CN204415154U - A kind of part-time case and apply its vehicle - Google Patents

A kind of part-time case and apply its vehicle Download PDF

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Publication number
CN204415154U
CN204415154U CN201520057109.9U CN201520057109U CN204415154U CN 204415154 U CN204415154 U CN 204415154U CN 201520057109 U CN201520057109 U CN 201520057109U CN 204415154 U CN204415154 U CN 204415154U
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CN
China
Prior art keywords
bevel gear
finishing bevel
shaft
gear cuter
drive shaft
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520057109.9U
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Chinese (zh)
Inventor
魏文彬
候海杰
赵梓江
孟伟
赵晴
左延婷
岳路峰
高立冬
谢英杰
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201520057109.9U priority Critical patent/CN204415154U/en
Application granted granted Critical
Publication of CN204415154U publication Critical patent/CN204415154U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of part-time case and applies its vehicle, this part-time case comprises the first transmission shaft and second driving shaft, first transmission shaft is provided with the first finishing bevel gear cuter, second driving shaft is provided with the second finishing bevel gear cuter, the bus of the first finishing bevel gear cuter and the second finishing bevel gear cuter be arranged in parallel, and is provided with torque transfer between the first finishing bevel gear cuter and the second finishing bevel gear cuter; Torque transfer comprises: the power drive shaft parallel with bus, be set in the power transmission gear on power drive shaft and be used for driving power transmission gear along the driver element moved axially of power drive shaft; Power transmission gear can rotate by moving power transmission shafr, and power transmission gear all engages with the first finishing bevel gear cuter and the second finishing bevel gear cuter.This part-time case can make vehicle according to the service condition of actual road conditions and each drive wheel, the power distribution ratio that moment adjusts two transmission shafts, can not only improve the tractive performance of car load and the comformability to environment, can also reduce oil consumption, strengthen fuel economy, its Combination property obviously strengthens.

Description

A kind of part-time case and apply its vehicle
Technical field
The utility model relates to vehicle drive system technical field, particularly a kind of part-time case and apply its vehicle.
Background technology
At present, the driving system of most of family-sized car is two drive mode of operation structure, two cars driving mode of operation can meet the demand of riding instead of walk of ordinary consumer substantially, but along with improving constantly of living standard, customer is to the safety of vehicle, traveling comfort, dynamic property, economy, and the requirement of vehicle to compatible with environment is more and more higher, there is 4 wheel driven mode of operation vehicle subsequently, such as, cross-country car and luxury car etc.And some performance only given prominence to usually by the vehicle of existing 4 wheel driven mode of operation, such as, tractive performance and off-road capability obviously strengthen, but, still can not meet safety, economy and the comformability requirement to environment.
Utility model content
In view of this, the utility model is intended to the vehicle proposing a kind of part-time case and apply it, to solve the safety of the vehicle of existing 4 wheel driven mode of operation, economy and the technical matters lower to the comformability of environment.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of part-time case, comprise the first transmission shaft and second driving shaft, described first transmission shaft is provided with the first finishing bevel gear cuter, described second driving shaft is provided with the second finishing bevel gear cuter, the bus of described first finishing bevel gear cuter and described second finishing bevel gear cuter be arranged in parallel, and be provided with between described first finishing bevel gear cuter and described second finishing bevel gear cuter can the torque transfer of transferring power;
Described torque transfer comprises: the power drive shaft paralleled with described bus, be set in the power transmission gear on described power drive shaft and be used for driving described power transmission gear along the driver element moved axially of described power drive shaft; Described power transmission gear can rotate around described power drive shaft, and described power transmission gear all engages with described first finishing bevel gear cuter and described second finishing bevel gear cuter.
Further, be arranged with antifriction-bearing box between described power drive shaft and described power transmission gear, the outer ring of described antifriction-bearing box is fixedly connected with described power transmission gear, and the inner ring of described antifriction-bearing box is set on described power drive shaft; The inner ring of described antifriction-bearing box is driven by described driver element and moves along its axis direction.
Further, the inner ring of described antifriction-bearing box is provided with negative thread, and described power drive shaft is provided with the outside thread mated with described negative thread, and one end of described power drive shaft is fixedly connected with the driver element for driving described power drive shaft to rotate.Concrete, described driver element is motor, and the connection mode between the output shaft of described motor and described power drive shaft is clamping.
Or the inner ring of described antifriction-bearing box is provided with the guide groove with its axis being parallel, accordingly, described power drive shaft is provided with the guide rail matched with described guide groove; The inner ring of described antifriction-bearing box connects the driver element being used for driving described inner ring moving linearly.Concrete, described driver element is hydraulic actuating cylinder or cylinder, and the piston rod of described hydraulic actuating cylinder or cylinder is fixedly connected with the inner ring of described antifriction-bearing box.
Further, the outer ring of described antifriction-bearing box is provided with spline, and described power transmission gear is provided with the spline matched with described spline.
Further, described power drive shaft is provided with for preventing described power transmission gear from moving to locating part outside its stroke range.
Further, described first finishing bevel gear cuter and described first transmission shaft are integrated setting, or described first finishing bevel gear cuter is set on described first transmission shaft regularly; Described second finishing bevel gear cuter and described second driving shaft are integrated setting, or described second finishing bevel gear cuter is set on described second driving shaft regularly.
Relative to prior art, part-time case described in the utility model has following advantage:
Part-time case described in the utility model can be arranged on car body when using, wherein, first, second transmission shaft is two separate axle drive shafts (can drive wheel movement), one of them drive axle of first transmission shaft and vehicle is connected, another drive axle of second driving shaft and vehicle is connected, and two axle drive shafts are by car body or the member supporting that is fixed on car body.First transmission shaft can drive the first finishing bevel gear cuter on it to rotate, second driving shaft can drive the second finishing bevel gear cuter on it to rotate, owing to being provided with the power transmission gear all engaged with both between these two finishing bevel gear cuters, and power transmission gear is set on power drive shaft, and power transmission gear can rotate by moving power transmission shafr, thus make the first finishing bevel gear cuter (or second finishing bevel gear cuter) drive the second finishing bevel gear cuter (or first finishing bevel gear cuter) to rotate by this power transmission gear, that is: by the transmission of power of the first transmission shaft (or second driving shaft) to second driving shaft (or first transmission shaft), make two transmission shafts drive vehicle operating simultaneously, namely four wheel drive is realized.
In addition, in part-time case described in the utility model, because the bus of first, second finishing bevel gear cuter be arranged in parallel, make the gap between these two finishing bevel gear cuters identical everywhere, because torque transfer is provided with driver element, make this driver element that power transmission gear can be driven to move along the axial reciprocating of power drive shaft, along with the position at power transmission gear place constantly changes, transmitting ratio between first finishing bevel gear cuter and the second finishing bevel gear cuter is constantly change, the ratio of the power distribution between two finishing bevel gear cuters can be made like this to be continuous continually varying, thus realize the stepless change of revolution ratio and powerdriven stepless distribution, make vehicle can according to the service condition of real road road conditions and each drive wheel, the power distribution ratio of continuous adjustment two transmission shafts, the tractive performance of car load and the comformability to environment can not only be improved, oil consumption can also be reduced, strengthen fuel economy, its Combination property obviously strengthens.
A kind of vehicle, be provided with above-mentioned part-time case, described first transmission shaft is connected with one of them drive axle of described vehicle, and described second driving shaft is connected with another drive axle of described vehicle.
The Dominant Facies that described vehicle and above-mentioned part-time case have relative to prior art is same, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the part-time case described in the utility model embodiment;
Fig. 2 is part-time case in Fig. 1 structural representation when being in the first end position;
Fig. 3 is part-time case in Fig. 1 structural representation when being in the second end position;
Fig. 4 is the partial enlargement structural representation at A place in position in Fig. 1.
Description of reference numerals:
1-first finishing bevel gear cuter, 2-first transmission shaft, 3-second finishing bevel gear cuter, 4-second driving shaft,
5-torque transfer;
501-power transmission gear, 502-power drive shaft, 503-driver element, 504-antifriction-bearing box.
A represents the reference diameter of the first finishing bevel gear cuter;
B represents the reference diameter of the second finishing bevel gear cuter;
A 1represent when power transmission gear is positioned at the first end position, the reference diameter of reference circle in this position of the first finishing bevel gear cuter;
B 1represent when power transmission gear is positioned at the first end position, the reference diameter of reference circle in this position of the second finishing bevel gear cuter;
A 2represent when power transmission gear is positioned at the second end position, the reference diameter of reference circle in this position of the first finishing bevel gear cuter;
B 2represent when power transmission gear is positioned at the second end position, the reference diameter of reference circle in this position of the second finishing bevel gear cuter.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Embodiment one
The present embodiment is a kind of part-time case, as shown in Figure 1-Figure 3, comprise the first transmission shaft 2 and second driving shaft 4, first transmission shaft 2 is provided with the first finishing bevel gear cuter 1, second driving shaft 4 is provided with the second finishing bevel gear cuter 3, the bus of the first finishing bevel gear cuter 1 and the second finishing bevel gear cuter 3 be arranged in parallel, and is provided with torque transfer 5 between the first finishing bevel gear cuter 1 and the second finishing bevel gear cuter 3.
Torque transfer 5 in the present embodiment comprises: the power drive shaft 501 paralleled with above-mentioned finishing bevel gear cuter bus, be set in the power transmission gear 501 on power drive shaft 502 and be used for driving power transmission gear 501 along the driver element 503 moved axially of power drive shaft 502; Power transmission gear 501 can rotate by moving power transmission shafr 502, and power transmission gear 501 all engages with the first finishing bevel gear cuter 1 and the second finishing bevel gear cuter 3.
In the present embodiment, during use, this part-time case is arranged on car body, wherein, first, second driving shaft is two separate axle drive shafts (can drive wheel movement), two axle drive shafts are by car body or the member supporting that is fixed on car body, first transmission shaft 2 is connected with one of them drive axle of vehicle, second driving shaft 4 is connected with another drive axle of vehicle, first transmission shaft 2 can drive the first finishing bevel gear cuter 1 on it to rotate, second driving shaft 4 can drive the second finishing bevel gear cuter 3 on it to rotate, owing to being provided with the power transmission gear 501 all engaged with both between two finishing bevel gear cuters, and power transmission gear 501 is set on power drive shaft 502, and can rotate by moving power transmission shafr 502, thus make the first finishing bevel gear cuter 1 (or second finishing bevel gear cuter 3) drive the second finishing bevel gear cuter 3 (or first finishing bevel gear cuter 1) to rotate by this power transmission gear 501, that is: by the transmission of power of the first transmission shaft 2 (or second driving shaft 4) to second driving shaft 4 (or first transmission shaft 2), make two transmission shafts drive vehicle operating simultaneously, namely four wheel drive is realized.
In addition, in the present embodiment, because the bus of first, second finishing bevel gear cuter be arranged in parallel, make the gap between two finishing bevel gear cuters identical everywhere, because torque transfer 5 is provided with driver element 503, make this driver element 503 that power transmission gear 501 can be driven to move along the axial reciprocating of power drive shaft 502, during continuous change along with power transmission gear 501 position, transmitting ratio between first finishing bevel gear cuter 1 and the second finishing bevel gear cuter 3 is constantly change, the power distribution between two finishing bevel gear cuters can be made like this than being also constantly change, to realize the stepless change of revolution ratio and powerdriven stepless distribution, make vehicle can according to the service condition of real road road conditions and each drive wheel, the power distribution ratio of continuous adjustment two transmission shafts, not only improve the tractive performance of car load and the comformability to environment, oil consumption can also be reduced, strengthen fuel economy, its Combination property obviously strengthens.
Because power transmission gear 501 is rotary relative to power drive shaft 502, so can by power transmission gear 501 empty set on power drive shaft 502, making between the two can circumferentially relative sliding, at both in relative rotational motion, in order to reduce friction force between the two, as shown in Figure 4, antifriction-bearing box 504 can be arranged with by between the power drive shaft 502 of the torque transfer 5 in the present embodiment and power transmission gear 501, the outer ring of antifriction-bearing box 504 is fixedly connected with power transmission gear 501, the inner ring of antifriction-bearing box 504 is set on power drive shaft 502, that is: the friction force between power transmission gear 501 and power drive shaft 502 is made to be friction of rolling, reducing between the two while friction force, can reduce wear, extend the service life of power transmission gear 501 and power drive shaft 502, can also reduce by the waste of power produced that rubs, improve driving efficiency.In addition, in torque transfer 5, the inner ring of antifriction-bearing box 504 can be driven by driver element 503 and move along its axis direction, setting like this, power transmission gear 501 can not only be made to rotate smoothly, power transmission gear 501 crank motion on power drive shaft 502 can also be made, thus realize the stepless distribution of power.
In the present embodiment, as shown in Figure 4, negative thread can be provided with at the inner ring of antifriction-bearing box 504, power drive shaft 502 is provided with the outside thread matched with this negative thread, now, antifriction-bearing box 504 essence has the function of nut, and power drive shaft 502 has the function of screw mandrel.In addition, one end of power drive shaft 502 is fixedly connected with the driver element for driving power drive shaft 502 to rotate.Concrete, this driver element can be motor, and output shaft and the power drive shaft 502 of motor are connected together, and this connection mode is simple.Machine operation drives power drive shaft 502 to rotate, and power drive shaft 502 rotates drive antifriction-bearing box 504 moving axially along power drive shaft 502, thus realizes driving power transmission gear 501 to move at diverse location by motor, realizes the stepless distribution of power.
In the present embodiment, the outer ring of antifriction-bearing box 504 is fixedly connected with power transmission gear 502, conveniently installs, and the uniform force of junction both ensureing, the outer ring of antifriction-bearing box 504 arranges spline, and accordingly, power transmission gear 501 arranges the spline matched with this spline.Other connection mode can certainly be adopted, such as, can flat key, webge groove etc. be adopted, both can also be made to be interference fit.
Motional inertia is there is in the moving process of power transmission gear 501, move to outside its stroke range to prevent power transmission gear 501, in the present embodiment, power drive shaft 502 is provided with locating part (not shown), and this locating part is located at the terminal position place of the stroke range of power transmission gear 501.
In the present embodiment, as shown in Figure 1-Figure 3, first finishing bevel gear cuter 1 and the first transmission shaft 2 are integrated setting, second finishing bevel gear cuter 3 is integrated setting with second driving shaft 4, finishing bevel gear cuter and transmission shaft integral structure are established and are equivalent to bevel gear shaft, the uniform force when finishing bevel gear cuter of this kind of structure and corresponding transmission shaft transferring power, thus can not only make in power transmission process more stable, its service life can also be extended.In addition, first finishing bevel gear cuter 2 can be set on the first transmission shaft 2 regularly, second finishing bevel gear cuter 3 can be set on second driving shaft 4 regularly, such as, for key is connected or interference fit between each finishing bevel gear cuter with corresponding transmission shaft, this kind of vibrational power flow and connection mode, have handling ease, save the low and easy-to-dismount advantage of material, cost.
Enumerate power distribution situation when power transmission gear 501 is positioned at three diverse locations below, as described below.
Power transmission gear 501 is positioned at the first end position: when the first transmission shaft 2 needs larger propulsive effort, machine operation is also rotated forward or backwards according to the actual position of power transmission gear 501, power transmission gear 501 is made to move to the first extreme position as shown in Figure 2, now, the first transmission shaft 2 with the power distribution ratio of second driving shaft 4 is: b 1/ a 1, thus the drive wheel that the first transmission shaft 2 is driven is assigned to stronger power.
Power transmission gear 501 is positioned at the second end position: when second driving shaft 4 needs larger propulsive effort, machine operation is also rotated forward or backwards according to the actual position of power transmission gear 501, power transmission gear 501 is made to move to the second extreme position as shown in Figure 3, now, the first transmission shaft 2 with the power distribution ratio of second driving shaft 4 is: b 2/ a 2, thus the drive wheel that second driving shaft 4 is driven is assigned to stronger power.
Power transmission gear 501 is positioned at certain position within its stroke range: the power distribution ratio between the first transmission shaft 2 and transmission shaft 4 is at b 1/ a 1with b 2/ a 2during scope, machine operation is also rotated forward or backwards according to the actual position of power transmission gear 501, power transmission gear 501 is made to move to certain position as shown in Figure 1, the first transmission shaft 2 and second driving shaft 4 is made all to be assigned to rational power, thus ensure each drive wheel co-ordination, make vehicle be in optimal movement state all the time.
Embodiment two
The present embodiment is another kind of part-time case, and this part-time case is identical with the part-time case principle in above-described embodiment one, structural similitude, and its something in common does not repeat them here, and is only described its difference, described in its difference is specific as follows.
In the present embodiment, the inner ring of antifriction-bearing box be provided with the guide groove of its axis being parallel (such as, keyway), not shown, accordingly, power drive shaft is provided with the guide rail (such as, long key) matched with this guide groove, and the inner ring of antifriction-bearing box connects the driver element being used for driving this inner ring moving linearly.Concrete, driver element is hydraulic actuating cylinder or cylinder, and the piston rod of hydraulic actuating cylinder or cylinder is fixedly connected with the inner ring of antifriction-bearing box.
The crank motion of control plunger bar is carried out by the liquid in hydraulic control cylinder or cylinder respective cavities or gas flow, piston rod drives the inner ring crank motion of antifriction-bearing box, thus propulsion power transmission gear does straight reciprocating motion along the axis of power drive shaft, realize the stepless distribution of power.It can thus be appreciated that, power transmission gear in the present embodiment can not only realize circumference and rotate, to transmit the power between two finishing bevel gear cuters, can also moving axially along power drive shaft, realize the stepless distribution of power, thus improve the tractive performance of car load and the comformability to environment, can also oil consumption be reduced, strengthen fuel economy, its Combination property obviously strengthens.
Embodiment three
The present embodiment is a kind of vehicle, be provided with above-described embodiment one or the part-time case described in embodiment two, wherein, first transmission shaft is connected with one of them drive axle of vehicle, second driving shaft is connected with another drive axle of vehicle, and the first transmission shaft, second driving shaft, power drive shaft and driver element all can by car body or the member supporting be fixed on car body.
First transmission shaft can drive the front-wheel (or trailing wheel) of vehicle to move, second driving shaft can drive the trailing wheel (front-wheel) of vehicle to move, and by the power on power drive reasonable distribution two transmission shafts, thus the propulsive effort on reasonable distribution front and rear wheel, realize the stepless distribution of power, make vehicle be in best motoring condition.
The Dominant Facies that vehicle and above-mentioned part-time case have relative to prior art is same, that is: the tractive performance of car load and the comformability to environment can be improved, oil consumption can also be reduced, strengthen fuel economy, its Combination property obviously strengthens, other advantage refers to the description of above-mentioned two embodiments, does not repeat them here.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a part-time case, it is characterized in that, comprise the first transmission shaft (2) and second driving shaft (4), described first transmission shaft (2) is provided with the first finishing bevel gear cuter (1), described second driving shaft (4) is provided with the second finishing bevel gear cuter (3), the bus of described first finishing bevel gear cuter (1) and described second finishing bevel gear cuter (3) be arranged in parallel, and the torque transfer (5) be provided with between described first finishing bevel gear cuter (1) and described second finishing bevel gear cuter (3);
Described torque transfer (5) comprising: the power drive shaft (502) paralleled with described bus, be set in the power transmission gear (501) on described power drive shaft (502) and be used for driving described power transmission gear (501) along the driver element (503) moved axially of described power drive shaft (502); Described power transmission gear (501) can rotate around described power drive shaft (502), and described power transmission gear (501) all engages with described first finishing bevel gear cuter (1) and described second finishing bevel gear cuter (3).
2. part-time case according to claim 1, it is characterized in that, antifriction-bearing box (504) is arranged with between described power drive shaft (502) and described power transmission gear (501), the outer ring of described antifriction-bearing box (504) is fixedly connected with described power transmission gear (501), and the inner ring of described antifriction-bearing box (504) is set in (502) on described power drive shaft; The inner ring of described antifriction-bearing box (504) is driven by described driver element (503) and moves along its axis direction.
3. part-time case according to claim 2, it is characterized in that, the inner ring of described antifriction-bearing box is provided with negative thread, described power drive shaft (502) is provided with the outside thread mated with described negative thread, and one end of described power drive shaft (502) is fixedly connected with the driver element (503) for driving described power drive shaft (502) to rotate.
4. part-time case according to claim 3, is characterized in that, described driver element (503) is motor, and the connection mode between the output shaft of described motor and described power drive shaft (502) is clamping.
5. part-time case according to claim 2, is characterized in that, the inner ring of described antifriction-bearing box is provided with the guide groove with its axis being parallel, and accordingly, described power drive shaft (502) is provided with the guide rail matched with described guide groove; The inner ring of described antifriction-bearing box (504) connects the driver element (503) being used for driving described inner ring moving linearly.
6. part-time case according to claim 5, is characterized in that, described driver element (503) is hydraulic actuating cylinder or cylinder, and the piston rod of described hydraulic actuating cylinder or cylinder is fixedly connected with the inner ring of described antifriction-bearing box (504).
7. the part-time case according to any one of claim 2-6, is characterized in that, the outer ring of described antifriction-bearing box (504) is provided with spline, and described power transmission gear (501) is provided with the spline matched with described spline.
8. the part-time case according to any one of claim 1-6, is characterized in that, described power drive shaft (502) is provided with for preventing described power transmission gear (501) from moving to locating part outside its stroke range.
9. the part-time case according to any one of claim 1-6, it is characterized in that, described first finishing bevel gear cuter (1) and described first transmission shaft (2) are integrated setting, or described first finishing bevel gear cuter (1) is set on described first transmission shaft (2) regularly; Described second finishing bevel gear cuter (3) and described second driving shaft (4) are integrated setting, or described second finishing bevel gear cuter (3) is set on described second driving shaft (4) regularly.
10. a vehicle, it is characterized in that, be provided with the part-time case as described in any one of claim 1-9, described first transmission shaft (2) is connected with one of them drive axle of described vehicle, and described second driving shaft (4) is connected with another drive axle of described vehicle.
CN201520057109.9U 2015-01-27 2015-01-27 A kind of part-time case and apply its vehicle Expired - Fee Related CN204415154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520057109.9U CN204415154U (en) 2015-01-27 2015-01-27 A kind of part-time case and apply its vehicle

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Application Number Priority Date Filing Date Title
CN201520057109.9U CN204415154U (en) 2015-01-27 2015-01-27 A kind of part-time case and apply its vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116950154A (en) * 2023-08-22 2023-10-27 海峡(福建)交通工程设计有限公司 Safety protection construction system based on shield underpass overhead bridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116950154A (en) * 2023-08-22 2023-10-27 海峡(福建)交通工程设计有限公司 Safety protection construction system based on shield underpass overhead bridge
CN116950154B (en) * 2023-08-22 2024-03-22 海峡(福建)交通工程设计有限公司 Safety protection construction system based on shield underpass overhead bridge

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Granted publication date: 20150624