the middle beam web plate is distorted and deformed;
specifically, the method comprises the following steps: the original fixed top structure is disassembled, and a middle beam upper plane top and a middle beam lower plane top are respectively designed, as shown in fig. 4-5. The width of the plane top on the middle beam is slightly narrower than the width of the inner wall of the web plate of the middle beam, and the two ends of the plane top are rounded off, so that the plane top on the middle beam can conveniently enter the inner wall of the web plate of the middle beam, the center of the upper surface of the plane top on the middle beam is provided with a downward opening round hole to a certain depth, and then the key-equipped round hole is opened, the depth is increased to the lower surface, so that the positioning support rod can be inserted, and the positioning support rod can be ensured to freely move along the vertical. A spring A is added between the positioning support rod and the upper plane top of the middle beam, so that the upper plane of the positioning support rod is slightly higher than the upper surface of the upper plane top of the middle beam.
The plane top under the centre sill is the square column structure that can independently move, adds the B spring between its and the plane top on the centre sill, guarantees that the plane top under the centre sill is under the circumstances of not atress, is a little higher than 186 top planes. Straight tooth grooves are formed in two sides of the lower end of the middle beam lower plane top, and the middle beam lower plane top can move freely in the vertical direction through a limiting gear.
Further as a preferred scheme: the middle position of the central shaft of the positioning support rod is provided with a hole and connected with the positioning pin, and the bottom of the positioning support rod is provided with a rubber sleeve. The middle position of the central shaft of the positioning support rod is provided with a hole, a support rod positioning pin is inserted, the positioning support rod is prevented from rotating, the positioning support rod cannot be blocked from moving along the vertical direction, and the tail end of the positioning support rod is protected by a rubber sleeve.
Further as a preferred scheme: the electromagnetic limiter is positioned on the partition board in the middle of the inside of the base. The electromagnetic limiter is placed on an intermediate partition board in the box body, keeps positions on two sides of the straight tooth grooves of the plane top under the middle beam, keeps normally open when not working, and does not block free movement of the plane top under the middle beam. When the locating support rod is compressed to the upper surface of the locating support rod and the upper surface level of the plane top on the middle beam, the tail end of the locating support rod just touches an electromagnetic limit switch, the electromagnetic limit switch starts to work, the electromagnetic force is utilized, the plane top under the middle beam is clamped instantly, and the relative position of the plane top under the middle beam and the plane top on the middle beam is fixed.
Further as a preferred scheme: the upper surface of the positioning support rod is provided with a groove along the longitudinal center line. The upper surface of the positioning support rod is provided with a groove along the longitudinal central line, the untight contact between the upper surface of the positioning support rod and the upper plane of the middle beam caused by the height of the welding seam of the middle beam to the cylinder is avoided,
further as a preferred scheme: the electromagnetic limiter comprises a left electromagnetic limiter and a right electromagnetic limiter, the left and right sides of the electromagnetic limiter are symmetrically arranged, and the left electromagnetic limiter and the right electromagnetic limiter are controlled by an electromagnetic limiter switch.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in compare with current fixed top structure, through designing into the well roof beam plane under with well roof beam hydraulic pressure levelling machine top and well roof beam on the plane two top structure, the even distribution of pressure that will well roof beam bore is on the plane under the well roof beam of well roof beam plane and well roof beam on, can effectively alleviate because pressure too concentrates on the well roof beam web that well roof beam plane leads to expand outward and the distortion, has improved well roof beam in the prefabricated amount of deflection in-process shaping quality effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic view of a normal truck center sill structure;
FIG. 2 is a schematic view of a beam web flaring structure in an unqualified truck;
FIG. 3 is a schematic view of a distortion structure of a beam web in an unqualified truck;
FIG. 4 is a schematic structural view of the center sill hydraulic straightening machine plug of the present invention;
FIG. 5 is a schematic view of the left/right electromagnetic valve stopper of the present invention;
FIG. 6 is an initial state diagram of upward movement of the center sill hydraulic straightening machine plug of the present invention;
FIG. 7 is a diagram showing the end state of upward movement of the center sill hydraulic straightening machine plug of the present invention;
FIG. 8 is an initial state diagram of the upward movement of the plug when the prefabricated deflection of the center sill is at the position of the partition plate;
FIG. 9 is a diagram showing the state of the stopping state of the upward movement of the plug when the deflection of the center sill is at the position of the partition board;
the labels in the figure are: 1-center sill upper plane top, 2-positioning support rod, 3-A spring, 4-positioning pin, 5-center sill lower plane top, 6-B spring, 7-limit gear, 8-clapboard, 9-electromagnetic limit switch, 10-left electromagnetic limit, 11-right electromagnetic limit, 101-center sill upper plane, and 501-center sill lower plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
A centre sill hydraulic straightening machine centre sill structure solves the problem that when the centre sill is prefabricated to deflect, a centre sill rises continuously, the centre sill lower plane is contacted with the centre sill first, and when an included angle between a centre sill web plate and the centre sill lower plane and between the centre sill upper plane is within a tolerance range, pressure applied to the centre sill lower plane can be effectively transmitted to the centre sill upper plane through the centre sill web plate. However, when the included angle is beyond the tolerance range, the central beam web generates very large torsion due to the increase of the moment, and the problem of distortion of the central beam web is caused.
Specifically, the method comprises the following steps: a roof structure of a hydraulic straightening machine for a center sill comprises a base of the hydraulic straightening machine, and a roof matched with the center sill is arranged above the base; the top comprises a middle beam upper plane top 1 arranged in the middle above the base, and middle beam lower plane tops 5 arranged at two sides of the middle beam upper plane top 1 in a mirror image manner; the width of the upper plane top 1 of the middle beam is smaller than that of the inner wall of the web plate of the middle beam, a vertical through hole is formed in the middle beam, the through hole is connected with the upper end of a positioning supporting rod 2 through an A spring 3, and the lower end of the positioning supporting rod 2 is provided with an electromagnetic limit switch 9; when the length of the spring A3 is original length, the upper surface of the positioning support rod 2 is higher than the upper surface of the plane top 1 on the middle beam, and the positioning support rod 2 is not contacted with the electromagnetic limit switch 9; when the length of the spring A3 is in a compressed state, the upper surface of the positioning support rod 2 is parallel to the upper surface of the plane top 1 on the middle beam, the positioning support rod 2 is in contact with the electromagnetic limit switch 9, and the electromagnetic limit switch 9 starts the electromagnetic limit; the upper end of the middle beam lower plane top 5 is connected with the middle beam upper plane top 1 through a B spring 6, and when the length of the B spring 6 is the original length, the upper surface of the middle beam lower plane top 5 is higher than the upper surface of the middle beam upper plane top 1; when the length of the spring B6 is in a compressed state, the upper surface of the middle beam lower plane plug 5 is parallel to or lower than the upper surface of the middle beam upper plane plug 1; two sides of the lower end of the middle beam lower plane top 5 are provided with straight tooth grooves, the lower end straight tooth grooves are provided with matched limiting gears 7, and the limiting gears 7 are connected with an electromagnetic limiter.
When in work: by adopting the structure, compared with the existing fixed top head structure, the top head of the hydraulic center sill straightening machine is designed into a double-top head structure with the center sill lower plane and the center sill upper plane, the pressure born by the center sill is uniformly distributed on the center sill lower plane and the center sill upper plane of the center sill, the outward expansion and distortion of a center sill web plate caused by the fact that the pressure is too concentrated on the center sill lower plane can be effectively relieved, and the forming quality of the center sill in the process of prefabricating deflection is effectively improved.
The features and properties of the present invention will be described in further detail with reference to the following examples.
Example one
The utility model discloses preferred embodiment provides a pair of well roof beam hydraulic pressure correction machine top structure, 2 center pin intermediate positions of location branch set up the trompil and connect locating pin 4, and 2 bottoms of location branch set up the rubber sleeve. The electromagnetic stopper is positioned on the partition plate 8 in the middle of the inside of the base. The upper surface of the positioning support rod 2 is provided with a groove along the longitudinal center line. The electromagnetic stopper includes a left electromagnetic stopper 10 and a right electromagnetic stopper 11.
When in work: as shown in figures 6-7, the centre sill hydraulic straightening machine pushes the improved top head to move upwards, and the middle sill lower plane top head 5 is firstly contacted with the centre sill, and at the moment, because the left electromagnetic stopper 10 and the right electromagnetic stopper 11 are in a non-working state, the middle sill lower plane top head 5 can not ascend with the middle sill upper plane top head 1, but keeps a fixed position with the middle sill lower plane 501. As the centre sill upper plane plug 1 continues to rise, the B spring 6 below the centre sill lower plane plug 5 is gradually compressed. Then, the upper plane of the positioning strut 2 is firstly contacted with the upper plane 101 of the middle beam, the position of the positioning strut 2 and the middle beam is kept unchanged, and the lower A spring 3 is compressed. The plane top 1 on the middle beam continuously rises, and the distance between the lower end of the positioning support rod 2 and the electromagnetic limit switch 9 is gradually reduced. When the plane top 1 on the centre sill contacts with the plane 101 on the centre sill, the lower end of the positioning support rod 2 just touches the electromagnetic limit switch 9, the left electromagnetic limit 10 and the right electromagnetic limit 11 start to work simultaneously, the plane top 5 under the centre sill is locked immediately, and the relative position of the plane top 1 on the centre sill and the plane top 5 under the centre sill is fixed. The middle beam hydraulic straightening machine continues to push the top head device to move upwards, the middle beam upper plane top head 1 and the middle beam lower plane top head 5 simultaneously exert pressure on the middle beam, and the middle beam begins to prefabricate deflection. After the deflection prefabrication is finished, the hydraulic straightening machine of the middle beam begins to descend, when the upper plane top head 1 of the middle beam is separated from the upper plane 101 of the middle beam, the lower end of the positioning support rod 2 is also separated from the electromagnetic limit switch 9, the two electromagnetic limit switches stop working, and the lower plane top head 5 of the middle beam is loosened. When the center sill lower plane top 5 is separated from the center sill lower plane 501, the center sill hydraulic straightening machine can move to the next prefabricated deflection position to perform a new round of deflection prefabrication.
Example two
The embodiment is based on the first embodiment, and the position of the precast deflection of the center sill is just at the connection position of the diaphragm of the center sill.
When in work: as shown in fig. 8-9: along with the rising of the hydraulic straightening machine, the upper plane of the positioning support rod 2 firstly contacts the lower surface of the joint of the middle beam partition plate, then the lower plane top head 5 of the middle beam contacts the lower surface, finally the upper plane top head 1 of the middle beam contacts the lower surface, at the moment, the lower end of the positioning support rod 2 just contacts the electromagnetic limit switch 9, the electromagnetic limit switch 9 starts to work, the lower plane top head 5 of the middle beam is immediately locked, the relative position of the upper plane top head 1 of the middle beam and the lower plane top head 5 of the middle beam is fixed, the lower plane top head 5 of the middle beam and the upper plane top head 1 of the middle beam are on the same plane, the middle beam is pressed, and the deflection is prefabricated. Because the center sill is internally supported by the center sill clapboard, the center sill web plate can not deform in the process of prefabricating deflection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A roof structure of a hydraulic straightening machine for a center sill comprises a base of the hydraulic straightening machine, and a roof matched with the center sill is arranged above the base;
the method is characterized in that: the top comprises a middle beam upper plane top (1) arranged in the middle above the base, and middle beam lower plane tops (5) arranged on two sides of the middle beam upper plane top (1) in a mirror image manner;
the width of the upper plane top (1) of the middle beam is smaller than that of the inner wall of the web plate of the middle beam, a vertical through hole is formed in the middle beam, the through hole is connected with the upper end of a positioning supporting rod (2) through an A spring (3), and the lower end of the positioning supporting rod (2) is provided with an electromagnetic limit switch (9); when the length of the spring A (3) is the original length, the upper surface of the positioning support rod (2) is higher than the upper surface of the plane top head (1) on the middle beam, and the positioning support rod (2) is not contacted with the electromagnetic limit switch (9); when the length of the spring A (3) is in a compressed state, the upper surface of the positioning support rod (2) is parallel to the upper surface of the plane top head (1) on the middle beam, the positioning support rod (2) is contacted with an electromagnetic limiter switch (9), and the electromagnetic limiter switch (9) starts an electromagnetic limiter;
the upper end of the middle beam lower plane top (5) is connected with the middle beam upper plane top (1) through a B spring (6), and when the length of the B spring (6) is the original length, the upper surface of the middle beam lower plane top (5) is higher than that of the middle beam upper plane top (1); when the length of the spring B (6) is in a compressed state, the upper surface of the middle beam lower plane top (5) is parallel to or lower than the upper surface of the middle beam upper plane top (1); the lower end of the middle beam lower plane top (5) is provided with a straight tooth groove on two sides, the lower end of the straight tooth groove is provided with a matched limit gear (7), and the limit gear (7) is connected with an electromagnetic limiter.
2. The roof structure of hydraulic straightening machine of the middle beam as claimed in claim 1, characterized in that: the middle position of the central shaft of the positioning support rod (2) is provided with a hole and connected with the positioning pin (4), and the bottom of the positioning support rod (2) is provided with a rubber sleeve.
3. The roof structure of hydraulic straightening machine of the middle beam as claimed in claim 1, characterized in that: the electromagnetic limiter is positioned on a partition plate (8) in the middle of the inside of the base.
4. The roof structure of hydraulic straightening machine of the middle beam as claimed in claim 1, characterized in that: the upper surface of the positioning support rod (2) is provided with a groove along the longitudinal central line.
5. The roof structure of hydraulic straightening machine of the middle beam as claimed in claim 1, characterized in that: the electromagnetic limiter comprises a left electromagnetic limiter (10) and a right electromagnetic limiter (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921109346.XU CN210450404U (en) | 2019-07-16 | 2019-07-16 | Roof head structure of middle beam hydraulic straightening machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921109346.XU CN210450404U (en) | 2019-07-16 | 2019-07-16 | Roof head structure of middle beam hydraulic straightening machine |
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| CN210450404U true CN210450404U (en) | 2020-05-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227743A (en) * | 2019-07-16 | 2019-09-13 | 西南石油大学 | A kind of central sill hydraulic straightening machine top structure |
| CN113147067A (en) * | 2021-04-12 | 2021-07-23 | 西南石油大学 | Metal bipolar plate hydraulic forming machine for proton exchange membrane fuel cell |
| CN116572091A (en) * | 2023-05-19 | 2023-08-11 | 西南石油大学 | Clean polishing and grinding treatment equipment for oil gas drilling and production tool before laser repair |
-
2019
- 2019-07-16 CN CN201921109346.XU patent/CN210450404U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227743A (en) * | 2019-07-16 | 2019-09-13 | 西南石油大学 | A kind of central sill hydraulic straightening machine top structure |
| CN113147067A (en) * | 2021-04-12 | 2021-07-23 | 西南石油大学 | Metal bipolar plate hydraulic forming machine for proton exchange membrane fuel cell |
| CN116572091A (en) * | 2023-05-19 | 2023-08-11 | 西南石油大学 | Clean polishing and grinding treatment equipment for oil gas drilling and production tool before laser repair |
| CN116572091B (en) * | 2023-05-19 | 2024-01-23 | 西南石油大学 | Clean polishing and grinding treatment equipment for oil gas drilling and production tool before laser repair |
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