CN212148865U

CN212148865U - Switch conversion device

Info

Publication number: CN212148865U
Application number: CN202020771502.5U
Authority: CN
Inventors: 张树东; 王小毅
Original assignee: Tianjin Railway Signal Co Ltd
Current assignee: Tianjin Railway Signal Co Ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-15
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a switch conversion device, which comprises two supporting beams, wherein the supporting beams are provided with supporting plates, the supporting plates are provided with a switch pulling mechanism and a label component, the switch pulling mechanism comprises a power device, an elastic directional reset mechanism and a linear connecting lever, and the linear connecting lever is hinged with a pull rod corresponding to the position of a switch rail; the power device comprises a door-shaped power frame, and a power shaft is arranged on a vertical plate on the outer side of the door-shaped power frame; a handle is detachably arranged on the power shaft, and a driving bevel gear is arranged on the power shaft; the driving bevel gear is meshed with the driven bevel gear, and the linear crank arm is sleeved on the driven shaft through a spline; one end of the linear crank arm is connected with an elastic directional reset mechanism; the other end of the linear crank arm extends out of the door-shaped power frame, and a pluggable locking pin is installed at the end part of the linear crank arm. The utility model discloses it is firm to assemble the back location, and small, light in weight, labour saving and time saving, and its operating efficiency of more traditional manual adjustment is high, stable and accurate, has improved track control adjustment, security.

Description

Switch conversion device

Technical Field

The utility model belongs to the technical field of the track control adjustment, especially, relate to a switch conversion equipment.

Background

As is well known, the railway is a main artery of national economy, is the backbone of the transportation system in China, and has the characteristics of high concentration and close connection of all working links. If a problem occurs at a certain point, the whole line and even a larger range of blockage and paralysis can be influenced, so that the smoothness is the basic requirement of railway transportation, and the safe production is the permanent subject of the railway transportation.

Turnouts are important devices for realizing rail conversion and widely exist on railway lines. The switch is operated to guide the rolling stock to turn between the main line and the side line. The switch is the main equipment for the switch conversion. At present, in some areas or some branch railways, internal railways of enterprises (industries), special railways and railway lines with infrequent switch, manual switch devices are still adopted for switch switching. The known switch structure is: comprises a base, a label, a handle, a connecting rod and the like. The turning handle makes the connecting rod turn to pull the switch rail to move left and right to change the switch-on direction of the turnout, thereby completing the switch, which is a common switch switching device in China at present. The prior manual switch device for switching the turnout has the disadvantages of high labor intensity, time and labor consumption and low working efficiency during the track adjustment operation. When the 'accident of extruding the turnout' occurs, the turnout and the switch device can be damaged, and the working condition requirement of extruding the turnout can be hardly met. The height of the switch device makes the switch device unable to meet the requirement in the narrow railway clearance.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a compact structure, labour saving and time saving, convenient operation, high switch conversion equipment of security. The operating condition requirement of the operation of the turnout squeeze can be met, and the turnout and the switch device cannot be damaged when the turnout squeeze is carried out. The utility model discloses the narrow place installation of railway clearance can be satisfied at the high end of switch conversion equipment and use.

The utility model is realized in such a way that the switch conversion device comprises two parallel supporting beams which are arranged vertically to the switch straight strand; the upper surface of the supporting beam is fixedly provided with a supporting plate, and the supporting plate is provided with a turnout pulling mechanism; and a sign assembly, characterized by: the turnout pulling mechanism comprises a power device, an elastic directional resetting mechanism and a linear connecting lever for connecting the power device and the elastic directional resetting mechanism, and a pull rod is hinged to the position, corresponding to the switch rail, of the linear connecting lever; the power device comprises a door-shaped power frame, wherein a power shaft is arranged on a vertical plate on the outer side of the door-shaped power frame and extends into the door-shaped power frame; a handle is detachably arranged on the power shaft on the outer side of the door-shaped power frame, and a driving bevel gear is arranged on the power shaft in the door-shaped power frame; the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is installed between a top plate and a supporting plate of the door-shaped power frame through a driven shaft, and a spline is arranged on the driven shaft; the linear crank arm is provided with a spline hole matched with a spline of the driven shaft, and the linear crank arm is sleeved on the spline of the driven shaft; one end of the linear crank arm positioned at the pull rod side is connected with an elastic directional reset mechanism; the other end of the linear connecting lever extends out of the door-shaped power frame, a locking pin hole is formed in the end portion of the linear connecting lever, a locking frame is arranged below the linear connecting lever, two locking holes are formed in a locking beam of the locking frame and correspond to two stations of the linear connecting lever, and when the locking pin hole corresponds to one of the locking holes, a locking pin is inserted into the locking pin hole and the locking hole.

Preferably, in the technical scheme, the elastic directional reset mechanism comprises a guide sleeve, a guide rod and a spring, wherein one end of the guide sleeve is hinged to the upright post through a guide sleeve connector; the spring is sleeved on the guide sleeve; one end of the guide rod is inserted into the guide sleeve, the other end of the guide rod is hinged to the linear crank arm through a guide rod connector, and a spring pre-tightening nut is screwed on the guide rod.

Preferably, in the technical scheme, the label component comprises a label upright rod connected with a label, the label upright rod is vertically arranged on a crank arm at the outer side of the door-shaped power frame through a bearing, and the lower part of the label upright rod is connected with the lower surface of the door-shaped power frame through a link mechanism; the label upright stanchion is driven by the connecting rod mechanism to turn over 90 degrees along with the rotation of the linear crank arm.

The handle locking storage component comprises a support ring for inserting a force application end of the handle, and the support ring is fixedly arranged at the outer end part of one support beam; the U-shaped locking frame is used for locking the other end of the handle and is fixed at the outer end part of the other supporting beam; and a locking pin inserting hole is formed in the U-shaped locking frame, and a locking pin penetrating through the handle power connecting hole is inserted in the locking pin inserting hole.

The switch pulling mechanism is arranged in the supporting plate and is used for pulling the switch to the switch pulling mechanism.

The utility model has the advantages and technological effect: because the utility model adopts the above technical scheme, make the utility model has the advantages of it is following:

1. the utility model discloses the handle of pulling is detachable, can dismantle the handle when switch conversion operation finishes after getting off, places the assigned position, because the handle swing takes place the incident when avoiding crowded switch.

2. The utility model discloses be equipped with the locking hole position, when the switch is suitable for the operating mode and for not can be extruded, insert the locking round pin and lock the downthehole locking of going to the switch. When the turnout is in a squeezable state, the locking pin can not be inserted to meet the requirement that the turnout can be squeezed.

3. The utility model can be used for designing and manufacturing two support beam mounting modes of the supporting plate and the angle steel according to different turnout types of users, and can be mounted on the concrete rail and the sleeper at will; the installation is convenient and fast;

4. the utility model is simple in operation, only need promote the handle, push away from one end to the other end and push away and can accomplish the switch conversion, keep the location by spring tension.

5. The utility model discloses the operation relies on the sign along with sharp turning arm linkage to indicate the switch position, need not to join in marriage alone and joins in marriage dress sign drive arrangement, and then has simplified the product structure.

6. The utility model discloses still including the protection casing, the security has improved greatly to the protection casing, also reduces debris such as flying dust simultaneously and gets into two bevel gear's meshing face and influence normal meshing, improves bevel gear's life simultaneously.

7. The utility model discloses a pull the operation and promote the operation for being on a parallel with the straight thigh of track, perpendicular ground, clockwise and anticlockwise, operating region is little, satisfies the narrow and small needs in space.

To sum up the utility model discloses its reasonable design, it is firm to fix a position after the equipment, and small, light in weight, labour saving and time saving, its operating efficiency of more traditional manual adjustment is high, stable and accurate, has improved timeliness, the security of track control adjustment. The utility model discloses switch conversion equipment can satisfy the operating mode demand of the crowded switch operation of needs, can not damage switch and switch ware when crowded switch. The utility model discloses switch conversion equipment is high end, operating area are little, can satisfy the narrow local installation of railway clearance and use

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic perspective view of FIG. 1;

FIG. 6 is a schematic view of the shield shown removed;

FIGS. 7 and 8 are schematic perspective views of FIG. 6;

fig. 9 is an exploded perspective view of the present invention.

In the figure, 1, a support beam; 2. a support plate; 3. a switch pulling mechanism; 3-1, a power device; 3-10 parts of a door-shaped power frame; 3-11, a power shaft; 3-12, a handle; 3-13, driving bevel gear; 3-14, driven bevel gear; 3-15, a driven shaft; 3-2, an elastic directional reset mechanism; 3-3, a linear crank arm; 3-30 parts of spline holes; 3-31, lock pin holes; 3-4, a pull rod; 3-20, guide sleeve; 3-21, a guide rod; 3-22, a spring; 3-23, a guide sleeve connector; 3-24, upright columns; 4. a signage component; 4-1, label; 4-2, a label upright rod; 4-3, a link mechanism; 5. a locking frame; 5-1, locking holes; 5-2, locking pins; 6-1, a support ring; 6-2, a U-shaped locking frame; 6-3, a locking pin; 7. a shield.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, a turnout switching device comprises two parallel support beams 1, which are arranged perpendicular to a turnout straight strand; the upper surface of the supporting beam is fixedly provided with a supporting plate 2, and the supporting plate is provided with a turnout pulling mechanism 3; the turnout pulling mechanism comprises a power device 3-1, an elastic directional resetting mechanism 3-2 and a linear connecting lever 3-3 for connecting the power device and the elastic directional resetting mechanism, and a pull rod 3-4 is hinged to the position, corresponding to the point rail, of the linear connecting lever; during actual installation, a screw joint is connected between the pull rod and the turnout to finely adjust the closed state of the turnout; ensuring the switch is closely attached in place; the power device comprises a door-shaped power frame 3-10, wherein a power shaft 3-11 is arranged on a vertical plate on the outer side of the door-shaped power frame and extends into the door-shaped power frame; a handle 3-12 is detachably arranged on the power shaft at the outer side of the door-shaped power frame, and a driving bevel gear 3-13 is arranged on the power shaft in the door-shaped power frame; the driving bevel gear is meshed with driven bevel gears 3-14, the driven bevel gears are arranged between a top plate of a door-shaped power frame and a supporting plate through driven shafts 3-15 and bearings, and splines are arranged on the driven shafts; the linear crank arm is provided with spline holes 3-30 matched with the driven shaft spline and is sleeved on the driven shaft spline; one end of the linear crank arm positioned at the pull rod side is connected with an elastic directional reset mechanism 3-2; the other end of the linear connecting lever extends out of the door-shaped power frame, a locking pin hole 3-31 is formed in the end portion of the linear connecting lever, a locking frame 5 is arranged below the linear connecting lever, two locking holes 5-1 are formed in a locking beam of the locking frame and correspond to two stations of the linear connecting lever, and when the locking pin hole corresponds to one of the locking holes, a locking pin 5-2 is inserted into the locking pin hole and the locking hole.

The elastic directional reset mechanism 3-2 comprises a guide sleeve 3-20, a guide rod 3-21 and a spring 3-22, wherein one end of the guide sleeve is hinged on the upright post 3-24 through a guide sleeve connector 3-23; the spring is sleeved on the guide sleeve; one end of the guide rod 3-21 is inserted into the guide sleeve 3-20, the other end of the guide rod is hinged to the linear crank arm 3-3 through a guide rod connector 3-22, a spring pre-tightening nut 3-23 is screwed on the guide rod, the spring pre-tightening nut plays a role in limiting a spring on one hand, and the initial potential energy state of the spring pre-tightening nut 3-23 can be adjusted on the other hand.

The label component 4 comprises a label upright rod 4-2 connected with a label 4-1, the label upright rod is vertically arranged on a linear crank arm 3-3 on the outer side of the door-shaped power frame through a bearing, and the lower part of the label upright rod is connected with the lower surface of the door-shaped power frame through a connecting rod mechanism 4-3; this embodiment kind link mechanism adopts two articulated connections to constitute link structure, the sign pole setting realizes the upset 90 degrees along with the rotation of straight line turning arm under link mechanism's drive.

The handle locking storage assembly is also included, and the detached handle can be locked for storage when not needed; thereby avoiding loss and improving the safety performance; the handle lock storage member 6 comprises a support ring 6-1 for inserting the force application end of the handle, the support ring being fixedly mounted on the outer end portion of one support beam; a U-shaped locking frame 6-2 used for locking the other end of the handle, wherein the U-shaped locking frame is fixed at the outer end part of the other supporting beam; and a locking pin inserting hole is formed in the U-shaped locking frame, and a locking pin 6-3 penetrating through the handle power connecting hole is inserted into the locking pin inserting hole.

The turnout pulling mechanism is characterized by further comprising a protective cover 7, wherein the protective cover is detachably mounted on the supporting plate, and the turnout pulling mechanism is located in the protective cover.

Method of operating the steps

Non-squeezable turnout conversion device: unlocking and removing the handle → inserting the handle into the driving shaft → lifting the locking pin to separate the locking pin from the locking hole → pushing the handle, pushing from one end to the other end to keep the positioning by the tension of the spring, completing the turnout switch → checking whether the rotation position of the display plate is correct or not → inserting the locking pin into the locking hole → taking down the handle and putting back the handle to the bracket, and fastening the lock head.

Squeezable switch switching device (without locking pin): unlocking and removing the handle → inserting the handle into the driving shaft → pushing the handle, pushing from one end to the other end, and keeping the positioning by the tension of the spring, thereby completing the turnout switch → checking whether the rotating position of the display board is correct or not → taking down the handle and putting back the handle on the bracket, and fastening the lock head.

The utility model discloses a switch conversion equipment is applicable to the not high, need not again to incorporate the switch of dispatch concentration, station interlocking system of crossing. The extrusion die is divided into an extrudable type and a non-extrudable type. The two differences are that the extrudable turnout conversion device is suitable for turnouts under the working condition that 'turnout extrusion fault' easily occurs, and equipment and turnouts cannot be damaged once turnout extrusion is carried out. The non-squeezable turnout conversion device is additionally provided with a locking pin to realize a locking function so as to prevent turnout displacement caused by other external force. The utility model discloses realize with the tension of spring that the switch is converted into and decides, the counterpoint to keep it in the position of deciding, the counterpoint. The gear structure is adopted in the interior, so that the transmission resistance is reduced, and smooth transmission is facilitated during branch extrusion. The switch switching device stands on the outer side of the switch switching device and faces to the switch, the switch blade at the near section of the switch is closely attached when the handle is pulled to the left side, and the switch blade at the far section of the switch is closely attached when the handle is pulled to the right side.

To sum up the utility model discloses its reasonable design, it is firm to fix a position after the equipment, and small, light in weight, labour saving and time saving, its operating efficiency of more traditional manual adjustment is high, stable and accurate, has improved timeliness, the security of track control adjustment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A turnout conversion device comprises two parallel support beams which are arranged vertically to a turnout straight strand; the upper surface of the supporting beam is fixedly provided with a supporting plate, and the supporting plate is provided with a turnout pulling mechanism; and a sign assembly, characterized by: the turnout pulling mechanism comprises a power device, an elastic directional resetting mechanism and a linear connecting lever for connecting the power device and the elastic directional resetting mechanism, and a pull rod is hinged to the position, corresponding to the switch rail, of the linear connecting lever; the power device comprises a door-shaped power frame, wherein a power shaft is arranged on a vertical plate on the outer side of the door-shaped power frame and extends into the door-shaped power frame; a handle is detachably arranged on the power shaft on the outer side of the door-shaped power frame, and a driving bevel gear is arranged on the power shaft in the door-shaped power frame; the driving bevel gear is meshed with a driven bevel gear, the driven bevel gear is installed between a top plate and a supporting plate of the door-shaped power frame through a driven shaft, and a spline is arranged on the driven shaft; the linear crank arm is provided with a spline hole matched with a spline of the driven shaft, and the linear crank arm is sleeved on the spline of the driven shaft; one end of the linear crank arm positioned at the pull rod side is connected with an elastic directional reset mechanism; the other end of the connecting lever extends out of the door-shaped power frame, a locking pin hole is formed in the end portion of the linear connecting lever, a locking frame is arranged below the linear connecting lever, two locking holes are formed in a locking beam of the locking frame and correspond to two stations of the linear connecting lever, and when the locking pin hole corresponds to one of the locking holes, a locking pin is inserted into the locking pin hole and the locking hole.

2. The switch machine as claimed in claim 1, wherein: the elastic directional reset mechanism comprises a guide sleeve, a guide rod and a spring, wherein one end of the guide sleeve is hinged on the upright post through a guide sleeve connector; the spring is sleeved on the guide sleeve; one end of the guide rod is inserted into the guide sleeve, the other end of the guide rod is hinged to the linear crank arm through a guide rod connector, and a spring pre-tightening nut is screwed on the guide rod.

3. The switch machine as claimed in claim 1, wherein: the label component comprises a label upright rod connected with a label, the label upright rod is vertically arranged on a linear crank arm on the outer side of the door-shaped power frame through a bearing, and the lower part of the label upright rod is connected with the lower surface of the door-shaped power frame through a connecting rod mechanism; the sign pole setting is realized overturning 90 degrees along with the rotation of turning arm under link mechanism's drive.

4. The switch machine as claimed in claim 1, wherein: the handle locking and storing component comprises a support ring for inserting the force application end of the handle, and the support ring is fixedly arranged at the outer end part of one support beam; the U-shaped locking frame is used for locking the other end of the handle and is fixed at the outer end part of the other supporting beam; and a locking pin inserting hole is formed in the U-shaped locking frame, and a locking pin penetrating through the handle power connecting hole is inserted in the locking pin inserting hole.

5. The switch machine as claimed in claim 1, wherein: the turnout pulling mechanism is characterized by further comprising a protective cover, wherein the protective cover is detachably arranged on the supporting plate, and the turnout pulling mechanism is located in the protective cover.