CN204641773U - Hoisting crane shock absorption device and hoisting crane bogie truck - Google Patents

Hoisting crane shock absorption device and hoisting crane bogie truck Download PDF

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CN204641773U
CN204641773U CN201520211696.2U CN201520211696U CN204641773U CN 204641773 U CN204641773 U CN 204641773U CN 201520211696 U CN201520211696 U CN 201520211696U CN 204641773 U CN204641773 U CN 204641773U
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hoisting crane
axle box
wedge
groove
sidewall
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CN201520211696.2U
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许善超
于跃
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CRRC Qiqihar Rolling Stock Co Ltd
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Qiqihar Railway Rolling Stock Co Ltd
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Abstract

The utility model provides a kind of hoisting crane shock absorption device and hoisting crane bogie truck, and shock absorption device comprises: wedge, footstock and directly push up spring; First drawing strickle guide has skew wall, and skew wall contacts with the upper surface of wedge, against the sidewall of axle box side under the effect of the first drawing strickle guide; Second drawing strickle guide is provided with the first groove towards axle box; Footstock has second groove of opening towards the first groove, and the second groove and the first groove form a cavity volume; Straight top spring is positioned at cavity volume, and one end of straight top spring is located at the inwall of the first groove, and the other end of straight top spring is located at the bottom of the second groove, and footstock is against the sidewall of axle box opposite side.When hoisting crane produces vibration, the sidewall contact of wedge and axle box side produces and rubs, the sidewall contact of footstock and axle box opposite side produces and rubs, wedge and footstock can produce vertical, transverse reciprocating relative to axle box and move, and then consume the vibrational energy that produces when walking of hoisting crane, play and hinder that hoisting crane is vertical, the effect of lateral vibration.

Description

Hoisting crane shock absorption device and hoisting crane bogie truck
Technical field
The utility model relates to locomotive crane technical field, particularly relates to a kind of hoisting crane shock absorption device and hoisting crane bogie truck.
Background technology
Locomotive crane is railway accident rescue, ensures the requisite equipment of railway normal transport.Locomotive crane includes the bogie truck of load capacity, refer to Fig. 1, bogie truck comprises welding structure 2, takes turns 4, is arranged on wheel to upper axle box 3, foundation brake rigging and shock attenuation unit etc., and the performance of bogie truck is directly relevant with stationarity with the safety of locomotive crane.
Existing shock absorption device is realized by the laminated spring 1 be arranged on axle box 3 spring.Be specially, axle box 3 comprises the first journal box spring 301 and the second journal box spring 302 be oppositely arranged, below welded frame, there is drawing strickle guide, drawing strickle guide contacts with the first journal box spring 301, laminated spring 1 is arranged on bogie truck and between the right axle box 2 of adjacent wheels, laminated spring contacts with the second journal box spring 302.
But the existing friction force by producing between self reed of laminated spring 1 realizes the shock absorption device of cushioning effect, and damping of vibrations is limited, and can only provide the damping effect on vertical direction.The vibration produced during hoisting crane is run cannot obtain effective attenuation, affects the performance of locomotive crane.
Utility model content
The utility model provides a kind of hoisting crane shock absorption device and hoisting crane bogie truck, for solving existing shock absorption device, damping of vibrations is limited, and can only provide the damping effect on vertical direction, and the vibration produced during hoisting crane is run cannot obtain the problem of effective attenuation.
The utility model provides a kind of hoisting crane shock absorption device, comprising: axle box, the first journal box spring being symmetricly set on described axle box both sides and the second journal box spring, wedge, the first drawing strickle guide being fixedly arranged on welded frame bottom and the second drawing strickle guide, footstock and directly push up spring;
The bottom surface of described wedge is provided with the first boss, and described first boss inserts in described first journal box spring;
Described first drawing strickle guide has skew wall, and described skew wall contacts with the upper surface of described wedge, described wedge under the effect of described first drawing strickle guide against the sidewall of described axle box side;
The bottom surface of described second drawing strickle guide is provided with the second boss, and described second boss inserts in described second journal box spring, and described second drawing strickle guide is provided with the first groove towards described axle box;
Described footstock has second groove of opening towards described first groove, and described second groove is embedded at described first groove, forms a cavity volume with described first groove;
Described straight top spring is positioned at described cavity volume, and one end of described straight top spring is located at the inwall of described first groove, the other end of described straight top spring is located at the bottom of described second groove, described footstock under the effect of described straight top spring, against the sidewall of described axle box opposite side.
Further, described wedge also has the first friction part that the sidewall direction along described axle box side extends, and with the connecting portion of the side and described first friction part that are connected described wedge, the sidewall of described first friction part and described axle box side is fitted.
Further, described footstock also has the second friction part that the sidewall direction along described axle box opposite side extends, and the sidewall of described second friction part and described axle box opposite side is fitted.
Further, described first drawing strickle guide also has stop part, described stop part insert the side of described wedge, described connecting portion and described first friction part formed positioning groove in, to limit the shift position of described wedge.
Further, described wedge is hollow structure.
Further, described axle box is provided with the first wearing plate on the sidewall of described first friction part;
Described axle box is provided with the second wearing plate on the sidewall of described second friction part.
Further, the described skew wall of described first drawing strickle guide is provided with the 3rd wearing plate.
The utility model also provides a kind of bogie truck, comprising: it is right to take turns;
Described wheel is connected to the wheel at wheel shaft two ends and the hoisting crane shock absorption device according to any one of claim 1-7 to comprising symmetry;
Wherein, described hoisting crane shock absorption device is arranged on described wheel.
Further, described take turns to comprise mirror image arrange the first round to second take turns right.
Further, the described first round takes turns right quantity be two groups to described second.
The hoisting crane shock absorption device that the utility model provides and hoisting crane bogie truck, by arranging wedge above the first journal box spring in axle box, be provided with footstock in first groove of the second drawing strickle guide and directly push up spring above second journal box spring, make when hoisting crane produces vibration, the sidewall contact of wedge and axle box side produces and rubs, straight top spring is by extruding footstock, the sidewall contact of footstock and axle box opposite side is produced rub, wedge can produce vertical by relative axle box with footstock, transverse reciprocating moves, and then the vibrational energy that consumption hoisting crane produces when walking, play and hinder hoisting crane vertical, the effect of lateral vibration.
Accompanying drawing explanation
Fig. 1 is the structural representation of hoisting crane shock absorption device in prior art;
Fig. 2 is the front view of the utility model hoisting crane shock absorption device embodiment one;
Fig. 3 is the cutaway view of the utility model hoisting crane shock absorption device embodiment one;
Fig. 4 is the cutaway view of the utility model hoisting crane shock absorption device embodiment two;
Fig. 5 is the enlarged drawing of wedge in the utility model hoisting crane shock absorption device embodiment two;
The front view of the described hoisting crane bogie truck that Fig. 6 provides for the utility model embodiment three;
The birds-eye view of the described hoisting crane bogie truck that Fig. 7 provides for the utility model embodiment three;
The structural representation of shock absorption device in the described hoisting crane bogie truck that Fig. 8 provides for the utility model embodiment three.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Fig. 2 is the front view of the utility model hoisting crane shock absorption device embodiment one, and Fig. 3 is the cutaway view of the utility model hoisting crane shock absorption device embodiment one.Please refer to Fig. 2, Fig. 3, the utility model embodiment one provides a kind of hoisting crane shock absorption device, comprising: axle box 1, the first journal box spring 101 being symmetricly set on described axle box 1 both sides and the second journal box spring 102, wedge 3, the first drawing strickle guide 201 being fixedly arranged on welded frame 2 bottom and the second drawing strickle guide 202, footstock 402 and straight top spring 401; The bottom surface of described wedge 3 is provided with the first boss 301, and described first boss 301 inserts in described first journal box spring 101; Described first drawing strickle guide 201 has skew wall, and described skew wall contacts with the upper surface of described wedge 3, described wedge 3 under the effect of described first drawing strickle guide 201 against the sidewall 103 of described axle box 1 side;
The bottom surface of described second drawing strickle guide 202 is provided with the second boss 203, and described second boss 203 inserts in described second journal box spring 102, and described second drawing strickle guide 202 is provided with towards the first groove of described axle box 2; Described footstock 402 has second groove of opening towards described first groove, and described second groove is embedded at described first groove, forms a cavity volume with described first groove; Described straight top spring 401 is positioned at described cavity volume, and one end of described straight top spring 401 is located at the inwall of described first groove, the other end of described straight top spring 401 is located at the bottom of described second groove, described footstock 402 under the effect of described straight top spring 401, against the sidewall 104 of described axle box opposite side.
Particularly, axle box 1 is arranged on the outside of wheel.Axle box 1 has two vertical sidewalls 103,104, and the upper surface of wedge 3 contacts with the first drawing strickle guide 201 skew wall of welded frame 2 bottom.
Wherein, the bottom surface of wedge 3 can be arc-shaped, and the first boss 301 inserts after in described first journal box spring 101, increases the contact surface of wedge 3 and the first journal box spring 101, wedge 3 is more stably placed on described first journal box spring 101.
When hoisting crane carrying weight, welded frame 2 is subject to the pressure of weight, by wedge 3 bottom surface being inserted the second boss 203 the first boss 301 in described first journal box spring 101 and the second drawing strickle guide 202 bottom surface inserted in described second journal box spring 102, the pressure carried by hoisting crane suffered by weight is passed on journal box spring.And then it is right to be delivered to wheel by axle box, is finally applied on rail, thus play the effect of hoisting crane carrying weight.And under the effect of the first drawing strickle guide 201, wedge 3 is subject to horizontal direction and towards the component of axle box, makes wedge 3 against the sidewall 103 of described axle box 1 side.Be in the straight top spring 401 of compressive state, level be positioned in the cavity volume that the second groove and the first groove formed, the horizontal direction that straight top spring 401 pairs of footstocks 402 apply and towards the application force of axle box.Wherein, the application force towards axle box that straight top spring 401 applies can be set to be subject to horizontal direction with wedge 3 and component size towards axle box is identical, specifically can by arranging the gradient of wedge 3 upper surface and straight elasticity modulus and the compression degree pushing up spring, above-mentioned two application forces are cancelled out each other, and namely the horizontal applied force of axle box both sides can be cancelled out each other.And the application force directly pushed up in horizontal direction that spring 401 applies to the second drawing strickle guide 202, act on welded frame 2, can not have an impact to axle box.
Wherein, the side of wedge 3 can be set to parallel with axle box sidewall 103, and when wedge 3 is subject to level component to the right, the sidewall of wedge 3 is against the sidewall 103 of axle box 1 side.
When hoisting crane produces vibration, wedge 3 and footstock 402 can produce vertical, transverse reciprocating relative to axle box 1 and move, wedge 3 contacts to produce with the sidewall 103 of axle box side and rubs, straight top spring 401 is by extruding footstock 402, footstock is made to contact to produce with the sidewall 104 of axle box opposite side and rub, and then consume the vibrational energy that produces when walking of hoisting crane, play and hinder that hoisting crane is vertical, the effect of lateral vibration.
In the present embodiment, by arranging wedge above the first journal box spring 101 in axle box, footstock 402 and straight top spring 401 is provided with in first groove of the second drawing strickle guide 202 above second journal box spring 102, make when hoisting crane produces vibration, wedge 3 contacts to produce with the sidewall 103 of axle box side and rubs, straight top spring 401 is by extruding footstock 402, footstock 402 is made to contact to produce with the sidewall 104 of axle box opposite side and rub, wedge 3 can produce vertical by relative axle box 1 with footstock 402, transverse reciprocating moves, and then the vibrational energy that consumption hoisting crane produces when walking, play and hinder hoisting crane vertical, the effect of lateral vibration.
Fig. 4 is the cutaway view of the utility model hoisting crane shock absorption device embodiment two, Fig. 5 is the enlarged drawing of wedge in the utility model hoisting crane shock absorption device embodiment two, refer to Fig. 4, Fig. 5, the hoisting crane shock absorption device that the utility model embodiment two provides, for on the basis of embodiment one, further refinement is carried out to shock absorption device.
Further, wedge 3 also has the first friction part 301 that the sidewall direction along described axle box 1 side extends, with the connecting portion 302 of the side and described first friction part 301 that are connected described wedge 3, described first friction part 301 is fitted with the sidewall 103 of described axle box 1 side.
Wherein, when arranging the first friction part 301, the sidewall of wedge 3 can be set to parallel with sidewall 103, also can be set to not parallel with sidewall 103 any direction.The shape of connecting portion 302 can be tabular or arcuation, as long as the side of wedge 3 can be connected with the first friction part 301, the shape of the present embodiment to connecting portion 302 does not limit.
By the first friction part 301 that the sidewall direction arranged along described axle box 1 side extends, the area of contact of wedge 3 and axle box sidewall 103 can be increased, in vibration processes, produce larger friction force, more obvious to the vibration damping of hoisting crane.
Accordingly, footstock 402 also can have the second friction part 403 that sidewall 104 direction along described axle box 1 opposite side extends, and described second friction part 403 is fitted with the sidewall 104 of described axle box 1 opposite side.By the second friction part 403 that sidewall 104 direction be provided with on base 402 along described axle box 1 opposite side extends, the area of contact of footstock 402 and axle box sidewall 104 can be increased, in vibration processes, produce larger friction force, more obvious to the vibration damping of hoisting crane.
Further, described first drawing strickle guide 201 can also be provided with stop part 204, and described stop part 204 inserts in the positioning groove that the side of described wedge 3, described connecting portion 302 and described first friction part 301 formed, to limit the shift position of described wedge 3.
Wherein, the side of described stop part 204 and described wedge 3, between described connecting portion 302 and described first friction part 301, be formed with gap, wedge 3 can be moved, but prevent wedge 3 from departing from.
Preferably, wedge 3 can be hollow structure, to alleviate the weight of wedge 3, thus alleviates the weight of shock absorption device.
Further, the first wearing plate can be provided with on the sidewall 103 of axle box 1 towards described first friction part 301; Axle box is provided with the second wearing plate on the sidewall 104 of described second friction part 403, avoiding the friction of wedge 3 and footstock 402 pairs of axle boxes generations when rubbing to cause the wearing and tearing of axle box 1, increasing the service life of axle box 1, protection axle box 1.
The skew wall of the first drawing strickle guide 201 also can being provided with the 3rd wearing plate, avoiding the upper surface of the wedge 3 when rubbing the friction that the skew wall of the first drawing strickle guide 201 produces to be caused to the wearing and tearing of the first drawing strickle guide 201.
Shock absorption device in the hoisting crane bogie truck that the present embodiment provides, by the first friction part that the sidewall direction arranged on wedge along described axle box side extends, the area of contact of wedge and axle box sidewall can be increased, in vibration processes, produce larger friction force, more obvious to the vibration damping of hoisting crane; By the second friction part that the sidewall direction be provided with on base along described axle box opposite side extends, the area of contact of footstock and axle box sidewall can be increased, in vibration processes, produce larger friction force, more obvious to the vibration damping of hoisting crane.
The utility model embodiment three provides a kind of hoisting crane bogie truck, comprising: it is right to take turns; Described wheel is connected to the hoisting crane shock absorption device described in the wheel at wheel shaft two ends and above-mentioned any embodiment to comprising symmetry; Wherein, described hoisting crane shock absorption device is arranged on described wheel.
Particularly, hoisting crane shock absorption device comprises: axle box, the first journal box spring being symmetricly set on described axle box both sides and the second journal box spring, wedge, the first drawing strickle guide being fixedly arranged on welded frame bottom and the second drawing strickle guide, footstock and directly push up spring; The bottom surface of described wedge is provided with the first boss, and described first boss inserts in described first journal box spring; Described first drawing strickle guide has skew wall, and described skew wall contacts with the upper surface of described wedge, described wedge under the effect of described first drawing strickle guide against the sidewall of described axle box side;
The bottom surface of described second drawing strickle guide is provided with the second boss, and described second boss inserts in described second journal box spring, and described second drawing strickle guide is provided with the first groove towards described axle box; Described footstock has second groove of opening towards described first groove, and described second groove is embedded at described first groove, forms a cavity volume with described first groove; Described straight top spring is positioned at described cavity volume, and one end of described straight top spring is located at the inwall of described first groove, the other end of described straight top spring is located at the bottom of described second groove, described footstock under the effect of described straight top spring, against the sidewall of described axle box opposite side.
In the present embodiment, by arranging hoisting crane shock absorption device on the wheel of bogie truck, make when hoisting crane produces vibration, the sidewall contact of wedge and axle box side produces and rubs, straight top spring, by extruding footstock, makes the sidewall contact of footstock and axle box opposite side produce and rubs, and wedge and footstock can produce vertical, transverse reciprocating relative to axle box and move, and then consume the vibrational energy that produces when walking of hoisting crane, play and hinder that hoisting crane is vertical, the effect of lateral vibration.
The front view of the described hoisting crane bogie truck that Fig. 6 provides for the utility model embodiment three, the birds-eye view of the described hoisting crane bogie truck that Fig. 7 provides for the utility model embodiment three, the structural representation of shock absorption device in the described hoisting crane bogie truck that Fig. 8 provides for the utility model embodiment three, refer to Fig. 6, Fig. 7, Fig. 8, further, the described first round of taking turns comprising mirror image setting takes turns 602 601 and second.
Particularly, the first round is parallel to welded frame and the wheel of the line of centers side of vertical hoist service direction is right to 601 for being arranged at, and second takes turns and be parallel to welded frame and the wheel of the line of centers opposite side of vertical hoist service direction is right to 602 for being arranged at.Accordingly, be arranged on the first round to the shock absorption device on 601 wheels be arranged on second and take turns the shock absorption device specular on 602 wheels.
By taking turns 602 to the first round being set to specular to 601 and second by the wheel in bogie truck, make the structure full symmetric in bogie truck, in bogie truck walking process, structure is more stable, increases damping effect further.
Preferably, the described first round to 601 and described second the quantity of taking turns 602 be two groups.When the first round to 601 and described second take turns to 602 quantity be two groups time, bogie structure is more stable, better to the supporting effect of hoisting crane.
It should be noted that, be only a kind of enforceable mode shown in figure, in practical application, can also take turns right quantity to the first round arrange with second as required, the present embodiment be limited at this.
Hoisting crane shock absorption device in the hoisting crane bogie truck that the present embodiment provides, by arranging wedge above the first journal box spring in axle box, be provided with footstock in first groove of the second drawing strickle guide and directly push up spring above second journal box spring, make when hoisting crane produces vibration, the sidewall contact of wedge and axle box side produces and rubs, straight top spring is by extruding footstock, the sidewall contact of footstock and axle box opposite side is produced rub, wedge can produce vertical by relative axle box with footstock, transverse reciprocating moves, and then the vibrational energy that consumption hoisting crane produces when walking, play and hinder hoisting crane vertical, the effect of lateral vibration.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (10)

1. a hoisting crane shock absorption device, it is characterized in that, comprising: axle box, the first journal box spring being symmetricly set on described axle box both sides and the second journal box spring, wedge, the first drawing strickle guide being fixedly arranged on welded frame bottom and the second drawing strickle guide, footstock and directly push up spring;
The bottom surface of described wedge is provided with the first boss, and described first boss inserts in described first journal box spring;
Described first drawing strickle guide has skew wall, and described skew wall contacts with the upper surface of described wedge, described wedge under the effect of described first drawing strickle guide against the sidewall of described axle box side;
The bottom surface of described second drawing strickle guide is provided with the second boss, and described second boss inserts in described second journal box spring, and described second drawing strickle guide is provided with the first groove towards described axle box;
Described footstock has second groove of opening towards described first groove, and described second groove is embedded at described first groove, forms a cavity volume with described first groove;
Described straight top spring is positioned at described cavity volume, and one end of described straight top spring is located at the inwall of described first groove, the other end of described straight top spring is located at the bottom of described second groove, described footstock under the effect of described straight top spring, against the sidewall of described axle box opposite side.
2. hoisting crane shock absorption device according to claim 1, is characterized in that,
Described wedge also has the first friction part that the sidewall direction along described axle box side extends, and with the connecting portion of the side and described first friction part that are connected described wedge, the sidewall of described first friction part and described axle box side is fitted.
3. hoisting crane shock absorption device according to claim 2, is characterized in that,
Described footstock also has the second friction part that the sidewall direction along described axle box opposite side extends, and the sidewall of described second friction part and described axle box opposite side is fitted.
4. hoisting crane shock absorption device according to claim 2, is characterized in that,
Described first drawing strickle guide also has stop part, described stop part insert the side of described wedge, described connecting portion and described first friction part formed positioning groove in, to limit the shift position of described wedge.
5. hoisting crane shock absorption device according to claim 1, is characterized in that,
Described wedge is hollow structure.
6. hoisting crane shock absorption device according to claim 3, is characterized in that,
Described axle box is provided with the first wearing plate on the sidewall of described first friction part;
Described axle box is provided with the second wearing plate on the sidewall of described second friction part.
7. hoisting crane shock absorption device according to claim 1, is characterized in that,
The described skew wall of described first drawing strickle guide is provided with the 3rd wearing plate.
8. a hoisting crane bogie truck, is characterized in that, comprising: it is right to take turns;
Described wheel is connected to the wheel at wheel shaft two ends and the hoisting crane shock absorption device according to any one of claim 1-7 to comprising symmetry;
Wherein, described hoisting crane shock absorption device is arranged on described wheel.
9. hoisting crane bogie truck according to claim 8, is characterized in that, described take turns to comprise mirror image arrange the first round to second take turns right.
10. hoisting crane bogie truck according to claim 9, is characterized in that, the described first round takes turns right quantity be two groups to described second.
CN201520211696.2U 2015-04-09 2015-04-09 Hoisting crane shock absorption device and hoisting crane bogie truck Active CN204641773U (en)

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Application Number Priority Date Filing Date Title
CN201520211696.2U CN204641773U (en) 2015-04-09 2015-04-09 Hoisting crane shock absorption device and hoisting crane bogie truck

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020191979A1 (en) * 2019-03-25 2020-10-01 中车齐齐哈尔车辆有限公司 Axle box suspension device and bogie with same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020191979A1 (en) * 2019-03-25 2020-10-01 中车齐齐哈尔车辆有限公司 Axle box suspension device and bogie with same

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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36

Patentee after: CRRC QIQIHAR VEHICLE CO., LTD.

Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36

Patentee before: Qiqihar Railway Rolling Stock Co., Ltd.