CN214771750U

CN214771750U - Dismounting tool for urban rail vehicle

Info

Publication number: CN214771750U
Application number: CN202121028928.2U
Authority: CN
Inventors: 刘力琼; 马志晓; 段清臣; 熊珊美; 陈谦
Original assignee: Nanning CRRC Rail Transportation Equipment Co Ltd
Current assignee: Nanning CRRC Rail Transportation Equipment Co Ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-19
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a city rail extracting tool for vehicle, the power distribution box comprises a box body, the inside of box is rotated and is connected with the round bar, the outer wall rigid coupling of round bar has the gear, the inside of box is equipped with locking mechanism. This extracting tool for urban rail vehicle, lift or push down the pull rod and can drive the pawl and rotate and break away from or the chucking with the ratchet, and the one-way joint through pawl and ratchet, but make the one-way locking when the rack is retrieved taut, can pull in the carriage of both sides, the connecting pin of the carriage junction of being convenient for is lifted off, promote the dismantlement efficiency to the connecting pin greatly, and the device simple structure, application scope is wide, can be applied to multiple dismouting occasion, can restore to the throne simultaneously and retrieve, promote greatly and use the convenience, the accessible couple is connected with the rotation of baffle, and the joint of curved bar and draw-in groove links to each other, make the baffle can play the effect of sealing to the opening of couple, and then dislocate when avoiding articulating, promote stability in use and security.

Description

Dismounting tool for urban rail vehicle

Technical Field

The utility model relates to a withdrawal tool technical field for the urban rail vehicle specifically is a withdrawal tool for urban rail vehicle.

Background

The urban rail vehicle refers to a railway vehicle with high passenger capacity in a city, belongs to the Chinese continental language, and is a railway vehicle used in urban rail transit, and a connecting pin between adjacent carriages of the urban rail vehicle is not convenient to dismount when the urban rail vehicle is used for a long time.

Urban rail vehicle among the prior art is when dismantling, can't pull in the carriage of both sides, leads to the connecting pin of carriage junction not convenient for lift off, influences the dismantlement efficiency to the connecting pin, and driven pulling draws the device function singleness, can not be applied to multiple dismouting occasion, and can not retrieve to restore to the throne after using, and it is poor to use the convenience, and when adopting the couple to fix, can't play the effect of sealing to the opening of couple, leads to the couple to take off a position easily when articulating, influences stability in use and security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detaching tool for urban rail vehicle to solve the urban rail vehicle among the prior art that proposes in the above-mentioned background art when dismantling, can't pull in the carriage of both sides, the connecting pin that leads to the carriage junction is not convenient for lift off, influences the dismantlement efficiency to the connecting pin, and driven draws to drag the device function singleness, can not be applied to the problem of multiple dismouting occasion.

In order to achieve the above object, the utility model provides a following technical scheme: a disassembling tool for urban rail vehicles comprises a box body, wherein a round rod is rotatably connected inside the box body, a gear is fixedly connected to the outer wall of the round rod, and a locking mechanism is arranged inside the box body;

the locking mechanism comprises a ratchet wheel, a pawl, a torsion spring, a pull rope, a pull rod, a groove, a ball, a first spiral spring and a through hole;

the ratchet rigid coupling is in the front of gear, the one-way joint in left side of ratchet has the pawl, the pawl is connected through the positive rotation of the inner wall of round pin axle with the box, torque spring is installed with the articulated department of box to the pawl, there is the pull rod at the top of pawl through stay cord swing joint, the top clearance fit of through-hole and box is passed through to the outer wall of pull rod, the outer wall processing of pull rod has two recesses, the inner wall activity joint of recess has the ball, the inner wall both sides spout clearance fit of ball and through-hole, install a coil spring between the inner wall both sides spout of ball and through-hole. The design can realize the one-way locking of the gear.

Preferably, a handle is fixedly connected to the front surface of the round rod.

Preferably, the upper side and the lower side of the gear are all meshed with racks, the outer wall of each rack is connected with the two sides of the box body in a sliding mode, the outer end of each rack is connected with a lantern ring in a rotating mode through a bearing, and the outer end of each lantern ring is fixedly connected with a hook.

Preferably, a pull-back mechanism is arranged between the rack below and the box body;

the pull-back mechanism comprises a vertical plate, a convex block and a second spiral spring;

the top of riser rigid coupling in the rack of below, the right-hand member of riser and the equal rigid coupling of inner wall right-hand member of box have the lug, install second coil spring between two lugs. The design can realize that the rack can be automatically recovered when not stressed.

Preferably, a sealing mechanism is arranged at the opening of the hook;

the sealing mechanism comprises a curved rod, a curved groove, a third spiral spring, a clamping groove, a deflector rod and a baffle plate;

the inner of baffle is connected with the inboard rotation of the opening of couple, the outer end of baffle has the curved bar through curved groove clearance fit, install third coil spring between curved bar and the curved groove, the opening outside looks joint that the outer wall of curved bar passes through the draw-in groove couple, the equal rigid coupling in bottom of curved bar has the driving lever, the outer wall of driving lever and the opening inner wall clearance fit of curved inslot inner wall bottom. The design can seal the hook, thereby avoiding dislocation of the hook during hanging.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the dismounting tool for the urban rail vehicle has the following advantages:

through the matching between the box body, the round rod, the gear, the rack, the lantern ring, the hook, the handle and the locking mechanism, when the device is used, the pawl can be driven to rotate and be separated from or clamped with the ratchet wheel by the aid of the movable clamping of the ball and the groove and the clearance fit between the through hole and the pull rod by lifting or pressing the pull rod downwards, and the rack can be unidirectionally locked when being recovered and tensioned by the aid of the unidirectional clamping of the pawl and the ratchet wheel, so that carriages on two sides can be pulled in, connecting pins at the joint of the carriages can be conveniently dismounted, the dismounting efficiency of the connecting pins is greatly improved, and the device is simple in structure and wide in application range and can be applied to various dismounting occasions;

through the matching among the box body, the round rod, the gear, the racks, the lantern ring, the hook, the handle and the pull-back mechanism, after the pawl rotates and is separated from the ratchet wheel, the racks on the two sides can be reset and recovered simultaneously through the resilience of the second spiral spring and the meshing connection of the gear and the racks, so that the use convenience is greatly improved;

through the cooperation between box, round bar, gear, rack, the lantern ring, couple, handle and the pull-back mechanism for the device is when using, and the accessible couple is connected with the rotation of baffle, and the joint of curved bar and draw-in groove links to each other, makes the baffle can play the effect of sealing to the opening of couple, and then dislocates when avoiding the couple to articulate, promotes stability in use and security.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the tie bar and the groove of FIG. 2;

fig. 4 is a schematic structural view of the curved bar and the third coil spring in fig. 2.

In the figure: 1. the device comprises a box body, 2, a round rod, 3, a gear, 4, a rack, 5, a sleeve ring, 6, a locking mechanism, 601, a ratchet wheel, 602, a pawl, 603, a torsion spring, 604, a pull rope, 605, a pull rod, 606, a groove, 607, a ball, 608, a first spiral spring, 609, a through hole, 7, a pull-back mechanism, 701, a vertical plate, 702, a bump, 703, a second spiral spring, 8, a sealing mechanism, 801, a curved rod, 802, a curved groove, 803, a third spiral spring, 804, a clamping groove, 805, a driving lever, 806, a baffle, 9, a hook, 10 and a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a dismounting tool for urban rail vehicles comprises a box body 1, wherein a round rod 2 is rotatably connected inside the box body 1, a gear 3 is fixedly connected to the outer wall of the round rod 2, a handle 10 is fixedly connected to the front side of the round rod 2, the handle 10 is L-shaped, so that the round rod 2 is more labor-saving and convenient to rotate, racks 4 are respectively meshed with the upper side and the lower side of the gear 3, the outer wall of each rack 4 is slidably connected with the two sides of the box body 1, the gear 3 rotates two racks 4 and can simultaneously slide reversely, the outer ends of the racks 4 are rotatably connected with a lantern ring 5 through bearings, the outer end of the lantern ring 5 is fixedly connected with a hook 9, the lantern ring 5 enables the hook 9 to rotate, the hanging practicability is higher, and a locking mechanism 6 is arranged inside the box body 1;

the locking mechanism 6 comprises a ratchet 601, a pawl 602, a torsion spring 603, a pull rope 604, a pull rod 605, a groove 606, a ball 607, a first spiral spring 608 and a through hole 609, the ratchet 601 is fixedly connected to the front surface of the gear 3, the pawl 602 is clamped on the left side of the ratchet 601 in a one-way manner, the pawl 602 is rotatably connected with the front surface of the inner wall of the box body 1 through a pin shaft, the pawl 602 enables the ratchet 601 to rotate in a one-way manner, so that the rotation of the gear 3 is restricted through a round rod 2, the torsion spring 603 is installed at the hinged position of the pawl 602 and the box body 1, the torsion spring 603 gives the pawl 602 a force for tightly supporting the ratchet 601, the top of the pawl 602 is movably connected with the pull rod 605 through the pull rod 604, the outer wall of the pull rod 605 is in clearance fit with the top of the box body 1 through the through hole 609, the through hole 609 plays a role of sliding guidance for the pull rod, two grooves 606 are processed on the outer wall of the pull rod 605, the ball 607 is movably clamped on the inner wall of the groove 606, the ball 607 is in clearance fit with the sliding grooves on two sides of the inner wall of the through hole 609, a first spiral spring 608 is arranged between the ball 607 and the sliding grooves on two sides of the inner wall of the through hole 609, the first spiral spring 608 provides a force for the ball 607 to be tightly abutted against the groove 606, so that the pull rod 605 can longitudinally slide when receiving a certain force, and the design can realize unidirectional locking of the gear 3.

Be equipped with pull-back mechanism 7 between rack 4 and the box 1 of below, pull-back mechanism 7 includes riser 701, lug 702 and second coil spring 703, riser 701 rigid coupling in the top of rack 4 of below, the right-hand member of riser 701 and the equal rigid coupling of inner wall right-hand member of box 1 have lug 702, install second coil spring 703 between two lugs 702, second coil spring 703 gives the power of riser 701 to the gear 3 direction, but the design can realize rack 4 and retrieve automatically when not forcing like this.

The opening of the hook 9 is provided with a sealing mechanism 8, the sealing mechanism 8 comprises a curved bar 801, a curved groove 802, a third spiral spring 803, a clamping groove 804, a shift lever 805 and a baffle 806, the inner end of the baffle 806 is rotatably connected with the inner side of the opening of the hook 9, the outer end of the baffle 806 is in clearance fit with the curved bar 801 through the curved groove 802, the curved groove 802 is matched with the curved bar 801 in shape and size, so that the curved bar 801 can slide along the curved groove 802, the third spiral spring 803 is arranged between the curved bar 801 and the curved groove 802, the third spiral spring 803 provides clamping force for the curved bar 801 and the clamping groove 804, the outer wall of the curved bar 801 is clamped with the outer side of the opening of the hook 9 through the clamping groove 804, the bottom of the curved bar 801 is fixedly connected with the shift lever 805, the shift lever is convenient for shifting the curved bar 801 to be separated from the clamping groove 804, the outer wall of the shift lever 805 is in clearance fit with the opening inner wall of the bottom of the inner wall of the curved groove 802, thus the design can seal the hook 9, thereby avoiding dislocation when the hook 9 is hooked.

In this embodiment, when the dismounting tool for urban rail vehicles is used, the ball 607 is movably clamped with the groove 606, and the through hole 609 is in clearance fit with the pull rod 605, the pull rod 605 is lifted up to clamp the groove 606 below with the ball 607, at this time, the pull rope 604 can drive the pawl 602 to rotate and separate from the ratchet 601, at this time, the rack 4 is pulled outwards and the hooks 9 at two sides are hung on two carriages, the pull rod 605 is pressed down to clamp the pawl 602 with the ratchet 601 again, the handle 10 is rotated, the rack 4 can be unidirectionally locked when being recovered and tensioned through the unidirectional clamping of the pawl 602 with the ratchet 601, so that the carriages at two sides can be pulled in conveniently, the connecting pin at the connecting position can be dismounted conveniently, the pull rod 605 can be lifted up again after use, the rack 4 can be recovered through the rebound of the second spiral spring 703, the convenience in use is greatly improved, and meanwhile, the hooks 9 are rotatably connected with the baffle 6, and the curved bar 601 is connected with the clamping of the clamping groove 604 in a clamping manner, so that the baffle 6 can seal the opening of the hook 9, and further the hook 9 is prevented from being dislocated when being hooked, and the use stability and the safety are improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a withdrawal tool for urban rail vehicle, includes box (1), its characterized in that: a round rod (2) is rotatably connected inside the box body (1), a gear (3) is fixedly connected to the outer wall of the round rod (2), and a locking mechanism (6) is arranged inside the box body (1);

the locking mechanism (6) comprises a ratchet wheel (601), a pawl (602), a torsion spring (603), a pull rope (604), a pull rod (605), a groove (606), a ball (607), a first spiral spring (608) and a through hole (609);

the ratchet wheel (601) is fixedly connected to the front surface of the gear (3), a pawl (602) is clamped on the left side of the ratchet wheel (601) in a one-way manner, the pawl (602) is rotationally connected with the front surface of the inner wall of the box body (1) through a pin shaft, a torsion spring (603) is arranged at the hinged position of the pawl (602) and the box body (1), the top of the pawl (602) is movably connected with a pull rod (605) through a pull rope (604), the outer wall of the pull rod (605) is in clearance fit with the top of the box body (1) through a through hole (609), two grooves (606) are processed on the outer wall of the pull rod (605), balls (607) are movably clamped on the inner wall of each groove (606), the ball (607) is in clearance fit with the sliding grooves on two sides of the inner wall of the through hole (609), and a first spiral spring (608) is arranged between the ball (607) and the sliding grooves on two sides of the inner wall of the through hole (609).

2. The dismounting tool for urban rail vehicles according to claim 1, characterized in that: the front surface of the round rod (2) is fixedly connected with a handle (10).

3. The dismounting tool for urban rail vehicles according to claim 1, characterized in that: the upper and lower both sides of gear (3) all mesh and be connected with rack (4), the outer wall of rack (4) and the both sides sliding connection of box (1), the outer end of rack (4) is rotated through the bearing and is connected with the lantern ring (5), the outer end rigid coupling of the lantern ring (5) has couple (9).

4. The dismounting tool for urban rail vehicles according to claim 3, characterized in that: a pull-back mechanism (7) is arranged between the rack (4) and the box body (1) at the lower part;

the pull-back mechanism (7) comprises a vertical plate (701), a lug (702) and a second spiral spring (703);

the top of riser (701) rigid coupling in rack (4) of below, the right-hand member of riser (701) and the equal rigid coupling of inner wall right-hand member of box (1) have lug (702), install second coil spring (703) between two lugs (702).

5. The dismounting tool for urban rail vehicles according to claim 3, characterized in that: a sealing mechanism (8) is arranged at the opening of the hook (9);

the sealing mechanism (8) comprises a curved rod (801), a curved groove (802), a third spiral spring (803), a clamping groove (804), a shifting rod (805) and a baffle (806);

the inner of baffle (806) is connected with the inboard rotation of opening of couple (9), the outer end of baffle (806) has curved bar (801) through curved groove (802) clearance fit, install third coil spring (803) between curved bar (801) and curved groove (802), the opening outside looks joint that draw-in groove (804) couple (9) is passed through to the outer wall of curved bar (801), the equal rigid coupling in bottom of curved bar (801) has driving lever (805), the outer wall of driving lever (805) and the opening inner wall clearance fit of curved groove (802) inner wall bottom.