Hydraulic lifting working bucket

Abstract

The utility model belongs to the technical field of lifting, and particularly relates to a hydraulic lifting working bucket which comprises a base and a mounting frame, the mounting frame is mounted at the top end of the base, and a buffer protection mechanism and a lifting mechanism are arranged at the top end of the base. According to the hydraulic lifting working bucket, by arranging the buffer protection mechanism, in the lifting process of the working bucket, the buffer effect on the bottom end of the working bucket can be achieved, so that the safety performance of the hydraulic lifting working bucket is improved, the two sides of the working bucket can be protected, and the problem that in the lifting process of the hydraulic lifting working bucket proposed in the background art, the working bucket cannot be lifted easily is solved. The problem that the safety performance of the device is affected to a certain extent due to the fact that the working bucket does not have a certain buffering effect in the prior art is solved, by arranging the lifting mechanism, the working bucket can be stably lifted, the lifting stability is improved, the working bucket can be rapidly mounted and dismounted, the convenience of dismounting and mounting the working bucket is improved, and the working bucket is more convenient to use. And the practical performance of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting, in particular to a hydraulic lifting working bucket. Background Art

[0002] Aerial work vehicles are special aerial work equipment that lifts workers, tools, materials, etc. to designated locations in the air through a work platform for various installation, maintenance, etc. Since the equipment is used to carry people to work at high altitudes, the safety requirements for the equipment are very high.

[0003] The working bucket of an aerial work vehicle is usually raised and lowered by extending and retracting the working arm. The working arm is usually long and heavy. If the entire working arm is adjusted to achieve the lifting and lowering action within a small range of the working bucket, it will inevitably affect the stability and safety of the working arm. Improper operation may even cause the working bucket to tip over and cause danger.

[0004] In the patent document with the publication number CN204079410U, a hydraulic lifting device for the working bucket of an aerial work vehicle is proposed, which includes a working bucket, an arm connecting assembly, a bucket connecting assembly and a hydraulic cylinder group. The arm connecting assembly includes a frame-type bracket, and the two sides of the frame-type bracket are respectively provided with vertically arranged guide shafts, and the guide shafts are respectively penetrated with guide sleeves sliding along the guide shafts; the bucket connecting assembly includes a connecting bottom plate, and the end face of one side of the connecting bottom plate is fixed on the working bucket, and the end face of the other side of the connecting bottom plate is fixed on the guide sleeve; the hydraulic cylinder group includes two hydraulic cylinders fixedly connected in opposite directions. The utility model has a large carrying capacity, a light weight, and a continuous adjustment of the lifting action within a tight range of the structure, and has the advantages of smooth lifting action, safety and reliability.

[0005] However, the device does not have a certain buffering effect during the lifting process, so that the safety performance of the device is affected to a certain extent.

[0006] For this reason, we urgently need to provide a kind of hydraulic lifting working bucket Utility Model Content

[0007] The purpose of the utility model is to provide a hydraulic lifting working bucket to solve the problem that the device proposed in the above background technology does not have a certain buffering effect during the lifting process, thereby affecting the safety performance of the device to a certain extent.

[0008] To achieve the above purpose, the utility model provides the following technical solutions: a hydraulic lifting working bucket, including a base and a mounting frame, the mounting frame is installed on the top of the base, and the top of the base is provided with a buffer protection mechanism and a lifting mechanism.

[0009] The buffer protection mechanism comprises a buffer unit and a protection unit.

[0010] The buffer unit includes a buffer hole, a buffer spring, a buffer column and a back plate. The buffer hole is opened at the top of the base, the buffer spring is connected to the bottom end of the buffer hole, the buffer column is connected to the other end of the buffer spring, and the back plate is installed at the top of the buffer column.

[0011] Preferably, the protection unit includes a fixed box, a slide rail, a mounting block and a protection plate, the fixed box is installed on the side end of the base, the slide rail is installed on the inner wall of the fixed box, the mounting block is arranged inside the fixed box, and the protection plate is movably installed on the top of the mounting block.

[0012] Preferably, the lifting mechanism includes a hydraulic cylinder, a connecting seat, a side groove, a support rod, a limit rod, a mounting sleeve, a working bucket and a fixing bolt. The hydraulic cylinder is installed at the fixed end of the mounting frame, the connecting seat is installed at the top of the hydraulic cylinder, the side groove is opened on the side of the mounting frame, the support rod is installed at the bottom end of the side groove, the limit rod is installed on the side of the connecting seat, the mounting sleeve is installed on one side of the connecting seat, the working bucket is arranged at the top of the base, and the fixing bolt is connected to the side of the mounting sleeve.

[0013] Preferably, the diameter of the buffer column is smaller than the aperture of the buffer hole, so that the buffer column can be extended into the buffer hole under the action of pressure, thereby buffering the working bucket. The top end of the abutment plate is sleeved with a soft sleeve, which further plays a buffering role and improves the protection of the bottom end of the working bucket.

[0014] Preferably, the protection units are symmetrically distributed on both sides of the working bucket, thereby improving the protection effect on the working bucket. The connecting end of the mounting block abuts against and is slidably connected to the outer wall of the slide rail, thereby facilitating the installation and movement of the protection plate, thereby improving the convenience of protection.

[0015] Preferably, the support rod and the limit rod are symmetrically distributed on both sides of the working bucket, thereby improving the lifting stability of the working bucket. The inner wall of the other end of the limit rod abuts against and is slidably connected to the outer wall of the support rod. The limit rod supports the connecting seat, thereby improving the supporting effect on the working bucket.

[0016] Preferably, a connecting hole is provided at the top end of the support rod to facilitate connection with other support rods, thereby expanding the support range. The working bucket is fixed to the mounting sleeve by a fixing bolt, so that the working bucket can be quickly disassembled and assembled, thereby improving the ease of use of the device.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The hydraulic lifting working bucket is provided with a buffer protection mechanism, which can play a buffering role on the bottom of the working bucket during the lifting process of the working bucket, thereby improving the safety performance of the device, and can also protect both sides of the working bucket, solving the problem proposed in the background technology that the device does not have a certain buffering effect during the lifting process, thereby affecting the safety performance of the device to a certain extent.

[0019] 2. The hydraulic lifting working bucket, by setting a lifting mechanism, can not only stably lift the working bucket, improving the lifting stability, but also can quickly install and disassemble the working bucket, thereby improving the convenience of disassembling the working bucket and improving the practical performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0021] Figure 2 It is a side view structural schematic diagram of the utility model;

[0022] Figure 3 This is a schematic cross-sectional view of the buffer protection mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the lifting mechanism structure of the utility model.

[0024] In the figure: 1, base; 2, mounting frame; 301, buffer hole; 302, buffer spring; 303, buffer column; 304, abutment plate; 305, fixing box; 306, slide rail; 307, mounting block; 308, protective plate; 401, hydraulic cylinder; 402, connecting seat; 403, side groove; 404, support rod; 405, limit rod; 406, mounting sleeve; 407, working bucket; 408, fixing bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution: Example

[0027] A hydraulic lifting working bucket comprises a base 1 and a mounting frame 2. The mounting frame 2 is mounted on the top of the base 1. The top of the base 1 is provided with a buffer protection mechanism and a lifting mechanism.

[0028] The buffer protection mechanism includes a buffer unit and a protection unit. The protection units are symmetrically distributed on both sides of the working bucket 407, thereby improving the protection effect on the working bucket 407.

[0029] The buffer unit includes a buffer hole 301, a buffer spring 302, a buffer column 303 and a stop plate 304. The buffer hole 301 is opened at the top of the base 1, the buffer spring 302 is connected to the bottom end of the buffer hole 301, the buffer column 303 is connected to the other end of the buffer spring 302, and the diameter of the buffer column 303 is smaller than the aperture of the buffer hole 301, so that the buffer column 303 can be extended to the inside of the buffer hole 301 under the action of pressure, thereby buffering the working bucket 407. The stop plate 304 is installed at the top of the buffer column 303, and a soft cover is connected to the top of the stop plate 304, which further plays a buffering role and improves the protective effect on the bottom of the working bucket 407. Example

[0030] On the basis of Example 1: the protection unit includes a fixed box 305, a slide rail 306, a mounting block 307 and a protection plate 308. The fixed box 305 is installed on the side end of the base 1, the slide rail 306 is installed on the inner wall of the fixed box 305, and the mounting block 307 is arranged inside the fixed box 305. The connecting end of the mounting block 307 abuts against the outer wall of the slide rail 306 and is slidably connected, so as to facilitate the installation and movement of the protection plate 308, thereby improving the convenience of protection. The protection plate 308 is movably installed on the top of the mounting block 307.

[0031] The lifting mechanism includes a hydraulic cylinder 401, a connecting seat 402, a side groove 403, a support rod 404, a limit rod 405, a mounting sleeve 406, a working bucket 407 and a fixing bolt 408. The hydraulic cylinder 401 is installed at the fixed end of the mounting frame 2, the connecting seat 402 is installed at the top of the hydraulic cylinder 401, the side groove 403 is opened at the side of the mounting frame 2, the support rod 404 is installed at the bottom end of the side groove 403, and the support rod 404 and the limit rod 405 are symmetrically distributed on both sides of the working bucket 407. , thereby improving the lifting stability of the working bucket 407, the limiting rod 405 is installed on the side of the connecting seat 402, the inner wall of the other end of the limiting rod 405 abuts against and is slidably connected to the outer wall of the support rod 404, the limiting rod 405 plays a supporting role for the connecting seat 402, thereby improving the supporting role for the working bucket 407, the mounting sleeve 406 is installed on one side of the connecting seat 402, the working bucket 407 is arranged at the top of the base 1, and the fixing bolt 408 is connected to the side of the mounting sleeve 406.

[0032] Embodiment three: A connection hole is provided at the top of the support rod 404 to facilitate connection with other support rods 404, thereby expanding the support range. The working bucket 407 is fixed to the mounting sleeve 406 by a fixing bolt 408, so that the working bucket 407 can be quickly disassembled and assembled, thereby improving the ease of use of the device.

[0033] When in use, the operation of the hydraulic cylinder 401 drives the connecting seat 402 to move up and down. Under the limit support of the support rod 404 and the limit rod 405, the connecting seat 402 is stably raised and lowered, and the connecting end of the working bucket 407 is inserted into the mounting sleeve 406, and the working bucket 407 is fixed by the fixing bolt 408, thereby improving the lifting stability of the working bucket 407. In the process of lifting and lowering the working bucket 407, the bottom end of the working bucket 407 abuts against the abutment plate 304, thereby generating downward pressure. Under the elastic action of the buffer spring 302, the working bucket 407 is buffered, thereby improving the safety of lifting and lowering, and the connecting end of the mounting block 307 is connected to the outer wall of the slide rail 306, so that the protective plate 308 is installed, so that the protective plate 308 protects both sides of the working bucket 407, thereby improving the protection performance of the device.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A hydraulic lifting working bucket, comprising a base (1) and a mounting frame (2), wherein the mounting frame (2) is mounted on the top of the base (1), and is characterized in that: The top of the base (1) is provided with a buffer protection mechanism and a lifting mechanism; The buffer protection mechanism comprises a buffer unit and a protection unit; The buffer unit comprises a buffer hole (301), a buffer spring (302), a buffer column (303) and a stop plate (304); the buffer hole (301) is opened at the top of the base (1); the buffer spring (302) is connected to the bottom end of the buffer hole (301); the buffer column (303) is connected to the other end of the buffer spring (302); and the stop plate (304) is installed at the top of the buffer column (303).

2. A hydraulic lifting working bucket according to claim 1, characterized in that: The protection unit comprises a fixing box (305), a slide rail (306), a mounting block (307) and a protection plate (308); the fixing box (305) is mounted on a side end of the base (1); the slide rail (306) is mounted on an inner wall of the fixing box (305); the mounting block (307) is arranged inside the fixing box (305); and the protection plate (308) is movably mounted on a top end of the mounting block (307).

3. The hydraulic lifting working bucket according to claim 1, characterized in that: The lifting mechanism comprises a hydraulic cylinder (401), a connecting seat (402), a side groove (403), a support rod (404), a limiting rod (405), a mounting sleeve (406), a working bucket (407) and a fixing bolt (408), wherein the hydraulic cylinder (401) is mounted on a fixed end of the mounting frame (2), the connecting seat (402) is mounted on a top end of the hydraulic cylinder (401), the side groove (403) is opened on a side of the mounting frame (2), the support rod (404) is mounted on an inner bottom end of the side groove (403), the limiting rod (405) is mounted on a side of the connecting seat (402), the mounting sleeve (406) is mounted on one side of the connecting seat (402), the working bucket (407) is arranged on a top end of the base (1), and the fixing bolt (408) is connected to a side of the mounting sleeve (406).

4. The hydraulic lifting working bucket according to claim 1, characterized in that: The diameter of the buffer column (303) is smaller than the diameter of the buffer hole (301), and a soft sleeve is sleeved on the top end of the abutment plate (304).

5. The hydraulic lifting working bucket according to claim 2, characterized in that: The protection units are symmetrically distributed on both sides of the working bucket (407), and the connection end of the mounting block (307) is in abutment with the outer wall of the slide rail (306) and is slidably connected thereto.

6. The hydraulic lifting working bucket according to claim 3, characterized in that: The support rod (404) and the limiting rod (405) are symmetrically distributed on both sides of the working bucket (407), and the inner wall of the other end of the limiting rod (405) abuts against the outer wall of the support rod (404) and is slidably connected.

7. The hydraulic lifting working bucket according to claim 3, characterized in that: A connection hole is provided at the top end of the support rod (404), and the working bucket (407) is fixed to the mounting sleeve (406) via a fixing bolt (408).

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