CN215115124U

CN215115124U - Aerial working platform test bench

Info

Publication number: CN215115124U
Application number: CN202120968515.6U
Authority: CN
Inventors: 周汉明; 陆进添; 谢仁军
Original assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Current assignee: Sany Palfinger Special Vehicle Equipment Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-10
Anticipated expiration: 2031-05-08

Abstract

The utility model provides an aerial working platform test bench, including frame construction and hoist and mount piece, frame construction's inside is suitable for and holds aerial working platform, frame construction's top installation hoist and mount piece, hoist and mount piece be suitable for with aerial working platform connects. The utility model discloses a hoist and mount piece can effectively prevent test equipment from tumbling to aerial work platform's the containment and keep off the protection of frame construction to aerial work platform's containment, guarantees test personnel and test equipment's safety, in addition the utility model discloses a test bench can also satisfy aerial work platform's multiple test demand.

Description

Aerial working platform test bench

Technical Field

The utility model relates to an aerial working platform technical field particularly, relates to an aerial working platform test bench.

Background

In order to meet the use requirements of the aerial work platform, in particular to a scissor-type aerial work platform, needs to be subjected to related reliability tests such as a side pull test, a pit hole test, a lifting test and the like. However, these reliability tests are usually accompanied by a great risk of rollover of the test vehicle, for example, when the aerial work platform does not meet the requirements of the pothole during the pothole tests, the test vehicle may rollover when the tension reaches a certain degree during the lateral tension tests, or when the test vehicle is subjected to the lifting tests, the test vehicle may also rollover when the lateral wind force is particularly great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem lack one kind among the prior art and can protect testing personnel and equipment safety and can satisfy the test bench of relevant experimental requirement when cutting fork aerial working platform and doing the relevant performance test.

In order to solve the problem, the utility model provides an aerial working platform test bench, including frame construction and hoist and mount piece, frame construction's inside is suitable for and holds aerial working platform, frame construction's top installation hoist and mount piece, hoist and mount piece be suitable for with aerial working platform connects.

Preferably, the top of the frame structure is provided with a mounting frame, and the hoisting piece is slidably connected to the mounting frame.

Preferably, the mounting bracket comprises an I-shaped steel, the hoisting piece comprises an electric hoist, and the electric hoist is mounted on the I-shaped steel.

Preferably, the hoisting piece further comprises a first connecting piece, one end of the first connecting piece is connected with the electric hoist, and the other end of the first connecting piece is suitable for being connected with the aerial work platform.

Preferably, the hoisting piece further comprises a lifting hook, the lifting hook is installed at the bottom end of the first connecting piece, and the lifting hook is suitable for being connected with the aerial work platform.

Preferably, the frame structure includes a main frame assembled by pipes or rods and support members symmetrically disposed at a top end of the main frame, and two ends of the mounting frame are connected to the support members respectively.

Preferably, the frame structure further comprises a reinforcing member mounted between the respective rods or tubes of the main body frame and/or between the support member and the main body frame.

Preferably, the pipe members or rod members of the main body frame, the supporting member and the main body frame, and the reinforcing member and the main body frame and the supporting member are connected by flange connection structures, and the flange connection structures include flanges and bolts.

Preferably, the aerial work platform further comprises a fixed pulley assembly, the fixed pulley assembly is mounted on the frame structure and comprises a guide rail, a fixed pulley, a pull rope and a balancing weight, the guide rail is arranged on the frame structure, the fixed pulley is arranged on the guide rail, one end of the pull rope is suitable for being connected with the aerial work platform, and the other end of the pull rope is suitable for being connected with the balancing weight by bypassing the fixed pulley.

Preferably, the aerial work platform further comprises an anchor bolt and a second connecting piece, the anchor bolt is suitable for being fixed on the ground, and the second connecting piece is respectively connected with the anchor bolt and the base of the aerial work platform.

The utility model discloses an aerial working platform test bench compares the advantage that has in prior art to lie in:

first, the utility model provides a can enough satisfy the experimental requirement of the multiple performance of aerial working platform and can effectively prevent that test equipment from tumbling, guarantee test equipment and personnel's safety's aerial working platform test bench has solved the problem that lacks relevant test equipment among the prior art.

Second, the utility model provides an aerial working platform test bench through hoist and mount piece to aerial working platform's the containment and keep off the protection to aerial working platform, can effectively prevent that test equipment from tumbling, guarantees test personnel and test equipment's safety.

Third, the utility model discloses an aerial working platform test bench, through frame construction's form, help observing its inside aerial working platform's the condition on the one hand, on the other hand can also be through adjusting frame construction's size to adapt to the aerial working platform's of different specification models performance test requirement, improve test bench's range of application, moreover, frame construction is still material saving under the prerequisite of guaranteeing safety and stability.

Drawings

FIG. 1 is a schematic view of the overall structure of an aerial work platform test bed in an embodiment of the present invention;

FIG. 2 is a schematic view of another perspective structure of an aerial work platform test bed according to an embodiment of the present invention;

fig. 3 is a schematic view of a fixed pulley position of the fixed pulley assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a flange connection structure in an embodiment of the present invention.

Description of reference numerals:

1. a frame structure; 2. hoisting a piece; 3. a mounting frame; 4. a fixed pulley assembly; 5. a flange connection structure; 6. an aerial work platform; 7. anchor bolts; 8. a second connecting member; 11. a first circular tube; 12. a second circular tube; 13. a third circular tube; 14. a fourth circular tube; 21. an electric hoist; 22. a first connecting member; 23. a hook; 41. a guide rail; 42. a fixed pulley; 43. pulling a rope; 44. a balancing weight; 61. a lifting mechanism; 62. a base.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Please refer to fig. 1, an embodiment of the present invention provides an aerial work platform test bench (hereinafter referred to as test bench), including frame structure 1 and hoisting piece 2, frame structure 1's inside is suitable for holding aerial work platform 6, and frame structure 1's top installation hoisting piece 2, hoisting piece 2 is suitable for being connected with aerial work platform 6.

When the aerial work platform 6 is used for a pot hole test, a side pull test, a road edge stone test and the like, if the aerial work platform 6 turns over or the risk of turning over occurs, the hoisting part 2 can timely pull the aerial work platform 6 to prevent the vehicle from falling down. In addition, the frame structure 1 of the test bench not only has the function of supporting the hoisting piece 2, but also can be used as a guardrail to carry out secondary protection on the aerial work platform 6, so that the damage of test equipment or the personal safety of testers are prevented. In addition, the mode that the test bench is made into the frame structure 1 is also beneficial to observing the condition of the aerial work platform 6 in the test bench, materials are saved, and in addition, the performance test requirements of the aerial work platforms 6 with different specifications and models can be met by adjusting the size of the frame structure 1.

The test bench of this embodiment through 2 the control of hoisting accessory to aerial working platform 6 to and the protection of frame construction 1 to aerial working platform 6, can effectively prevent test equipment to tumble, guarantee tester and test equipment's safety.

The top of frame construction 1 is provided with mounting bracket 3, and hoist and mount 2 sliding connection is on mounting bracket 3. Thus, the position of the hoisting piece 2 can be adjusted to connect with the aerial work platform 6 to be tested located in the frame structure 1. In a preferred mode, the mounting frame 3 comprises an I-shaped steel, the hoisting part 2 comprises an electric hoist 21, the electric hoist 21 is mounted on the I-shaped steel, the electric hoist 21 can move freely through the I-shaped steel, and the mounting mode of the electric hoist 21 and the I-shaped steel is the prior art and is not repeated herein.

The frame structure 1 comprises a main body frame and a support piece arranged at the top end of the main body frame, the support piece is used for installing the mounting frame 3, the support piece is symmetrically arranged at the top end of the main body frame, and two ends of the mounting frame 3 are respectively connected with the two support pieces. The main body frame is assembled by pipe fittings or rod members, such as round pipes, square pipes or round rods, square rods and the like, and the pipe fittings or the rod members are connected through a flange connecting structure 5. In order to improve the stability of the frame structure 1, the frame structure 1 further comprises a reinforcement, which is mounted between the bars or tubes of the main frame and/or between the support and the main frame. Preferably, because the i-steel is installed between the two supporting members, the electric hoist 21 is installed on the i-steel, and in order to ensure the operation stability of the electric hoist 21 on the i-steel, the stability of the i-steel needs to be ensured, the reinforcing member is connected between the supporting members and the main body frame in the embodiment, so that the stability of the supporting members is improved, the stability of the i-steel is further improved, and the stable operation of the electric hoist 21 is ensured.

Taking round tubes as an example, as shown in fig. 2, the frame structure 1 includes 4

first round tubes

11, 8

second round tubes

12, 2 third round tubes 13 for supporting i-beams, and 4 fourth round tubes 14. During the equipment, earlier 4 first pipes 11 pass through the bolt and install subaerial, it should be understood, 4 first pipes 11 perpendicular to ground installation, again with second pipe 12 pass through flange joint structure 5 and be connected with first pipe 11, can be at the top of 4 first pipes 11, connect a second pipe 12 between two adjacent first pipes 11, so constitute a rectangular frame, because first pipe 11 is highly great, at the approximate middle part position of 4 first pipes 11, also connect a second pipe 12 between two adjacent first pipes 11, in order to strengthen rectangular frame's intensity. And a third circular pipe 13 is arranged on the top of the rectangular frame, specifically two symmetrical second circular pipes 12 connected with the top of the first circular pipe 11, through a flange connecting structure 5, wherein the third circular pipe 13 is also a supporting piece. And then the fourth round pipe 14 is connected with the first round pipe 11 and the fourth round pipe 14 through the flange connecting structure 5, and the total number of the first round pipes 11 is 4, so that the number of the fourth round pipes 14 is also 4. The flange connection structure 5 includes flanges and bolts, as shown in fig. 1, 2, and 4, two connected circular pipes are respectively provided with flanges, and the two flanges are connected by bolts. In a specific embodiment, the flange surfaces are welded on the circular pipes, the bolts are connected between the two flange surfaces, and for the connection of the two circular pipes which are perpendicular to each other, the connecting pipe with the flange surface is welded in the perpendicular direction of one of the circular pipes. The embodiment utilizes the welding flange face of bolted connection pipe for the frame construction dismouting is simple, convenient, and the transportation of being convenient for.

The hoisting piece 2 further comprises a first connecting piece 22 and a lifting hook 23, one end of the first connecting piece 22 is connected with the electric hoist 21, the other end of the first connecting piece 22 is connected with the lifting hook 23, and the lifting hook 23 is suitable for being connected with the aerial work platform 6, particularly the work platform of the aerial work platform 6. The aerial work platform 6 is prevented from rolling over by the restraint of the first connecting piece 22. Set up lifting hook 23 at the tip of first connecting piece 22, on the one hand, through lifting hook 23 and operation platform's being connected, guarantee test equipment's safety, on the other hand, when carrying out the performance test to aerial working platform, probably need carry on some experimental materials like the transportation of counter weight class foundry goods, shift etc. this embodiment can utilize the lifting hook cooperation electric block at test bench top to carry out the transfer, the movement etc. of experimental material, and need not transport experimental material alone in addition, and is convenient and practice thrift the cost. In particular embodiments, the first connecting member 22 may be a wire rope, a wire chain, or the like.

The embodiment provides a set of test bed, can be used for the safety protection work of the aerial working platform 6 of multiple models and specifications when doing the performance test, through setting up frame construction 1, installs first connecting piece 22 such as wire rope on frame construction 1. The test bench of this embodiment, during the experiment, the high altitude construction platform 6 periphery that awaits measuring with frame construction 1 fix subaerial can, and frame construction 1 adopts connection such as flange, bolt, easy dismounting. In the prior art, although some manufacturers can fix the working platform of the aerial working platform 6 by penetrating the binding band through the hook 23 of the crane by means of the crane or the crane when performing the pot hole test and the side pull test on the aerial working platform 6, in this way, on one hand, the crane or the crane needs to be additionally used, the test cost is high, and the operation is inconvenient, and on the other hand, the side force is not easy to apply when performing the side pull test, and the operability and the safety of the test are reduced.

The test bench of this embodiment still includes fixed pulley assembly 4, and fixed pulley assembly 4 installs on frame construction 1, specifically installs on main body frame. Different lateral pulling forces can be applied to the aerial work platform 6 through the fixed pulley assembly 4, the operation is convenient, and the safety is high.

In a specific embodiment, the fixed pulley assembly 4 includes a guide rail 41, a fixed pulley 42, a pull rope 43 and a counterweight 44, the guide rail 41 is installed on the main frame, the fixed pulley 42 is installed on the guide rail 41, one end of the pull rope 43 is suitable for being connected with the aerial work platform 6, the other end of the pull rope 43 is suitable for being connected with the counterweight 44 by bypassing the fixed pulley 42, and the counterweight 44, such as a weight, can change the counterweight by adding the weight. The fixed pulley 42 is suitable for moving up and down on the guide rail 41, so that the test requirements of different specifications and models of aerial work platforms 6, such as 6m-14m scissor type aerial work platforms 6, can be met by adjusting the position of the fixed pulley 42 in the fixed pulley assembly 4. As shown in fig. 3, in the fixed pulley assembly 4 of the present embodiment, the fixed pulley 42 has five mounting positions of different heights on the guide rail 41. Of course, it is also possible to directly mount one fixed pulley 42 at each of different height positions of the guide rail 41. Regarding the installation manner of the fixed pulley 42 on the guide rail 41, the present embodiment is not particularly limited, for example, installation holes with different heights are provided on the guide rail 41, and after the fixed pulley 42 moves to a desired height, the fixed pulley 42 and the guide rail 41 are connected by using a connecting member such as a bolt, it should be understood that the fixed pulley 42 generally has a connecting plate for connecting with other components, and the connecting plate is provided with a hole, which is prior art and will not be described again.

The test bench of this embodiment, not co-altitude is equipped with fixed pulley 42, and the testing personnel can be at the safe applied yawing force on ground, and the size of yawing force can quantify, can increase and decrease according to the demand, has improved maneuverability and convenience that aerial work platform 6 was when doing the side pull test.

The working process of the test bench of the present embodiment will be described below with reference to several common performance tests of the aerial work platform 6, taking a scissor-type aerial work platform as an example.

When the scissor-type aerial work platform is used for a pot hole test, the electric hoist 21 can move on the I-shaped steel back and forth to adjust the position of the steel wire rope, the electric hoist 21 receives and releases the steel wire rope, the lifting hook 23 at the end part of the steel wire rope is provided with a through binding belt, the binding belt is fixed on the work platform of the scissor-type aerial work platform, the steel wire rope moves up and down along with the ascending and descending of the work platform, and the binding belt does not interfere with the movement of the work platform. If the scissor-fork type aerial work platform turns over, the steel wire rope connected with the binding belt can timely pull the work platform to prevent the vehicle from falling down. In addition, the frame structure 1 of the test bench is equivalent to guard rails arranged around the scissor-type aerial work platform, secondary protection can be provided, and safety of testers and test equipment can be protected.

When the scissor-type aerial work platform is used for road edge stone tests, when the vehicle travels forwards, the electric hoist 21 also moves on the I-shaped steel, and when tires of the test vehicle collide with the road edge stones, the vehicle has the risk of overturning. At the moment, the binding bands penetrating through the vehicle working platform can timely pull the working platform, and the vehicle is prevented from falling down. And the frame construction 1 of test bench can provide secondary protection, can protect the safety of testing personnel and test equipment.

When the scissor-type aerial work platform is used for a side pull test, one end of the pull rope 43 is fixed on the work platform of the scissor-type aerial work platform 6, the other end of the pull rope 43 bypasses the fixed pulley 42, the weights are fixed at the other end of the pull rope 43, different side pull forces can be applied to the work platform by adding the weights with different masses, and therefore the size of the side pull forces can be specifically quantized. When the lateral pulling force is greater than the critical value, the vehicle can turn on one's side, and the bandage on the lifting hook 23 can hold the operation platform of test vehicle this moment, avoids the operation platform to fall down to there is frame construction 1 protection around the vehicle, can avoid test equipment's damage and protection testing personnel's safety.

In addition, when the scissor-type aerial work platform is used for an outdoor lifting test, the structural members of the test vehicle are subjected to fatigue deformation due to the influence of outdoor wind or too many lifting times, and the vehicle is also subjected to the risk of rollover. Therefore, the test bench of the embodiment further comprises an anchor bolt 7 and a second connecting piece 8, the anchor bolt 7 is suitable for being fixed on the ground, and the second connecting piece 8 is respectively connected with the anchor bolt 7 and the base 62 of the aerial work platform 6.

As shown in fig. 1 and 2, the corner bolts are fixed on the ground, and the four corners of the base 62 of the aerial work platform 6 are connected with the ground by the binding bands. When the lifting mechanism 61 of the aerial work platform 6 is subjected to fatigue test and deforms or the aerial work platform 6 turns over due to the influence of wind power, the binding bands can timely pull the aerial work platform 6, and the frame structures 1 arranged around the aerial work platform 6 are used as guardrails for protection, so that the test vehicle can be prevented from turning over.

The embodiment provides a function integrated test bench, can satisfy the experimental requirement of the multiple performance of scissors fork formula aerial working platform, and can effectually prevent that test equipment from tumbling, guarantee test equipment and personnel's safety.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. The utility model provides an aerial working platform test bench, its characterized in that includes frame construction (1) and hoist and mount piece (2), the inside of frame construction (1) is suitable for holding aerial working platform (6), the top installation of frame construction (1) hoist and mount piece (2), hoist and mount piece (2) be suitable for with aerial working platform (6) are connected.

2. Aerial work platform test bench according to claim 1, characterized in that a mounting frame (3) is arranged on top of the frame structure (1), said lifting piece (2) being slidably connected to said mounting frame (3).

3. The aerial work platform test bench according to claim 2, characterized in that the mounting frame (3) comprises a joist steel, the hoisting member (2) comprises an electric hoist (21), and the electric hoist (21) is mounted on the joist steel.

4. The aerial work platform test bench according to claim 3, wherein the hoisting member (2) further comprises a first connecting member (22), one end of the first connecting member (22) is connected with the electric hoist (21), and the other end of the first connecting member (22) is adapted to be connected with the aerial work platform (6).

5. The aerial work platform test rig according to claim 4, wherein the lifting piece (2) further comprises a hook (23), the hook (23) is mounted at a bottom end of the first connecting piece (22), and the hook (23) is adapted to be connected with the aerial work platform (6).

6. The aerial work platform test bench according to claim 2, wherein the frame structure (1) comprises a main frame assembled by pipe fittings or rod members and support members symmetrically arranged at the top end of the main frame, and two ends of the mounting rack (3) are respectively connected with the support members.

7. Aerial work platform test rig according to claim 6, characterised in that the frame structure (1) further comprises stiffeners mounted between the bars or tubes of the main body frame and/or between the supports and the main body frame.

8. The aerial work platform test rig according to claim 7, wherein the main frame is connected between the pipes or rods, the support member and the main frame, and the reinforcement member and the main frame and the support member by flange connection structures (5), and the flange connection structures (5) comprise flanges and bolts.

9. The aerial work platform test bench according to claim 1, further comprising a fixed pulley assembly (4), wherein the fixed pulley assembly (4) is mounted on the frame structure (1), the fixed pulley assembly (4) comprises a guide rail (41), a fixed pulley (42), a pull rope (43) and a counterweight (44), the guide rail (41) is arranged on the frame structure (1), the fixed pulley (42) is arranged on the guide rail (41), one end of the pull rope (43) is suitable for being connected with the aerial work platform (6), and the other end of the pull rope (43) is suitable for being connected with the counterweight (44) by bypassing the fixed pulley (42).

10. The aerial work platform test bed according to claim 1, further comprising an anchor bolt (7) and a second connector (8), the anchor bolt (7) being adapted to be fixed to the ground, the second connector (8) connecting the anchor bolt (7) and a base (62) of the aerial work platform (6), respectively.