CN217841503U - Safety climbing ladder for truck-mounted crane - Google Patents

Abstract

The utility model discloses a security climbing ladder for vehicle-mounted crane, vehicle-mounted crane includes hydraulic pressure lift landing leg, climbing ladder includes the fixed disk, fixed disk fixed connection is on a lateral wall of hydraulic pressure lift landing leg, be equipped with a plurality of third screw holes in the fixed disk, one of them third screw hole female connection has the bolt, the rubber sleeve has been cup jointed to the head of bolt, is convenient for directly rotate the operation with the hand, one side of fixed disk is provided with second ladder frame, install the rotation axostylus axostyle between second ladder frame and the fixed disk, the first ladder frame of hydraulic pressure lift landing leg up end fixedly connected with, first screw hole has been seted up on the first ladder frame, set up on the second ladder frame with first screw hole assorted second screw hole. The utility model discloses simple structure lets the user more conveniently scramble to the operation position through folding ladder frame to through rotating, unite two into one two ladder frames, save space, improve work efficiency, reduce the potential safety hazard.

Description

A safety climbing ladder for a truck-mounted crane

technical field

The utility model belongs to the technical field of truck-mounted cranes, in particular to a safety climbing ladder used for truck-mounted cranes.

Background technique

The truck-mounted crane is the abbreviation of the truck-mounted lifting transport vehicle. It is generally composed of a truck chassis, a cab, a cargo box, a power take-off, a crane, and an operating position located outside the cab. The telescopic system is used to realize the lifting, turning and lifting of goods. The truck-mounted crane can be operated left and right, can rotate 360 degrees forward and backward, and can also rotate in all directions. When operating the crane, first open the mechanical lock and positioning pin, and then Fully extend the outrigger horizontal cylinder, and then extend the outrigger cylinder vertically to the ground for force. The ground for the outrigger must be flat and firm to keep the body balanced. Then the staff climbs to the operating position and operates the crane for hoisting operations .

In the prior art, most of the ladder frames for the truck-mounted crane to climb to the operating position are relatively simple because of the small space, and the climbing process is relatively difficult, and the climber is easy to fall, which has certain potential safety hazards.

Therefore, in view of the above-mentioned technical problems, it is necessary to provide a safety climbing ladder for a truck-mounted crane.

Utility model content

The purpose of this utility model is to provide a safety climbing ladder for truck-mounted cranes to solve the above problems.

In order to achieve the above object, the technical solution provided by an embodiment of the utility model is as follows:

A safety climbing ladder for a truck-mounted crane, the truck-mounted crane includes a hydraulic lifting leg, the climbing ladder includes a fixed plate, and the fixed plate is fixedly connected to a side wall of the hydraulic lifting leg , the fixed plate is provided with a plurality of third threaded holes, and one of the third threaded holes is internally threaded with a bolt;

One side of the fixed plate is provided with a second ladder frame, a rotating shaft is installed between the second ladder frame and the fixed plate, the upper end surface of the hydraulic lifting leg is fixedly connected with the first ladder frame, and the first ladder frame is A ladder frame is provided with a first threaded hole, and the second ladder frame is provided with a second threaded hole matching the first threaded hole, and both the first threaded hole and the second threaded hole are matched with the bolts, When the second ladder frame is rotated to contact with the first ladder frame through the rotating shaft, the bolts can be rotated into the first threaded hole and the second threaded hole to connect the first ladder frame and the second ladder frame.

As a further improvement of the utility model, a rubber sleeve is sleeved on the head of the bolt, and a magnet block is fixedly connected to the head of the bolt.

As a further improvement of the present utility model, the first ladder frame includes a plurality of first horizontal rods, and the first protective pad is sleeved on the first horizontal rods, and the second ladder frame includes a plurality of second horizontal rods , a second pad is sleeved on the second horizontal bar.

As a further improvement of the utility model, the lower end of the second ladder frame is rotatably connected with a ladder frame support plate.

As a further improvement of the present utility model, oblique threaded holes are provided on the second ladder frame, and the oblique threaded holes are matched with bolts.

As a further improvement of the present utility model, a limit hole is provided on the support plate of the ladder frame, and the limit hole matches the bolt.

As a further improvement of the utility model, a non-slip mat is laid on the lower end surface of the ladder frame support plate.

As a further improvement of the present utility model, the hydraulic lifting outriggers include outrigger telescopic beams, telescopic legs and hydraulic outrigger support plates.

Compared with the prior art, the utility model has the following advantages:

The utility model has a simple structure. The user can climb to the operating position more conveniently by folding the ladder frame, and the two ladder frames can be combined into one by rotating, which saves space, improves work efficiency, and reduces potential safety hazards.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments recorded in the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is a schematic structural view of a safety climbing ladder for a truck-mounted crane in an embodiment of the present invention;

Fig. 2 is a left view of a safety climbing ladder for a truck-mounted crane in an embodiment of the present invention;

Fig. 3 is a schematic diagram of a first use state of a safety climbing ladder for a truck-mounted crane in an embodiment of the present invention;

Fig. 4 is a schematic diagram of a second use state of a safety climbing ladder for a truck-mounted crane in an embodiment of the present invention.

In the figure: 1. Hydraulic lifting outrigger, 101. Outrigger telescopic beam, 102. Telescopic leg, 103. Hydraulic outrigger support plate, 2. The first ladder frame, 201. The first threaded hole, 202. The first pad , 3. Second ladder frame, 301. Second pad, 302. Second threaded hole, 303. Rotating plate, 304. Rotating shaft, 305. Oblique threaded hole, 4. Ladder frame support plate, 401. Limit Hole, 402. Anti-skid pad, 5. Fixed plate, 501. Bolt, 502. Rubber sleeve, 503.

The third threaded hole, 6. the first shaft, 7. the second shaft.

Detailed ways

The utility model will be described in detail below in conjunction with various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present utility model.

An embodiment of the utility model discloses a safety climbing ladder for truck-mounted cranes, as shown in Fig. 1 to Fig. 4 , which includes a hydraulic lifting leg 1, and the hydraulic lifting leg 1 includes a leg telescopic beam 101, The telescopic leg 102 and the hydraulic outrigger support plate 103, the hydraulic lifting outrigger 1 can be telescopic outrigger telescopic beam 101, one end of the outrigger telescopic beam 101 is fixedly connected to the telescopic leg 102, the telescopic leg 102 can be telescopically multi-sectioned, and the telescopic leg 102 The lower end surface is fixedly connected with a hydraulic outrigger support plate 103, and the specific hydraulic lifting outrigger 1 is generally four, and all of them are screw rods whose height can be adjusted independently. The height of the elevator should be high, so that all four legs can touch the ground, ensure the level of the elevator, and prevent it from tilting or even overturning when it is raised.

As shown in Fig. 1, the climbing ladder includes a fixed plate, which is fixedly connected on the side wall of the hydraulic lifting leg 1, and a second ladder frame 3 is provided on one side of the fixed plate, and the second ladder frame 3 and the fixed disk 5 are installed with a rotating shaft 304, wherein the rotating shaft 304 is provided with a rotatable shaft, the shaft is connected with the rotating shaft 304 and the fixed disk 5, when the second ladder frame 3 is rotated, it will rotate The shaft rod in the shaft rod 304 can rotate in the rotation shaft rod 304 and the fixed disk 5 with the rotation of the second ladder frame 3, and the adjustment of any angle up and down the second ladder frame 3 can be realized by rotating the shaft rod 304, which is convenient Control of the direction of the second ladder frame 3.

As shown in Figures 1 to 4, a plurality of third threaded holes 503 are provided in the fixed plate 5, and a bolt 501 is slidably connected in one of the third threaded holes 503, and the third threaded hole 503 matches the bolt 501, and the bolt 501 It can be slidably connected in any third threaded hole 503 .

Specifically, when you want to rotate the second ladder frame 3 to a desired angle, you can rotate the second ladder frame 3 to the vicinity of the third threaded hole 503 to confirm the angle, then take out the bolt 501 and insert it into the selected third threaded hole 503. Inside the threaded hole 503 , it plays the role of fixing the second ladder frame 3 . In other words, the second ladder frame 3 can be adjusted to an appropriate angle according to the on-site environment and the comfort of the user, and then the bolt 501 is taken out from the third threaded hole 503 where it is located, and inserted into the third threaded hole 503 adjacent to the adjusted angle In the position, it plays the role of fixing the second ladder frame 3.

As shown in Figures 1 to 4, the rubber sleeve 502 is provided with a magnet block to realize the connection of the rubber sleeve 502 to the fixed plate 5 through magnetic attraction, and to strengthen the connection between the fixed rubber sleeve 502 and the fixed plate 5. There is a magnet block, and when the bolt 501 fixedly connected with the rubber sleeve 502 is inserted into the corresponding hole, the rubber sleeve 502 will magnetically attract the corresponding hole to play a role in strengthening the fixation.

As shown in Figures 1 to 4, the head of the bolt is sleeved with a rubber sleeve. The rubber sleeve is relatively soft and comfortable, and is convenient for direct rotation operation by hand, improving the user's comfort.

As shown in Figures 1 to 4, the upper end surface of the hydraulic lifting leg 1 is connected with the first ladder frame 2, and one end of the side wall of the first ladder frame 2 is provided with a first threaded hole 201, and the upper end surface of the second ladder frame 3 is provided with a The second threaded hole 302 matched with the first threaded hole 201, the first threaded hole 201 and the second threaded hole 302 are matched with the bolt 501, specifically when the second ladder frame 3 is rotated to the first threaded hole 304 by the rotating shaft 304 When the ladder frame 2 is in contact, the bolt 501 can be taken out from the third threaded hole 503, and then the bolt 501 can be rotated and inserted into the first threaded hole 201 and the second threaded hole 302 to realize the first ladder frame 2. It is connected with the second ladder frame 3 through bolts 501 .

That is, by rotating the second ladder frame 3, the second ladder frame 3 is in contact with the first ladder frame 2. At this time, the first threaded hole 201 on the first ladder frame 2 is matched with the second threaded hole 302, and the bolt 501 Take it out from the hole position of the third threaded hole 503, and insert it into the first threaded hole 201 and the second threaded hole 302 by turning the bolt 501 to connect the first ladder frame 2 and the second ladder frame 3, And the connection between the first ladder frame 2 and the second ladder frame 3 is fixed, so that the second ladder frame 3 is connected with the first ladder frame 2 through rotation, saving space.

As shown in FIG. 3 , a limiting hole 401 is provided on the upper surface of the ladder support plate 4 , and the limiting hole 401 matches the second threaded hole 302 , that is, the bolt 501 can be inserted into the limiting hole 401 and the second threaded hole 302 .

As shown in Figure 3, the first ladder frame 2 includes a plurality of first horizontal rods, and the first protective pads 202 are sleeved on the first horizontal rods, and the second ladder frame 3 includes a plurality of second horizontal rods, and the second horizontal rods Both the rods are sleeved with second pads 301, and the first pads 202 and the second pads 301 are provided with anti-skid patterns. The material of the first pads 202 and the second pads 301 is rubber, which is soft and comfortable. The height is high, when the user climbs, the first pad 202 and the second pad 301 can be directly used to improve the comfort of the user, and have an anti-skid effect to prevent falling due to slipping during the climbing process, reducing occurrence of security incidents.

As shown in Figure 4, a pair of first shaft rods 6 are fixedly connected to the second ladder frame 3, a pair of second shaft rods 7 are fixedly connected to the support plate 4 of the ladder frame, and the connection between the first shaft rods 6 and the second shaft rods 7 A rotating plate 303 is connected between them, and the rotating plate 303 is respectively provided with a first rotating hole and a second rotating hole matching the first shaft 6 and the second shaft 7, the first shaft 6 runs through the first rotating hole, The second shaft rod 7 passes through the second rotation hole.

Specifically, the lower end of the second ladder frame 3 is rotatably connected with the ladder frame support plate 4. When the ladder frame support plate 4 is turned upward, the first shaft 6 will be in the first rotation hole as the ladder frame support plate 4 rotates. Rotate, at the same time the second shaft rod 7 also rotates in the second rotation hole along with the rotation of the ladder frame support plate 4, so as to realize the control of the vertical movement direction of the ladder frame support plate 4.

As shown in Fig. 4, the second ladder frame 3 is provided with oblique threaded holes 305, and the oblique threaded holes 305 are matched with the bolts 501. Take out the threaded hole 503, insert the bolt 501 into the oblique threaded hole 305 by turning, and abut against the ladder frame support plate 4, so as to realize the contact between the fixed ladder frame support plate 4 and the ground, and prevent the ladder frame support plate 4 from upward Sliding can increase the support of the truck-mounted crane when it is working, and minimize the situation where the truck-mounted crane tilts or even overturns.

As shown in FIGS. 1 to 4 , an anti-slip mat 402 is laid on the lower end surface of the ladder frame support plate 4 to specifically enhance the supporting force.

When in use, as shown in Figure 3, when the ladder frame is not needed, the second ladder frame 3 can be rotated to contact the first ladder frame 2, and the bolt 501 can be removed from the third threaded hole 503. Take it out, and insert it into the first threaded hole 201 and the second threaded hole 302 by turning the bolt 501 to fix the connection between the first ladder frame 2 and the second ladder frame 3, and connect the first ladder frame 2 to the second ladder frame 3. Two ladder frames 3 are combined to save space, and this state is the first use state.

As shown in Figure 4, when the ladder frame needs to be used, the bolt 501 can be taken out from the first threaded hole 201 and the second threaded hole 302 by turning, and then the second ladder frame 3 can be rotated close to the ground and adjusted to a suitable position. Angle, and rotate the ladder frame support plate 4 to contact with the ground, insert the bolt 501 into the oblique threaded hole 305 through rotation, abut against the ladder frame support plate 4, and realize the fixed contact between the ladder frame support plate 4 and the ground, Prevent the ladder support plate 4 from sliding upwards, play a supporting role, increase the supporting force when the truck-mounted crane is working, and minimize the situation that the truck-mounted crane tilts or even overturns. This state is the second use state.

As can be seen from the above technical solutions, the utility model has the following beneficial effects:

The utility model has a simple structure. The user can climb to the operating position more conveniently by folding the ladder frame, and the two ladder frames can be combined into one by rotating, which saves space, improves work efficiency, and reduces potential safety hazards.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although the specification is described according to the embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A safety climbing ladder for a truck-mounted crane, the truck-mounted crane includes a hydraulic lifting leg, it is characterized in that the climbing ladder includes a fixed plate, and the fixed plate is fixedly connected to the hydraulic lifting leg On the side wall of the leg, a plurality of third threaded holes are provided in the fixed plate, and one of the third threaded holes is internally threaded with a bolt; One side of the fixed plate is provided with a second ladder frame, a rotating shaft is installed between the second ladder frame and the fixed plate, the upper end surface of the hydraulic lifting leg is fixedly connected with the first ladder frame, and the first ladder frame is A ladder frame is provided with a first threaded hole, and the second ladder frame is provided with a second threaded hole matching the first threaded hole, and both the first threaded hole and the second threaded hole are matched with the bolts, When the second ladder frame is rotated to contact with the first ladder frame through the rotating shaft, the bolts can be rotated into the first threaded hole and the second threaded hole to connect the first ladder frame and the second ladder frame. 2. A safety climbing ladder for a truck-mounted crane according to claim 1, wherein a rubber sleeve is sleeved on the head of the bolt, and a magnet is fixedly connected to the head of the bolt piece. 3. A safety climbing ladder for a truck-mounted crane according to claim 1, wherein the first ladder frame includes a plurality of first horizontal rods, and the first horizontal rods are sleeved There is a first protective pad, and the second ladder frame includes a plurality of second horizontal rods, and the second protective pads are sleeved on the second horizontal rods. 4. A safety climbing ladder for a truck-mounted crane according to claim 1 or 3, wherein the lower end of the second ladder frame is rotatably connected to a ladder frame support plate. 5. A safety climbing ladder for a truck-mounted crane according to claim 1 or 3, characterized in that, the second ladder frame is provided with an oblique threaded hole, and the oblique threaded hole is connected to the bolt. match. 6 . A safety climbing ladder for a truck-mounted crane according to claim 4 , wherein a limiting hole is provided on the support plate of the ladder frame, and the limiting hole matches the bolt. 6 . 7. A safety climbing ladder for a truck-mounted crane according to claim 4, wherein a non-slip mat is laid on the lower end surface of the ladder frame support plate. 8. A safety climbing ladder for a truck-mounted crane according to claim 1, wherein the hydraulic lifting outriggers comprise outrigger telescopic beams, telescopic legs and hydraulic outrigger support plates.

Images