CN213895004U - Vehicle-mounted boarding ladder - Google Patents
Vehicle-mounted boarding ladder Download PDFInfo
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- CN213895004U CN213895004U CN202022439447.2U CN202022439447U CN213895004U CN 213895004 U CN213895004 U CN 213895004U CN 202022439447 U CN202022439447 U CN 202022439447U CN 213895004 U CN213895004 U CN 213895004U
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- ladder
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- boarding
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Abstract
The utility model relates to an automobile-used accessories field specifically discloses an on-vehicle ladder of boarding, which comprises a carriage body, the telescopic leg and the ladder of boarding of support automobile body, the ladder of boarding includes main ladder, vice ladder, can dismantle the connecting portion of connecting main ladder and vice ladder and the articulated portion of main ladder and vice ladder, main ladder and automobile body fixed connection, articulated portion include guide holder and the slider that the level set up, one side of guide holder and the lower extreme fixed connection of main ladder are equipped with on the guide holder and supply slider slope or vertical gliding spout, the slider is connected near the one end of main ladder with vice ladder. When the scheme is forgotten to fold the auxiliary ladder, the lower end of the auxiliary ladder is pressed upwards vertically to the ground, so that the auxiliary ladder is pushed to move upwards, the sliding part moves upwards in the sliding groove synchronously, the pressure on the hinged part can be reduced, and the hinged part can be effectively protected.
Description
Technical Field
The utility model belongs to automobile-used accessories field, concretely relates to on-vehicle ladder of boarding.
Background
The chassis and the automobile body height of part large-scale construction vehicle are all higher, in order to facilitate climbing and construction, can generally install the boarding ladder that can fold up at the afterbody of vehicle, and the boarding ladder comprises articulated two parts.
When the large construction vehicle such as a crane is in construction, the telescopic supporting legs are required to support the vehicle body, so that wheels of the vehicle are lifted off the ground, and when the boarding ladder is used, the lower end of the boarding ladder is landed after the boarding ladder is extended, so that the lower end of the boarding ladder is lower than the wheels of the vehicle; when the telescopic supporting legs need to be retracted after construction is completed, the boarding ladder is often forgotten to be folded, and at the moment, after wheels touch the ground, the hinged part of the boarding ladder is broken, so that the use of the boarding ladder is directly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle-mounted boarding ladder to solve when forgetting to fold up the boarding ladder, the problem that the articulated department of boarding ladder loses easily.
In order to achieve the above object, the basic scheme of the present invention is as follows: the utility model provides an on-vehicle ladder of boarding, which comprises a carriage body, the telescopic leg and the ladder of boarding that support the automobile body, the ladder of boarding includes main ladder, vice ladder, can dismantle the connecting portion of connecting main ladder and vice ladder and the articulated portion of main ladder and vice ladder, main ladder and automobile body fixed connection, articulated portion includes guide holder and the slider that the level set up, one side of guide holder and the lower extreme fixed connection of main ladder, be equipped with on the guide holder and supply slider slope or vertical gliding spout, the slider is connected near the one end of main ladder with vice ladder.
The principle and advantages of the basic scheme are as follows: when the vehicle runs, the main ladder and the auxiliary ladder are in a folding state; when the vehicle runs to a construction place, the telescopic supporting legs are extended, the telescopic supporting legs support the vehicle body, and wheels on the vehicle body are in a ground-off state; then the connecting part is disassembled, the main ladder and the auxiliary ladder are separated, the lower end of the auxiliary ladder rotates around the hinged part, meanwhile, the sliding part slides downwards along the sliding groove, after the lower end of the auxiliary ladder is abutted against the ground, the sliding part stops moving in the sliding groove, the auxiliary ladder is stably supported on the ground, and the lower end of the auxiliary ladder can be stably abutted against the ground.
After the construction is finished, the four telescopic supporting legs are shortened, and the vehicle body moves downwards; if the auxiliary ladder is forgotten to be folded, the lower end of the auxiliary ladder is pressed vertically upwards by the ground, so that the auxiliary ladder is pushed to move upwards, and the sliding piece moves upwards in the sliding groove synchronously; meanwhile, the sliding piece can rotate relatively in the sliding groove, the upper end of the auxiliary ladder rotates relatively to the lower end of the main ladder, pressure on the hinge portion can be reduced, and the hinge portion can be effectively protected.
Furthermore, the sliding part comprises a guide rod and an elastic clamping ring, one end of the guide rod passes through the end parts of the sliding groove and the auxiliary ladder and is fixedly connected with the elastic clamping ring, one end, far away from the elastic clamping ring, of the guide rod abuts against one side of the guide seat, and the elastic clamping ring abuts against the other side of the guide seat.
Through the arrangement, the guide rod can be stably arranged at the sliding groove of the guide seat in a sliding manner under the limit of the elastic clamping ring; meanwhile, the structure of the guide rod is simple and reliable when the guide rod is matched with the sliding groove, so that the guide rod can be inclined or vertically moved along the sliding groove conveniently.
Furthermore, a sliding shaft sleeve is arranged between the guide rod and the end part of the auxiliary ladder, the sliding shaft sleeve is coaxially and rotatably arranged on the guide rod, and the sliding shaft sleeve is fixedly connected with the end part of the auxiliary ladder.
Through the arrangement, when the lower end of the auxiliary ladder is under the large pressure on the ground, the sliding shaft sleeve on the end part of the auxiliary ladder can rotate relative to the guide rod, so that the auxiliary ladder rotates towards the direction close to the main ladder, the pressure on the guide rod is reduced, and the risk of hinge part breakage can be further reduced.
Further, the quantity of slider and guide holder is two, and two sliders and guide holder all set up along the vertical central line symmetry of main ladder.
Through the arrangement, the sliding parts and the guide seats on the two sides can stably support the rotation of the auxiliary ladder, the rotation of the end part of the auxiliary ladder is more stable, and the auxiliary ladder can have more stable supporting force correspondingly.
Furthermore, connecting portion are the hasp, and the hasp includes fixed block and locking buckle, and fixed block fixed mounting is on the side of main ladder, and locking buckle horizontal fixed mounting is served near one of vice ladder at the fixed block, and the locking buckle can offset with the side of vice ladder.
Through the setting of locking buckle, when folding up the vice ladder, the locking buckle can offset with the lateral wall of vice ladder, realizes the locking to the vice ladder, and the locking of vice ladder is convenient quick, and the vice ladder of also being convenient for is laminated with the main ladder, realizes folding up the quick of boarding ladder.
Furthermore, the locking buckle is opposite to the middle part of the auxiliary ladder.
Through the arrangement, the lock catch can lock the middle part of the auxiliary ladder, so that the auxiliary ladder can be locked more stably.
Furthermore, the number of the lock catches is two, and the two lock catches are symmetrically arranged along the vertical center line of the main ladder.
Through the arrangement, the lock catch can lock the auxiliary ladder from the two sides of the auxiliary ladder, and the locking strength of the auxiliary ladder is improved.
Furthermore, the cross section of the locking buckle is L-shaped, the upper end of the locking buckle is fixedly connected with the fixed block, and the side wall of the lower end of the locking buckle can be abutted against one side of the auxiliary ladder far away from the main ladder.
Through the arrangement, when the side walls of the two locking buckles abut against one side, away from the main ladder, of the auxiliary ladder, the auxiliary ladder can be stably clamped between the two locking buckles, and the vehicle can be prevented from falling off from the locking buckles in the running process.
Furthermore, the auxiliary ladder is rotatably provided with a roller at one end far away from the main ladder.
When the vehicle body descends and forgets to fold the auxiliary ladder, the lower end of the auxiliary ladder is easy to be tightly abutted against the ground, and at the moment, when the auxiliary ladder is folded, the rotatable rollers can form rolling friction with the ground, so that the lower end of the auxiliary ladder can be rotated more conveniently and labor-saving, and the auxiliary ladder can be conveniently folded.
Further, the roller is a rubber wheel.
Through the arrangement, the anti-skid performance and the wear resistance of the roller can be effectively improved, and meanwhile, the lower end of the auxiliary ladder can be stably supported.
Drawings
Fig. 1 is a structural diagram of a main view direction of a vehicle-mounted boarding ladder according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a left side view of the vehicle-mounted boarding ladder in fig. 1 in a use state;
FIG. 3 is an enlarged cross-sectional view of FIG. 1 at the left hinge;
fig. 4 is the utility model discloses an implement 2 a structural schematic of on-vehicle boarding ladder side view direction.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the ladder comprises a vehicle body 10, telescopic legs 101, a main ladder 201, an auxiliary ladder 202, a guide seat 203, a sliding groove 204, a guide rod 205, an elastic collar 206, a sliding shaft sleeve 207, a fixing block 208, a locking buckle 209, a roller 210, a connecting frame 211, a hanging rod 212 and a hanging ring 213.
Example 1
Example 1 is substantially as shown in figures 1, 2 and 3: a vehicle-mounted boarding ladder comprises a vehicle body 10, four telescopic supporting legs 101 for supporting the vehicle body 10 and a boarding ladder, wherein the upper ends of the telescopic supporting legs 101 are welded with the lower side of the vehicle body 10.
The boarding ladder comprises a main ladder 201, an auxiliary ladder 202, a connecting part for detachably connecting the main ladder 201 and the auxiliary ladder 202 and a hinge part for hinging the main ladder 201 and the auxiliary ladder 202, wherein a connecting frame 211 is horizontally welded between the main ladder 201 and a vehicle body 10, as shown in fig. 1 and 2, the hinge part comprises a guide seat 203 and a sliding part which are horizontally arranged, the sliding part comprises a guide rod 205 and an elastic collar 206, the upper side of the guide seat 203 is welded with the lower end of the main ladder 201, and a sliding groove 204 for the guide rod 205 to obliquely slide is arranged on the guide seat 203; as shown in fig. 3, the right end of the guide rod 205 passes through the end portions of the sliding slot 204 and the auxiliary ladder 202 and is welded with the elastic collar 206, the left end of the guide rod 205 abuts against the left side of the guide seat 203, the elastic collar 206 abuts against the right side of the guide seat 203, a sliding shaft sleeve 207 is installed between the guide rod 205 and the end portion of the auxiliary ladder 202, the sliding shaft sleeve 207 is coaxially and rotatably installed on the guide rod 205, and the sliding shaft sleeve 207 is welded with the end portion of the auxiliary ladder 202.
As shown in fig. 1, the number of the sliding members and the guide seats 203 is two, and the two sliding members and the guide seats 203 are symmetrically arranged along the vertical center line of the main ladder 201.
As shown in fig. 1 and 2, the connecting portion is a lock catch, the number of the lock catches is two, and the two lock catches are symmetrically arranged along a vertical center line of the main ladder 201; the lock catch comprises a fixed block 208 and a locking buckle 209, the fixed block 208 is welded on the vertical side surface of the main ladder 201, the locking buckle 209 is horizontally arranged on the right end of the fixed block 208, the locking buckle 209 and the fixed block 208 are integrally formed, and the locking buckle 209 is opposite to the middle part of the auxiliary ladder 202; meanwhile, as shown in fig. 2, the cross section of the locking buckle 209 is "L" shaped, and the right inner wall of the locking buckle 209 can abut against the right side of the auxiliary ladder 202 far away from the main ladder 201.
As shown in fig. 2, when the auxiliary ladder 202 is separated from the main ladder 201, a roller 210 is rotatably mounted on the lower end of the auxiliary ladder 202 through a rotating shaft, and the roller 210 is a rubber wheel.
When the vehicle-mounted boarding ladder in the embodiment is used, the four telescopic supporting legs 101 are firstly extended, the extended telescopic supporting legs 101 support the vehicle body 10, and at the moment, tires below the vehicle body 10 are separated from the ground, so that the four telescopic supporting legs 101 can stably support the vehicle body 10 during operation.
When the boarding ladder needs to be used, the locking buckles 209 are slightly broken off from both sides, so that the left side and the right side of the auxiliary ladder 202 are not limited any more, at the moment, the lower end of the auxiliary ladder 202 rotates relative to the lower end of the main ladder 201, when the auxiliary ladder 202 rotates and is unfolded, the sliding shaft sleeve 207 rotates relative to the guide rod 205, meanwhile, the guide rod 205 moves downwards along the sliding groove 204, after the roller 210 at the lower end of the auxiliary ladder 202 abuts against the ground, the guide rod 205 stops moving in the sliding groove 204, and the auxiliary ladder 202 is stably supported on the ground.
After the vehicle construction is finished, the four telescopic supporting legs 101 are shortened, and the vehicle body 10 moves downwards; if the auxiliary ladder 202 is forgotten to be folded, the roller 210 at the lower end of the auxiliary ladder 202 is pressed upwards vertically by the ground, and then the auxiliary ladder 202 is pushed to move upwards, so that the guide rod 205 moves upwards synchronously in the sliding groove 204, and the sliding shaft sleeve 207 at the upper end of the auxiliary ladder 202 can also rotate relative to the guide rod 205, so that the auxiliary ladder 202 rotates anticlockwise, the pressure on the hinge part is reduced, and the hinge part can be effectively protected.
When the tire of the vehicle is abutted to the ground, the auxiliary ladder 202 rotates anticlockwise to be in a vertical state, the auxiliary ladder 202 is extruded between the two locking buckles 209, after the inner wall of each locking buckle 209 is attached to the right side of the auxiliary ladder 202, the auxiliary ladder 202 is also attached to the main ladder 201, and the auxiliary ladder 202 can be folded quickly.
Example 2
Embodiment 2 is different from embodiment 1 in that embodiment 2 is basically as shown in fig. 4, and further includes a hook unit, where the hook unit includes a hook 212 and a hook 213, a left end of the hook 212 is hinged to a front side of the connecting frame 211, a right end of the hook 212 is in a hook shape, the hook 213 is welded to a front side of the auxiliary ladder 202, an axis of the hook 213 is vertically arranged, and a right end of the hook 212 can be embedded into the hook 213.
Compared with the embodiment 1, the vehicle-mounted boarding ladder in the embodiment has the following difference when in use, when the auxiliary ladder 202 is folded onto the main ladder 201, the hanging rod 212 is rotated clockwise, so that the hook at the right end of the hanging rod 212 is embedded into the hanging ring 213, after the hanging rod 212 and the hanging ring 213 are buckled, the folding of the auxiliary ladder 202 can be further limited, the pressure of the locking buckle 209 can be reduced, and the vehicle is prevented from falling off from the locking buckle 209 in the running process.
Claims (10)
1. The utility model provides an on-vehicle boarding ladder, includes automobile body, the flexible landing leg and the boarding ladder that support the automobile body, its characterized in that, the boarding ladder includes main ladder, vice ladder, can dismantle the connecting portion of connecting main ladder and vice ladder and the articulated portion of main ladder and vice ladder, main ladder and automobile body fixed connection, articulated portion includes the guide holder and the slider that the level set up, and one side of guide holder and the lower extreme fixed connection of main ladder are equipped with on the guide holder and supply slider slope or vertical gliding spout, and the slider is connected near the one end of main ladder with vice ladder.
2. The vehicle-mounted boarding ladder of claim 1, wherein the sliding member comprises a guide rod and an elastic collar, one end of the guide rod passes through the sliding chute and the end part of the auxiliary ladder and is fixedly connected with the elastic collar, one end of the guide rod, far away from the elastic collar, abuts against one side of the guide seat, and the elastic collar abuts against the other side of the guide seat.
3. The vehicle-mounted boarding ladder of claim 2, wherein a sliding shaft sleeve is mounted between the guide rod and the end part of the auxiliary ladder, the sliding shaft sleeve is coaxially and rotatably mounted on the guide rod, and the sliding shaft sleeve is fixedly connected with the end part of the auxiliary ladder.
4. The vehicle-mounted boarding ladder of claim 3, wherein the number of the sliding members and the guide seats is two, and the two sliding members and the two guide seats are symmetrically arranged along a vertical center line of the main ladder.
5. The vehicle-mounted boarding ladder of claim 4, wherein the connecting part is a lock catch, the lock catch comprises a fixing block and a locking buckle, the fixing block is fixedly arranged on the side surface of the main ladder, the locking buckle is horizontally and fixedly arranged at one end of the fixing block close to the auxiliary ladder, and the locking buckle can abut against the side surface of the auxiliary ladder.
6. The vehicle boarding ladder of claim 5, wherein the locking buckle is opposite to the middle of the auxiliary ladder.
7. The vehicle-mounted boarding ladder of claim 6, wherein the number of the latches is two, and the two latches are symmetrically arranged along a vertical center line of the main ladder.
8. The vehicle-mounted boarding ladder of claim 7, wherein the cross section of the locking buckle is L-shaped, the upper end of the locking buckle is fixedly connected with the fixed block, and the side wall of the lower end of the locking buckle can abut against one side of the auxiliary ladder far away from the main ladder.
9. The vehicle boarding ladder of any one of claims 1 to 8, wherein rollers are rotatably mounted on an end of the auxiliary ladder remote from the main ladder.
10. The vehicle boarding ladder of claim 9, wherein the rollers are rubber wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439447.2U CN213895004U (en) | 2020-10-28 | 2020-10-28 | Vehicle-mounted boarding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439447.2U CN213895004U (en) | 2020-10-28 | 2020-10-28 | Vehicle-mounted boarding ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213895004U true CN213895004U (en) | 2021-08-06 |
Family
ID=77115399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022439447.2U Active CN213895004U (en) | 2020-10-28 | 2020-10-28 | Vehicle-mounted boarding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213895004U (en) |
-
2020
- 2020-10-28 CN CN202022439447.2U patent/CN213895004U/en active Active
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| GR01 | Patent grant |