CN214653018U - Tight device in top of inclined plane self-adaptation lead screw - Google Patents
Tight device in top of inclined plane self-adaptation lead screw Download PDFInfo
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- CN214653018U CN214653018U CN202023036067.0U CN202023036067U CN214653018U CN 214653018 U CN214653018 U CN 214653018U CN 202023036067 U CN202023036067 U CN 202023036067U CN 214653018 U CN214653018 U CN 214653018U
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Abstract
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw includes: the device comprises a screw rod, a nut and a jacking head, wherein the nut is screwed into the screw rod, the outer circumference of the nut is fixed on a fixed object and moves along a chute of the fixed object, the jacking head is arranged at the end part of the screw rod, and the jacking device of the inclined self-adaptive screw rod further comprises: the ball hinge joint, the connecting rod, the round pin axle, slider and slide, the front end of lead screw is the ball hinge joint, the tight head in top is adorned on the ball hinge joint, the tight head in top can be for the slope of ball hinge joint, the connecting rod is the upset L type connecting rod of constituteing by mutually perpendicular's montant and horizontal pole, the one end of montant is fixed with the tight head in top and top, the horizontal pole is arranged in the top or below of lead screw, the horizontal pole is parallel with the lead screw, it has the spout to open on the horizontal pole, the round pin axle is equipped with in the spout, the round pin axle removes along the spout, be fixed with the slider respectively at the upper end and the lower extreme of round pin axle, above-mentioned slider slides on the slide.
Description
Technical Field
The utility model relates to a top tight device, in particular to top tight device of slope self-adaptation lead screw.
Background
When the pier body of a large-scale bridge is hoisted, the lifting appliance needs to be sleeved into the pier body, then the pier body is tightly jacked by a lead screw of the lifting appliance, so that the pier body and the lifting appliance are approximately formed into a whole, the cross section of the pier body is sometimes an inclined plane, and because of space and processing reasons, a jacking mechanism cannot be arranged in parallel with the inclined plane of the pier body, if the lead screw is directly jacked, a jacking head is in eccentric line contact with the inclined plane, and the stress is not stable as surface contact. At the moment, the head of the screw rod needs to deflect a certain angle along with the head of the screw rod, so that the jacking plane is matched with the inclined plane. Can design into bulb articulated form with the lead screw end, nevertheless the head can rotate along with the lead screw, and because the phenomenon of certain angle of head downward swing appears in the reason of articulated joint dead weight, lead to the unable normal top of tight mechanism in lead screw top tightly, have the potential safety hazard.
Disclosure of Invention
The invention aims to solve the problem of head pricking of a spherical hinged end driven by a lead screw, and provides a jacking device of a slope self-adaptive lead screw, which can realize that the jacking head automatically swings by a certain angle to be adapted to the slope of a pier body.
In order to accomplish the object of the present invention, the present invention adopts the following technical solutions:
the utility model discloses a tight device in top of inclined plane self-adaptation lead screw, it includes: lead screw, nut and top tight head, on the nut screw in lead screw, the outer periphery of nut is fixed on the fixture to remove along the spout of fixture, the end at the lead screw is adorned to the top tight head, wherein: the jacking device of the inclined self-adaptive lead screw further comprises: the ball hinge joint, the connecting rod, the round pin axle, slider and slide, the front end of lead screw is the ball hinge joint, the tight head in top is adorned on the ball hinge joint, the tight head in top can be for the slope of ball hinge joint, the connecting rod is the upset L type connecting rod of constituteing by mutually perpendicular's montant and horizontal pole, the one end of montant is fixed with the tight head in top and top, the horizontal pole is arranged in the top or below of lead screw, the horizontal pole is parallel with the lead screw, it has the spout to open on the horizontal pole, the round pin axle is equipped with in the spout, the round pin axle removes along the spout, be fixed with the slider respectively at the upper end and the lower extreme of round pin axle, above-mentioned slider slides on the slide.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw, wherein: the ball joint is a spherical surface.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw, wherein: the slideway is arranged above or below the lead screw and is vertical to the lead screw.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw, wherein: the puller head comprises: the rear plate and the front plate are fixed at the rear end and the front end of the jacking cavity respectively, one end of the vertical rod is fixed with the jacking cavity, and the jacking cavity can be inclined relative to the ball joint.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw, wherein: the tight chamber in top is the cavity that suits with ball joint.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw, wherein: the sliding grooves are arranged in parallel along the length direction of the cross bar.
The utility model discloses a tight device in top of inclined plane self-adaptation lead screw compares with the tight device in current top, has following advantage:
1. the utility model discloses a tight device in top of inclined plane self-adaptation lead screw belongs to pure mechanical mechanism, and manufacturing cost and operation maintenance cost are low.
2. The utility model discloses a tight device in top of inclined plane self-adaptation lead screw can solve the first phenomenon of pricking of the spherical articulated end of screw drive on the tight inclined plane in top, and the tight first automatic certain angle of swing and inclined plane self-adaptation in top.
3. The utility model discloses a tight device in top of inclined plane self-adaptation lead screw can realize the tight head in top and the complete identical atress on inclined plane, and the security is higher.
Drawings
Fig. 1 is a schematic forward view of the tightening device of the slope self-adaptive screw rod of the present invention;
fig. 2 is a schematic top view of the tightening device of the slope adaptive screw according to the present invention, in which the screw is broken and the nut and the fixture are removed for clarity.
In fig. 1 and 2, reference numeral 1 is a chute; the reference number 2 is a pin shaft; reference numeral 3 is a slider; reference numeral 4 is a slide; reference numeral 5 is a connecting rod; reference numeral 6 is a nut; reference numeral 7 is a fixture; reference numeral 8 is a lead screw; reference numeral 9 is a rear plate; reference numeral 10 is a puller; reference numeral 11 is a front plate; reference numeral 12 is a tightening cavity; reference numeral 13 is a ball joint; the numeral 14 is a pier body; reference numeral 15 is a vertical bar; reference numeral 16 is a cross bar.
Detailed Description
As shown in fig. 1 and fig. 2, the tightening device of the slope self-adaptive lead screw of the present invention comprises: the screw 8, the nut 6, the puller head 10, the ball hinge 13, the connecting rod 5, the pin shaft 2, the slider 3 and the slide 4, the nut 6 is screwed into the screw 8, the outer circumference of the nut 6 is fixed on the fixture 7 and moves along the chute of the fixture 7, the puller head 10 is arranged at the end part of the screw 8, the front end of the screw 8 is the ball hinge 13, and the ball hinge 13 is a spherical surface. The head 10 is mounted on a ball joint 13, the head 10 being tiltable relative to the ball joint 13, the head 10 comprising: rear plate 9, the tight chamber 12 in top and front bezel 11, rear plate 9 and front bezel 11 are fixed respectively at the rear end and the front end in the tight chamber 12 in top, and the one end of montant 15 is fixed with the tight chamber 12 in top, and the tight chamber 12 in top can incline for ball joint 13, and the tight chamber 12 in top is the cavity that suits with ball joint 13.
As shown in fig. 1 and 2, the connecting rod 5 is an inverted L-shaped connecting rod composed of a vertical rod 15 and a horizontal rod 16 which are perpendicular to each other, one end of the vertical rod 15 is fixed with the tightening head 10, the horizontal rod 16 is arranged above or below the screw rod 8, the horizontal rod 16 is parallel to the screw rod 8, a sliding groove 1 is formed in the horizontal rod 16, a pin shaft 2 is installed in the sliding groove 1, the pin shaft 2 moves along the sliding groove 1, and the sliding groove 1 is a sliding groove which is arranged in parallel along the length direction of the horizontal rod 16. The upper end and the lower end of the pin shaft 2 are respectively fixed with a slide block 3, and the slide blocks 3 slide on a slide way 4. The slideway 4 is arranged above or below the lead screw 8 and is perpendicular to the lead screw 8.
As shown in fig. 2, in the use of the tightening device of the self-adaptive inclined lead screw of the present invention, when the pier body 14 is an inclined plane, the lead screw 8 rotates the end of the ball joint 13, and the tightening head 10 is provided with the connecting rod 5 and the slider 3, so that the end of the ball joint 13 can neither rotate nor deflect downwards, but can swing along with the tightening head 10 in the horizontal plane by a certain angle and be self-adaptive to the tightened inclined plane.
As shown in fig. 1, the rotary nut 6 can stretch out and draw back the tightening screw 8, the tightening head 10 is connected with the connecting rod 5, the connecting rod 5 moves along with the tightening head 10, the connecting rod 5 can do reciprocating translational motion along with the tightening head 10 and can also rotate around the pin shaft 2, and the connecting rod 5 enables the tightening head 10 to neither rotate nor deflect downwards by an angle.
After the puller head 10 is contacted with the inclined plane of the pier body 14, the ball joint 13 enables the puller head 10 to automatically deflect to form surface contact with the inclined plane of the pier body 14 under the action of the puller external force of the screw rod 8. The puller head 10 drives the connecting rod 5 to deflect by a certain angle, and the connecting rod 5 drives the sliding block 3 to move by a certain distance along the slideway 4 through the pin shaft 2, so that the sliding block 3 adapts to the deflection angle of the connecting rod 5.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. A jacking device of a slope self-adaptive screw rod comprises: lead screw (8), nut (6) and tight head (10) in top, on nut (6) screw in lead screw (8), the outer periphery of nut (6) is fixed on fixture (7) to remove along the spout of fixture (7), the tip at lead screw (8), its characterized in that are adorned to tight head (10) in top: the jacking device of the inclined self-adaptive lead screw further comprises: ball hinge (13), connecting rod (5), round pin axle (2), slider (3) and slide (4), the front end of lead screw (8) is ball hinge (13), tight head (10) in top is adorned on ball hinge (13), tight head (10) in top can be for ball hinge (13) slope, connecting rod (5) are the upset L type connecting rod of constituteing by mutually perpendicular's montant (15) and horizontal pole (16), the one end of montant (15) is fixed with tight head (10) in top, horizontal pole (16) are arranged in the top or the below of lead screw (8), horizontal pole (16) are parallel with lead screw (8), it has spout (1) to open on horizontal pole (16), round pin axle (2) are equipped with in spout (1), round pin axle (2) move along spout (1), be fixed with slider (3) respectively at the upper end and the lower extreme of round pin axle (2), above-mentioned slider (3) slide on slide (4).
2. The tightening device of a slant adaptive screw according to claim 1, wherein: the ball joint (13) is a spherical surface.
3. The tightening device of a slant adaptive screw according to claim 2, wherein: the slideway (4) is arranged above or below the lead screw (8) and is vertical to the lead screw (8).
4. The tightening device of a slant adaptive screw according to claim 3, wherein: the head (10) comprises: the rear plate (9), the jacking cavity (12) and the front plate (11) are fixed at the rear end and the front end of the jacking cavity (12) respectively, one end of the vertical rod (15) is fixed with the jacking cavity (12), and the jacking cavity (12) can be inclined relative to the ball joint (13).
5. The tightening device of a slant adaptive screw according to claim 4, wherein: the tight chamber in top (12) is the cavity that suits with ball hinge (13).
6. The tightening device of a slant adaptive screw according to claim 5, wherein: the sliding grooves (1) are arranged in parallel along the length direction of the cross rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036067.0U CN214653018U (en) | 2020-12-16 | 2020-12-16 | Tight device in top of inclined plane self-adaptation lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036067.0U CN214653018U (en) | 2020-12-16 | 2020-12-16 | Tight device in top of inclined plane self-adaptation lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653018U true CN214653018U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023036067.0U Active CN214653018U (en) | 2020-12-16 | 2020-12-16 | Tight device in top of inclined plane self-adaptation lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653018U (en) |
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2020
- 2020-12-16 CN CN202023036067.0U patent/CN214653018U/en active Active
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