CN214301039U - Elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously - Google Patents
Elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously Download PDFInfo
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- CN214301039U CN214301039U CN202022393905.3U CN202022393905U CN214301039U CN 214301039 U CN214301039 U CN 214301039U CN 202022393905 U CN202022393905 U CN 202022393905U CN 214301039 U CN214301039 U CN 214301039U
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- rod
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- pressing
- bearing frame
- operation mechanism
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Abstract
The patent of the utility model relates to a relate to the vertical push down device of railway maintenance of equipment, especially relate to an elasticity push down mechanism suitable for vertical motion simultaneously of multichannel. Mainly constitute including bearing frame, pushing down mechanism, heart guider, pushing down the mechanism and being connected with bearing frame, operation mechanism respectively, pushing down the mechanism and including from the top down joint depression bar, elastic compression pole, extension spring, the operation mechanism depression bar that sets gradually, the extension spring both ends respectively with bearing frame and operation mechanism depression bar connection, operation mechanism depression bar and lower part operation mechanism activity hinge joint, install in operation part top to heart guider, including from the top down the heart guide spline sleeve, seated bearing, the spline transmission shaft that sets gradually, compare with current multichannel pushing down mechanism, its work efficiency is high, and when not only simultaneous working in each way, mutual independence again, its reliability is high, when practicing thrift the human cost, has improved the efficiency of railway equipment maintenance operation.
Description
Technical Field
The patent of the utility model relates to a railway rails maintains and overhauls the field, especially relates to an elasticity pushes down mechanism suitable for vertical motion simultaneously of multichannel.
Background
In recent years, with the rapid development of the high-speed railway in China, the speed and the number of the high-speed railway passenger cars are gradually increased, the requirements on the running lines of the train are higher and higher, in order to ensure the running safety of the train, the rail parts need to be maintained regularly, namely, the rail parts need to be subjected to up-and-down reciprocating impact operation and nut screwing operation, aiming at the pressing mechanisms such as a lead screw vertical motion mechanism and a parallel six-link mechanism adopted by the conventional vertical pressing mechanism, the reliability work that each path is independent and does not influence each other when the paths are subjected to up-and-down reciprocating operation simultaneously cannot be achieved, the conventional multiple paths of pressing mechanisms are always rigidly connected with each other, and the reliability work that each path is independent while each path of working mechanisms is subjected to pressing operation simultaneously cannot be achieved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical insufficiency, the utility model provides an elasticity pushes down mechanism suitable for vertical motion simultaneously of multichannel.
The utility model discloses the technical scheme who adopts does: the utility model provides an elasticity pushes down mechanism suitable for vertical motion simultaneously of multichannel, includes bearing frame, pushes down the mechanism, to heart guider, it is connected with bearing frame, operation mechanism respectively to push down the mechanism, it includes joint depression bar, elastic compression pole, extension spring, the operation mechanism depression bar that from the top down set gradually to push down the mechanism, the extension spring both ends respectively with bearing frame and operation mechanism depression bar connection, the operation mechanism depression bar is connected with lower part operation mechanism, install in operation part top to heart guider, include from the top down set gradually to heart direction spline sleeve, rolling bearing, spline transmission shaft.
The outer side of a centering guide spline sleeve in the centering guide device is fixed on a bearing with a seat, wherein the upper part of the spline sleeve is connected with a power transmission mechanism through a flange plate, the bearing with the seat is in threaded connection with a supporting plate on a bearing frame, and a spline transmission shaft is in clearance fit with the centering guide spline sleeve.
The elastic compression rod comprises a guide rod, a pre-tightening spring, a guide piece, a cylinder body and a hinged seat, wherein the guide rod, the pre-tightening spring, the guide piece, the cylinder body and the hinged seat are sequentially arranged from top to bottom, the pre-tightening spring is fixed on the guide rod, an anti-dropping nut is arranged at the joint of the guide rod and the guide piece, the guide piece and the cylinder body are welded and fixed, and the cylinder body is in threaded connection with the hinged seat below.
Compared with the prior art, the beneficial effects of the utility model are that: the invention realizes the simultaneous control of four-way operation mechanism operation by arranging the combined compression rod, the elastic compression rod and the mechanism compression rod, and each way of operation mechanism works independently without mutual influence, thereby achieving high-efficiency and reliable pressing operation; through setting up heart guider and spline transmission shaft, realized that operating device obtains moment of rotation and axial to slide simultaneously, maintain with current railway and push down the mechanism and compare, improved high efficiency, the reliability of control multichannel pushing down the operation, accord with the requirement of railway maintenance equipment more, when practicing thrift the human cost, improved controlled operating device's reliability and high efficiency greatly.
Drawings
Figure 1 is the utility model discloses push down the mechanism axonometric drawing.
Fig. 2 is an axonometric view of the pressing mechanism of the present invention fixed on the carrying frame.
Fig. 3 is a partial enlarged view of the pressing mechanism of the present invention fixed on the carrying frame.
Fig. 4 is a front view of the pressing mechanism of the present invention.
Fig. 5 is a side view of the pressing mechanism of the present invention.
Fig. 6 is a top view of the pressing mechanism of the present invention.
Figure 7 is an isometric view of the elastic compression rod of the present invention.
In the figure: a carrier frame 1; a pressing mechanism 2; a joint press lever 21; a joint compression bar articulated seat 22; a resilient compression bar 23; a guide rod 231; a pre-tightening spring 232; a guide piece 233; a cylinder 234; a hinge mount 235; an extension spring 24; an operating mechanism pressure lever 25; an implement hinge mount 26; the operating mechanism compression bar hinge base 27; a centering guide device 3; a centering guide spline sleeve 31; a pedestal bearing 32; a spline transmission shaft 33; and a working mechanism 4.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-7, the present embodiment provides an elastic pressing mechanism suitable for multiple paths of simultaneous vertical movements, which includes a bearing frame 1, a pressing mechanism 2, and a centering guide device 3, where the bearing frame 1 is an integral bearing frame of an apparatus, the pressing mechanism 2 and the centering guide device 3 are both installed on the bearing frame 1, the centering guide device 3 includes a guide spline sleeve 31 with a flange, a bearing 32 with a seat, and a spline transmission shaft 33, which are sequentially installed from top to bottom, the bearing 32 with a seat is fixed on the bearing frame 1, the spline sleeve 31 with a flange is installed on the bearing 32 with a seat, the spline transmission shaft 33 is in clearance fit with the spline sleeve 31, the pressing mechanism includes a joint press rod 21, an elastic compression 23, a tension spring 24, and an operating mechanism press rod 25, which are sequentially installed from top to bottom, wherein the four paths of elastic compression rods 23 connected to a movable hinge seat 22 of the joint press rod, the other end of the operation mechanism pressure rod is movably hinged with an operation mechanism pressure rod 25, an elastic extension spring 24 is connected with the operation mechanism pressure rod 25 and the bearing frame 1, a waist-shaped hole in the middle of the operation mechanism pressure rod 25 is connected with an operation mechanism hinged seat 26 through a connecting pin in a sliding mode, and the other end of the operation mechanism pressure rod 25 is movably hinged and fixed on the bearing frame 1.
In this example, the center alignment guide device 3 is provided with a bearing 32 with a seat, which is mounted on a support plate in the middle of the bearing frame 1 and is in threaded connection with the support plate, the support plate is welded with the bearing frame 1, the upper part of the center alignment guide spline sleeve 31 with a flange plate is in threaded connection with the driving motor, and the lower part is connected with the spline transmission shaft 33 through clearance fit, wherein the spline transmission shaft 33 is a driving shaft of the operation mechanism 4, so that the operation mechanism 4 can obtain torque and rotation speed when screwing a bolt, and the operation mechanism 4 can vertically move to the center.
In this example, the ends of two U-shaped rods on the combined pressure lever 21 in the pressing mechanism 2 are movably hinged and fixed on the bearing frame 1, the combined pressure lever 21 is connected with four elastic compression rods 23 at the same time, the waist-shaped slot hole opened by the operation mechanism pressure lever 25 is connected with the connecting pin on the operation mechanism hinge seat 6 in a sliding manner, so that the combined pressure lever 21 presses four operation mechanisms at the same time to work, and the spline transmission shaft 33 is connected with the centering guide spline sleeve 31 in a sliding manner in a clearance fit manner during the pressing operation of the operation mechanism 4.
In this embodiment, the elastic compression rod 23 of the pressing mechanism 2, the joint compression rod 21 connected to both ends thereof and the operation mechanism compression rod 25 are movably hinged, the guide rod 231 and the guide piece 233 are in clearance fit, the inner diameter of the cylinder 234 is larger than the diameter of the guide rod 231, the connecting portion between the cylinder 234 and the hinge seat 235 is internally provided with a thread, and the thread at the hinge seat 235 is in threaded connection with the inside of the cylinder 234.
The working principle of the invention is as follows: when the equipment needs to be pressed down to work, the pressing combined pressing rod 21 is pressed down to drive the four-way elastic compression rod 23 to press down the pressing rod 25 of the working mechanism, the four-way working mechanism is pressed down to work, the combined pressing rod 21 is pressed down to the bottom of the four-way working mechanism, the pressing combined pressing rod 21 is stopped to be pressed down when the elastic compression rod 23 is pressed and compressed, the extension spring 24 connected with the pressing rod 25 of the working mechanism is stretched, the four-way working mechanism starts to rotate, the controlled working mechanism rebounds upwards after being impacted or the nut is unscrewed and then moves upwards due to the action of threads, the working principle is explained by taking the complex operation of screwing the bolt as an example, the nut is pushed up by the operating mechanism 4, each path of elastic compression rod 23 is stressed to continue to be compressed and provide a pressing action force until the four paths of nuts are completely unscrewed, the combined compression bar 21 is manually loosened, and each path of operation mechanism compression bar 25 is automatically lifted to a lifting state in non-working under the action of a stretched extension spring 24; when the four-way operation mechanism 4 is screwed down, the elastic compression rods 23 rebound to provide pressing force for the operation mechanism 4, and when the four-way operation mechanism 4 finishes screwing the nut, the combined compression rod 21 is loosened, and the four-way operation mechanism 4 is driven by the stretched extension spring 24 to move upwards to a non-working lifting state.
When the downward pressing mechanism 4 is screwed, the combined pressing rod 21 drives the four-way operation mechanism 4 to perform downward pressing operation, and the elastic compression rods 23 connected with the operation mechanism pressing rod 25 are independent and do not interfere with each other when being pressed and compressed, so that the reliable working states that the combined pressing rod 21 drives the four-way operation mechanism 4 to perform downward pressing operation simultaneously, operate respectively and do not interfere with each other are realized.
When the combined pressure lever 21 drives the four-way operation mechanism pressure lever 25 to press down, a connecting pin at the joint of the operation mechanism pressure lever 25 and the operation mechanism hinged seat 26 horizontally slides in the kidney-shaped groove, the spline transmission shaft 33 on the operation mechanism 4 vertically slides in the centering guide spline sleeve 31, the coaxiality of the spline transmission shaft 33 on the operation mechanism 4 and the centering guide spline sleeve 31 when vertically sliding is ensured, flange plates on the four-way centering guide spline sleeve 31 are respectively connected with a driving motor which independently works through threads, torque and rotating speed required by operation are transmitted through the centering guide spline sleeve 31 and the spline transmission shaft 33, and stable vertical sliding and screwing operation of the operation mechanism 4 is realized.
The extension spring 24 connecting the bearing frame 1 and the operation mechanism pressure lever 25 is used for lifting the operation mechanism pressure lever 25 to be in a contraction state under a non-working state, the operation mechanism 4 is in a lifting position, when the combined pressure lever 21 is pressed down to work, the four-way elastic compression lever 23 simultaneously presses down the operation mechanism pressure lever 25 to drive the extension spring 24 to be gradually stretched, and when the operation mechanism 4 finishes working and manually releases the combined pressure lever 21, the extension spring 24 contracts to drive the operation mechanism pressure lever 25 to be lifted to the lifting position under the non-working state of the operation mechanism 4.
Claims (3)
1. The utility model provides an elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously, includes bearing frame, pushes down the mechanism, to heart guider, characterized by: the pressing mechanism is connected with the bearing frame and the operating mechanism respectively, the pressing mechanism comprises a combined pressing rod, an elastic compression rod, an extension spring and an operating mechanism pressing rod which are sequentially arranged from top to bottom, two ends of the extension spring are respectively connected with the bearing frame and the operating mechanism pressing rod, the operating mechanism pressing rod is connected with the lower operating mechanism, the centering guide device is installed above the operating part and comprises a centering guide spline sleeve, a seated bearing and a spline transmission shaft which are sequentially arranged from top to bottom.
2. The elastic pressing mechanism suitable for multiple paths of simultaneous vertical movements as claimed in claim 1, wherein the centering guide device is characterized in that the outside of a centering guide spline sleeve is fixed on a bearing with a seat, wherein the upper part of the spline sleeve is connected with a power transmission mechanism through a flange plate, the bearing with the seat is in threaded connection with a support plate on the bearing frame, and the spline transmission shaft is in clearance fit with the centering guide spline sleeve.
3. The resilient hold-down mechanism of claim 1, wherein said resilient hold-down mechanism is adapted for multiple simultaneous vertical movements, and further comprising: the elastic compression rod comprises a guide rod, a pre-tightening spring, a guide piece, a cylinder body and a hinged seat, wherein the guide rod, the pre-tightening spring, the guide piece, the cylinder body and the hinged seat are sequentially arranged from top to bottom, the pre-tightening spring is fixed on the guide rod, an anti-dropping nut is arranged at the joint of the guide rod and the guide piece, the guide piece and the cylinder body are welded and fixed, and the cylinder body is in threaded connection with the hinged seat below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393905.3U CN214301039U (en) | 2020-10-26 | 2020-10-26 | Elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393905.3U CN214301039U (en) | 2020-10-26 | 2020-10-26 | Elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214301039U true CN214301039U (en) | 2021-09-28 |
Family
ID=77840694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022393905.3U Active CN214301039U (en) | 2020-10-26 | 2020-10-26 | Elasticity pushes down mechanism suitable for multichannel vertical motion simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214301039U (en) |
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2020
- 2020-10-26 CN CN202022393905.3U patent/CN214301039U/en active Active
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