CN212685508U - Supporting leg and engineering vehicle - Google Patents
Supporting leg and engineering vehicle Download PDFInfo
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- CN212685508U CN212685508U CN202021760223.5U CN202021760223U CN212685508U CN 212685508 U CN212685508 U CN 212685508U CN 202021760223 U CN202021760223 U CN 202021760223U CN 212685508 U CN212685508 U CN 212685508U
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Abstract
The utility model provides a supporting leg and an engineering vehicle, which relate to the technical field of vehicle support and comprise a driving mechanism, a screw rod, a lower supporting leg and an overload protection mechanism; the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, a threaded hole is formed in one end, facing the driving mechanism, of the lower support leg, and the screw rod is matched with the threaded hole in the lower support leg, so that the lower support leg can move in the length direction of the screw rod. When the overload protection mechanism is used, the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, the screw rod is driven to rotate and is matched with the threaded hole in the lower supporting leg, the lower supporting leg can move along the length direction of the screw rod, the stretching of the lower supporting leg is achieved, the overload protection mechanism can achieve power transmission between the driving mechanism and the screw rod in a normal load state, when the load on the screw rod is larger than that of the driving mechanism, the overload protection mechanism enables the power transmission between the driving mechanism and the screw rod to be disconnected, the driving mechanism is protected, and the driving mechanism is prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of the vehicle supports technique and specifically relates to a supporting leg and engineering vehicle are related to.
Background
The support legs mounted on the trailer generally need to be manually lifted and lowered, and the operation is troublesome. Therefore, current supporting leg is equipped with motor and screw rod mechanism usually and drives, and the output of motor is connected with the one end of lead screw, and the lead screw is connected with lower landing leg, through the rotation of lead screw to realize reciprocating of lower landing leg, however, when the load on the supporting leg is greater than the load of motor, the motor can be in overload operating condition, can cause the damage to the motor, thereby influences the normal work of supporting leg.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supporting leg and engineering vehicle to when having alleviated the load that is greater than the motor among the prior art on the supporting leg, the motor can be in overload operating condition, can cause the damage to the motor, thereby influences the technical problem of the normal work of supporting leg.
The utility model provides a supporting leg, which comprises a driving mechanism, a screw rod, a lower supporting leg and an overload protection mechanism;
the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, a threaded hole is formed in one end, facing the driving mechanism, of the lower supporting leg, and the screw rod is matched with the threaded hole in the lower supporting leg, so that the lower supporting leg can move along the length direction of the screw rod;
the overload protection mechanism can transmit the power of the driving mechanism to the screw rod, and can disconnect the power transmission between the driving mechanism and the screw rod when the load of the screw rod is greater than that of the driving mechanism.
Further, the overload protection mechanism comprises a driving disc, a driven disc and a first elastic piece;
the output end of the driving mechanism is connected with the driving disc, so that the driving mechanism can drive the driving disc to rotate, and the driving disc can axially slide relative to the output shaft of the driving mechanism;
the driven disc is fixedly connected with one end of the screw rod;
one end of the first elastic piece is fixed, and the other end of the first elastic piece is connected with the driving disc;
the connection structure is arranged at the joint of the driving disc and the driven disc, the driven disc and the driving disc can be locked in the circumferential direction of the driven disc through the connection structure, and the driving disc can overcome the elastic force of the first elastic piece and slide along the axial direction of the screw rod to unlock the driving disc and the driven disc.
Further, the connecting structure comprises a ball, a first spherical groove arranged on the driving disc and facing the driven disc, and a second spherical groove arranged on the driven disc and corresponding to the first spherical groove;
the balls are installed in the first and second spherical grooves.
Further, the first elastic member is a spring.
Furthermore, the lead screw includes interconnect's screw thread portion and first spacing portion, first spacing portion sets up the lead screw is close to the one end of driven plate, when first spacing portion with the screw hole of landing leg meets down, the first spacing portion of lead screw with power does not transmit down between the landing leg.
Furthermore, the supporting leg comprises a second elastic piece, and the second elastic piece is sleeved on the screw rod between the driven disc and the lower supporting leg.
Furthermore, the screw rod comprises a second limiting part, the second limiting part is arranged at one end, away from the first limiting part, of the screw rod, and when the second limiting part and the threaded hole of the lower supporting leg are formed, power is not transmitted between the second limiting part and the lower supporting leg.
Furthermore, the supporting leg comprises a third elastic piece, a stopping part is arranged at one end, far away from the first limiting part, of the screw rod, and the stopping part extends into an inner cavity of the lower supporting leg;
the third elastic piece is sleeved on the second limiting part between the stopping part and the lower supporting leg.
Furthermore, the supporting leg comprises a shell, the driving mechanism, the overload protection mechanism and the screw rod are installed in the shell, and one end of the lower supporting leg is inserted into the shell.
The utility model provides an engineering vehicle, include the supporting leg.
The utility model provides a supporting leg, which comprises a driving mechanism, a screw rod, a lower supporting leg and an overload protection mechanism; the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, a threaded hole is formed in one end, facing the driving mechanism, of the lower supporting leg, and the screw rod is matched with the threaded hole in the lower supporting leg, so that the lower supporting leg can move along the length direction of the screw rod; the overload protection mechanism can transmit the power of the driving mechanism to the screw rod, and can disconnect the power transmission between the driving mechanism and the screw rod when the load of the screw rod is greater than that of the driving mechanism.
When the overload protection mechanism is used, the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, the screw rod is driven to rotate, the screw rod is matched with a threaded hole in the lower supporting leg, the lower supporting leg can move along the length direction of the screw rod, the stretching of the lower supporting leg is achieved, the overload protection mechanism can achieve power transmission between the driving mechanism and the screw rod under a normal load state, when the load on the screw rod is larger than that of the driving mechanism, the power transmission between the driving mechanism and the screw rod is disconnected, the driving mechanism is prevented from being in an overload state, the driving mechanism is protected, and the driving mechanism is prevented from being damaged.
The utility model provides an engineering vehicle, include the supporting leg, consequently, engineering vehicle also possesses the advantage of supporting leg.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a structural diagram of a support leg provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a support leg provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a support leg according to an embodiment of the present invention;
FIG. 4 is a structural diagram of a screw rod of a support leg provided by an embodiment of the present invention;
FIG. 5 is a structural diagram of a driving disk of a support leg according to an embodiment of the present invention;
FIG. 6 is a top view of a driving plate of a support leg provided by an embodiment of the present invention;
FIG. 7 is a sectional view of a driving plate of a support leg provided by an embodiment of the present invention;
FIG. 8 is a structural diagram of a driven plate of a support leg provided by an embodiment of the present invention;
FIG. 9 is a structural diagram of a lower leg of a support leg according to an embodiment of the present invention;
fig. 10 is a sectional view of a lower leg of a support leg provided by an embodiment of the present invention.
Icon: 100-a motor; 200-a screw rod; 210-a threaded portion; 220-a first limiting part; 230-a second limiting part; 240-a stop; 300-lower leg; 310-a threaded hole; 410-driving disk; 411-a first spherical groove; 412-a fixation hole; 420-a driven disc; 421-a second spherical groove; 430-balls; 510-a first spring; 520-a second spring; 530-a third spring; 600-a housing; 610-upper fixing plate; 620-lower fixing plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
As shown in fig. 1 to 10, the present invention provides a support leg, which comprises a driving mechanism, a screw rod 200, a lower support leg 300 and an overload protection mechanism; the driving mechanism is connected with one end of the screw rod 200 through an overload protection mechanism, a threaded hole 310 is formed in one end, facing the driving mechanism, of the lower leg 300, and the screw rod 200 is matched with the threaded hole 310 in the lower leg 300, so that the lower leg 300 can move in the length direction of the screw rod 200; the overload protection mechanism can transmit the power of the driving mechanism to the lead screw 200, and can disconnect the power transmission between the driving mechanism and the lead screw 200 when the load of the lead screw 200 is greater than that of the driving mechanism.
When the overload protection mechanism is used, the driving mechanism is connected with one end of the screw rod 200 through the overload protection mechanism, so that the screw rod 200 is driven to rotate, the screw rod 200 is matched with the threaded hole 310 in the lower supporting leg 300, so that the lower supporting leg 300 can move along the length direction of the screw rod 200, the stretching of the lower supporting leg 300 is realized, the overload protection mechanism can realize power transmission between the driving mechanism and the screw rod 200 in a normal load state, when the load on the screw rod 200 is greater than that of the driving mechanism, the power transmission between the driving mechanism and the screw rod 200 is disconnected, the driving mechanism is prevented from being in an overload state, the driving mechanism is protected, and the damage of the driving mechanism is avoided.
Preferably, in this embodiment, the overload protection mechanism includes a driving disk 410, a driven disk 420, and a first elastic member.
The output end of the driving mechanism is connected to the driving disk 410, so that the driving mechanism can drive the driving disk 410 to rotate, and the driving disk 410 can slide in the axial direction relative to the output shaft of the driving mechanism.
The driven plate 420 is fixedly connected with one end of the screw rod 200.
One end of the first elastic member is fixed and the other end is connected with the driving disk 410.
The joint of the driving disk 410 and the driven disk 420 is provided with a connecting structure, the connecting structure can lock the driven disk 420 and the driving disk 410 in the circumferential direction of the driven disk 420, and the driving disk 410 can overcome the elastic force of the first elastic piece to slide along the axial direction of the screw rod 200 to unlock the driving disk 410 and the driven disk 420.
Specifically, the drive mechanism includes a motor 100.
The output end of the motor 100 is connected with the driving disc 410, the driving disc 410 can be driven to rotate, meanwhile, the driving disc 410 can slide along the axial direction of the shaft output end of the motor 100, the driving disc 410 and the driven disc 420 are connected through a connecting structure, the driven disc 420 is fixedly connected with the upper end of the screw rod 200, the first elastic member is arranged between the motor 100 and the driving disc 410, one end of the first elastic member abuts against the driving disc 410, the other end of the first elastic member abuts against one end, facing the driving disc 410, of a first fixing plate between the motor 100 and the driving disc 410, under a normal working state, the driving disc 410 has a tendency of moving towards the driven disc 420 under the elastic force of the first elastic member, so that the driving disc 410 is connected with the driven disc 420 through the connecting structure, that the driven disc 420 and the driving disc 410 are locked in the circumferential direction of the driven disc 420 by the connecting structure, so that the driven disc 420 can rotate together under the driving disc 410, therefore, the screw rod 200 can be driven to rotate, and the screw rod 200 is matched with the threaded hole 310 on the lower support leg 300, so that the lower support leg 300 can move up and down along the length direction of the screw rod 200.
When the resistance of the lead screw 200 is large, the load of the driven disc 420 is larger than the load of the motor 100, and at this time, the main motion is pressed upward, so that the second elastic member is pressed, the driving disc 410 moves upward, the connection structure is disconnected, the power of the driving disc 410 cannot be transmitted to the driven disc 420, that is, the power transmission between the driving disc 410 and the driven disc 420 is disconnected, thereby preventing the overload operation of the motor 100 and protecting the motor 100.
In this embodiment, the support leg further includes an upper fixing plate 610 and a lower fixing plate 620, the driving plate 410 and the driven plate 420 are disposed between the upper fixing plate 610 and the lower fixing plate 620, the upper end of the first spring 510 abuts against the upper fixing plate 610, the lower end of the first spring 510 abuts against the upper end surface of the driving plate 410, and the upper end surface of the driven plate 420 abuts against the upper end surface of the lower fixing plate 620.
It should be noted that a fixing hole 412 is formed in the center of the driving disk 410, the output end of the motor 100 may be connected to the driving disk 410 through a coupling, that is, the output end of the motor 100 is fixedly connected to the upper end of the coupling, the lower end of the coupling is a protrusion corresponding to the fixing hole 412 in shape, the protrusion is inserted into the fixing hole 412, and can drive the driving disk 410 to rotate, and the protrusion can slide in the fixing hole 412 in the axial direction of the fixing hole 412.
Preferably, the coupling structure includes balls 430, a first spherical groove 411 provided on the driving disk 410 facing the driven disk 420, and a second spherical groove 421 provided on the driven disk 420 and corresponding to the first spherical groove 411.
The balls 430 are installed in the first and second ball grooves 411 and 421.
Specifically, the coupling structure between the driving disk 410 and the driven disk 420 includes balls 430, first spherical grooves 411, and second spherical grooves 421, wherein the first spherical grooves 411 are provided on the driving disk 410, the second spherical grooves 421 are provided on the driven disk 420, and the first spherical grooves 411 correspond to the second spherical grooves 421, the balls 430 are installed in the corresponding first spherical grooves 411 and second spherical grooves 421, and during normal transmission, the first elastic member presses the driving disk 410 downward to couple the first spherical grooves 411 on the driving disk 410 and the second spherical grooves 421 on the driven disk 420 via the balls 430, so that the power on the driving disk 410 can be transmitted to the driven disk 420 and the lead screw 200; when the load of the driven disk 420 is greater than the load of the motor 100, the driving disk 410 compresses the first elastic member upward, and the driving disk 410 and the driven disk 420 are separated to protect the motor 100.
The number of the first spherical grooves 411 and the second spherical grooves 421 may be plural and correspond one to one.
Wherein the plurality of first spherical grooves 411 may be evenly distributed in a circumferential direction on an end surface of the driving disk 410 facing the driven disk 420.
The connection structure may include a concave ball portion on the driving disk 410 and a convex ball portion on the driven disk 420, and the concave ball portion corresponds to the convex ball portion, and may also serve to transmit power and protect the motor 100.
Preferably, in this embodiment, the first elastic member is a spring.
Further, the screw rod 200 comprises a threaded portion 210 and a first limit portion 220 which are connected with each other, the first limit portion 220 is arranged at one end of the screw rod 200 close to the driven plate 420, and when the first limit portion 220 is connected with the threaded hole 310 of the lower leg 300, power is not transmitted between the first limit portion 220 of the screw rod 200 and the lower leg 300.
Specifically, the screw rod 200 includes a threaded portion 210 and a first position-limiting portion 220, the first position-limiting portion 220 is located at the top of the screw rod 200, the first position-limiting portion 220 is a non-threaded rod, and the diameter of the first position-limiting portion 220 is smaller than the diameter of the threaded hole 310 of the lower leg 300. When the screw thread portion 210 of the screw rod 200 is matched with the screw hole 310 on the lower leg 300, the lower leg 300 can move up and down through the rotation of the screw rod 200, when the lower leg 300 rises to the first limiting portion 220, the first limiting portion 220 cannot be matched with the screw hole 310 on the lower leg 300 when the screw rod 200 rotates, so that the rotating power of the screw rod 200 cannot be transmitted to the lower leg 300, and the highest position of the lower leg 300 is limited.
Further, the support leg includes a second elastic member, which is fitted over the lead screw 200 between the driven plate 420 and the lower leg 300.
Specifically, the second elastic member may be a second spring 520, the second spring 520 is sleeved on the lead screw 200 and is located between the sub-disc and the lower leg 300, when the lower leg 300 is located at the first position-limiting portion 220, the second spring 520 is compressed upward, so that power transmission is not performed between the first position-limiting portion 220 of the lead screw 200 and the lower leg 300, when the lower leg 300 needs to move downward, the elastic force of the second spring 520 can act on the upper end surface of the lower leg 300, so that the upper end of the threaded portion 210 of the lead screw 200 is better matched with the threaded hole 310 of the lower leg 300, and power transmission is achieved.
Further, the screw rod 200 further includes a second position-limiting portion 230, the second position-limiting portion 230 is disposed at an end of the screw rod 200 away from the first position-limiting portion 220, and when the second position-limiting portion 230 and the threaded hole 310 of the lower leg 300 are formed, power is not transmitted between the second position-limiting portion 230 and the lower leg 300.
Specifically, the screw rod 200 further includes a second position-limiting portion 230, the second position-limiting portion 230 is disposed at an end of the screw rod 200 far from the first position-limiting portion 220, the second position-limiting portion 230 is disposed at a lower end of the screw rod 200, similarly, the second position-limiting portion 230 is a non-threaded rod, and a diameter of the second position-limiting portion 230 is smaller than a diameter of the threaded hole 310 of the lower leg 300. When the threaded portion 210 of the screw rod 200 is matched with the threaded hole 310 on the lower leg 300, the lower leg 300 moves up and down through the rotation of the screw rod 200, when the lower leg 300 descends to the second limiting portion 230, when the screw rod 200 rotates, the threaded hole 310 of the lower leg 300 is sleeved on the second limiting portion 230 of the screw rod 200, the second limiting portion 230 cannot be matched with the threaded hole 310 on the lower leg 300, so that the rotating power of the screw rod 200 cannot be transmitted to the lower leg 300, and the lowest position of the lower leg 300 is limited.
Further, the support leg includes a third elastic member, a stopping portion 240 is disposed at an end of the screw rod 200 away from the first limiting portion 220, and the stopping portion 240 extends into the inner cavity of the lower support leg 300.
The third elastic member is sleeved on the second limiting portion 230 between the stopping portion 240 and the lower leg 300.
Specifically, the lower leg 300 is a hollow member, and one end of the lower leg 300 facing the driving mechanism is provided with a threaded hole 310, the threaded hole 310 penetrates through an outer side wall and an inner side wall of an upper end surface of the lower leg 300, a lower end of the lead screw 200 is inserted into the threaded hole, a stopping portion 240 is provided at a lower end of the lead screw 200, the third elastic member may be a third spring 530, the third spring 530 is sleeved on the lead screw 200 and is located between the stopping portion 240 and the inner side wall of the lower leg 300, the second spring 520 is sleeved on the second limiting portion 230 of the lead screw 200, and a lower end of the second spring 520 is abutted against the stopping portion 240.
When the lower leg 300 is located at the second position-limiting part 230, the third spring 530 is compressed downward, so that power transmission between the second position-limiting part 230 of the screw rod 200 and the lower leg 300 is not performed, and when the lower leg 300 needs to move upward, the elastic force of the third spring 530 can act on the inner sidewall of the lower leg 300, so that the lower end of the threaded part 210 of the screw rod 200 is better matched with the threaded hole 310 of the lower leg 300, and power transmission is realized.
Further, the supporting leg comprises a shell 600, a driving mechanism, an overload protection mechanism and a screw rod 200 are installed in the shell 600, and one end of the lower supporting leg 300 is inserted in the shell 600.
Specifically, the supporting leg further comprises a shell 600, an opening of the shell 600 faces downwards, a driving mechanism is arranged at the top of the shell 600 and is connected with the upper end of the screw rod 200 through an overload protection mechanism, the upper end of the lower supporting leg 300 is inserted into the shell 600, the screw rod 200 is matched with a threaded hole 310 in the upper end of the lower supporting leg 300, the driving mechanism drives the screw rod 200 to rotate through the overload protection mechanism, and therefore the lower supporting leg 300 connected with the screw rod 200 can move up and down.
The utility model provides an engineering vehicle, include the supporting leg, consequently, this engineering vehicle also possesses the advantage of foretell supporting leg.
In summary, the support leg provided by the utility model comprises a driving mechanism, a screw rod 200, a lower support leg 300 and an overload protection mechanism; the driving mechanism is connected with one end of the screw rod 200 through an overload protection mechanism, a threaded hole 310 is formed in one end, facing the driving mechanism, of the lower leg 300, and the screw rod 200 is matched with the threaded hole 310 in the lower leg 300, so that the lower leg 300 can move in the length direction of the screw rod 200; the overload protection mechanism can transmit the power of the driving mechanism to the lead screw 200, and can disconnect the power transmission between the driving mechanism and the lead screw 200 when the load of the lead screw 200 is greater than that of the driving mechanism. When the overload protection mechanism is used, the driving mechanism is connected with one end of the screw rod 200 through the overload protection mechanism, so that the screw rod 200 is driven to rotate, the screw rod 200 is matched with the threaded hole 310 in the lower supporting leg 300, so that the lower supporting leg 300 can move along the length direction of the screw rod 200, the stretching of the lower supporting leg 300 is realized, the overload protection mechanism can realize power transmission between the driving mechanism and the screw rod 200 in a normal load state, when the load on the screw rod 200 is greater than that of the driving mechanism, the power transmission between the driving mechanism and the screw rod 200 is disconnected, the driving mechanism is prevented from being in an overload state, the driving mechanism is protected, and the damage of the driving mechanism is avoided.
The utility model provides an engineering vehicle, including foretell supporting leg, consequently, this engineering vehicle also possesses the advantage of above-mentioned supporting leg.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A supporting leg is characterized by comprising a driving mechanism, a screw rod, a lower supporting leg and an overload protection mechanism;
the driving mechanism is connected with one end of the screw rod through the overload protection mechanism, a threaded hole is formed in one end, facing the driving mechanism, of the lower supporting leg, and the screw rod is matched with the threaded hole in the lower supporting leg, so that the lower supporting leg can move along the length direction of the screw rod;
the overload protection mechanism can transmit the power of the driving mechanism to the screw rod, and can disconnect the power transmission between the driving mechanism and the screw rod when the load of the screw rod is greater than that of the driving mechanism.
2. The support leg according to claim 1, wherein the overload protection mechanism comprises a driving disc, a driven disc, a first elastic member;
the output end of the driving mechanism is connected with the driving disc, so that the driving mechanism can drive the driving disc to rotate, and the driving disc can axially slide relative to the output shaft of the driving mechanism;
the driven disc is fixedly connected with one end of the screw rod;
one end of the first elastic piece is fixed, and the other end of the first elastic piece is connected with the driving disc;
the connection structure is arranged at the joint of the driving disc and the driven disc, the driven disc and the driving disc can be locked in the circumferential direction of the driven disc through the connection structure, and the driving disc can overcome the elastic force of the first elastic piece and slide along the axial direction of the screw rod to unlock the driving disc and the driven disc.
3. The support leg as claimed in claim 2, wherein the coupling structure includes a ball, a first spherical groove provided on the driving disk facing the driven disk, and a second spherical groove provided on the driven disk and corresponding to the first spherical groove;
the balls are installed in the first and second spherical grooves.
4. The support leg as claimed in claim 2, wherein the first elastic member is a spring.
5. The support leg as claimed in claim 2, wherein the screw rod includes a threaded portion and a first limit portion connected to each other, the first limit portion is disposed at an end of the screw rod close to the driven plate, and when the first limit portion is engaged with the threaded hole of the lower leg, power is not transmitted between the first limit portion of the screw rod and the lower leg.
6. The support leg as claimed in claim 5, wherein the support leg includes a second elastic member sleeved on the screw between the driven disc and the lower leg.
7. The supporting leg as claimed in claim 5, wherein the screw rod comprises a second limiting portion, the second limiting portion is arranged at one end of the screw rod far away from the first limiting portion, and when the second limiting portion is screwed with the screwed hole of the lower leg, power is not transmitted between the second limiting portion and the lower leg.
8. The supporting leg as claimed in claim 7, wherein the supporting leg comprises a third elastic member, a stopping portion is arranged at one end of the screw rod away from the first limiting portion, and the stopping portion extends into the inner cavity of the lower leg;
the third elastic piece is sleeved on the second limiting part between the stopping part and the lower supporting leg.
9. The support leg as claimed in claim 1, wherein the support leg comprises a housing, the driving mechanism, the overload protection mechanism and the lead screw are mounted in the housing, and one end of the lower leg is inserted into the housing.
10. A work vehicle, characterized in that it comprises a support leg according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021760223.5U CN212685508U (en) | 2020-08-20 | 2020-08-20 | Supporting leg and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021760223.5U CN212685508U (en) | 2020-08-20 | 2020-08-20 | Supporting leg and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212685508U true CN212685508U (en) | 2021-03-12 |
Family
ID=74902639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021760223.5U Active CN212685508U (en) | 2020-08-20 | 2020-08-20 | Supporting leg and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212685508U (en) |
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2020
- 2020-08-20 CN CN202021760223.5U patent/CN212685508U/en active Active
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