CN207542655U - A kind of handcart rocking handle - Google Patents

Abstract

The utility model discloses a crank handle for a handcart, which comprises a rocker. One end of the rocker is vertically connected with an extended rocker, and the other end of the rocker is vertically connected with a rocking handle. The extended rocker and the rocking handle are parallel to each other and respectively located On both sides of the rod, the end far away from the rocker on the extended rocker is used to connect the rocker joint, and the non-end of the extended rocker is vertically connected with a control handle. The handle of the handcart of the utility model can use one handle to rotate the handcart when the person on duty uses the handle, and the other handle is used to fix the handle, and a force perpendicular to the rotation plane of the rocker is applied to it. The joint of the rocker will not fall out of the hole during the operation, and it is always stable in the hole, which saves more effort in operation and ensures the safety of the person and equipment, and the rocker provides a terminal connected to the joint of the rocker, which can realize Quick replacement of joints, so as to meet the operation of different types of switchgear handcarts.

Description

handcart handle

technical field

The utility model relates to the field of handcart switch cabinets, in particular to a handcart crank handle.

Background technique

At present, handcart switch cabinets are widely used in substations of 35kV and below. It is only necessary to complete the work, test and operation of the handcart switch outside the cabinet to switch the line to the corresponding state. In most substation switch cabinets, the mutual conversion between the working position and the test position of the handcart is realized by shaking the handcart with a crank handle. When operating the handle, you will encounter the following problems: 1. Due to the unreasonable structural design of most handcart handles, the handle arm is small, and it cannot be stably connected to the handcart. The middle handle is easy to fall off from the hole, which not only wastes physical strength, but also the falling handle often hits the surrounding equipment due to inertia, which brings hidden dangers to the safety of the operator on duty during operation; Versatility, the main transformer or multi-line operation often needs to carry multiple crank handles, which increases the burden on the watchman; due to the above problems, the watchman faces problems such as high risk and high labor intensity during the operation of the handcart.

Utility model content

The technical problem to be solved by the utility model is that the structure design of most handcart handles is unreasonable. Falling off from the hole not only wastes physical strength, but also the falling handle will often hit the surrounding equipment due to inertia, which will also bring hidden dangers to the safety of the on-duty personnel during operation. One crank handle increases the burden on the attendant. The purpose is to provide a handcart crank handle. When the attendant uses the crank handle, one handle can be used to turn the handcart, and the other handle is used to fix the crank handle and apply force to it. A force perpendicular to the rotation plane of the rocker prevents the joint of the rocker from falling out of the hole during operation, and is always stable in the hole. The operation is more labor-saving and ensures the safety of people and equipment. The end connected with the rocker joint can be replaced quickly to meet the operation of different types of switchgear handcarts.

The utility model is realized through the following technical solutions:

A crank handle for a handcart, including a rocker, one end of the rocker is vertically connected with an extended rocker, the other end of the rocker is vertically connected with a rocking handle, the extended rocker and the rocking handle are parallel to each other and are respectively located on both sides of the rocker, The end of the extended rocker away from the rocker is used to connect the rocker joint. The non-end of the extended rocker is vertically connected with a control handle. The end of the control handle is movably connected with the extended rocker. axis to rotate.

The handle of the handcart of the utility model can use one handle to rotate the handcart when the person on duty uses the handle, and the other handle is used to fix the handle, and a force perpendicular to the rotation plane of the rocker is applied to it. The joint of the rocker will not fall out of the hole during the operation, and it is always stable in the hole, which saves more effort in operation and ensures the safety of the person and equipment. The rocker provides a terminal connected to the rocker joint, which can realize The quick replacement of the joints can meet the operation of different types of switchgear handcarts. When in use, first install a rocker connector that meets the requirements of the switchgear handcart on the end of the extended rocker that is used to connect the rocker connector, so that you only need to bring a rocker and then bring various rocker connectors , and then insert the rocker connector into the hole on the handcart of the switch cabinet, and one of them holds the rocking handle to rotate, at this time, the extended rocker revolves around itself, and the rocker is driven by the rocking handle along the direction where the rocker is located. The plane rotates. At this time, the other hand holds the control handle and applies a force to the control handle. The force is applied towards the direction of the hole and is perpendicular to the plane on which the rocker rotates. Therefore, at the hole, both the rocker The rotation force generated by the rotation of the rod, and the vertical pressing force exerted on the control handle along the axis of the extended rocker toward the hole, can ensure that the rocker joint is always stable in the hole. When the handcart is jammed, the rocker will When the rotational force generated by the rotation is hindered, the joint is firmly fixed in the hole through the vertical pressing force, which improves the stability of the extended handle, and at the same time, the extended handle rotates around its own axis driven by the rocker and the handle , the position of the control handle can be held fixed and does not need to follow the rotation of the extension handle to move, so that the vertical pressing force exerted on the control handle is more stable.

The control handle includes two parallel bamboo splints, one end of the two bamboo splints is connected by an arc-shaped bamboo slice, the extended handle is arranged in the arc-shaped bamboo slice, and the bamboo splint is sleeved with the arc-shaped bamboo slice. Bamboo material is used outside the extension handle, so that there is no need to set bearings between the control handle and the extension handle to ensure the normal rotation between the two. At the same time, the bamboo material is light in weight, and the control handle can be easily disassembled Down, use baked bamboo material, high strength, enough to meet the normal work of the crank.

It also includes a rocker joint, the rocker joint is provided with a bump, and one end of the extended rocker is provided with a groove, and the rocker joint and one end of the extended rocker are detachably connected through the bump and the groove; in the same substation , there are switchgear equipment from multiple manufacturers, and the handcart crank handles configured by different equipment are also very different. During the operation, the on-duty staff will often take the wrong crank handle and go back to the tool room to replace it, which is a waste of time. , and waste physical strength, long-term intermittent operation, prone to misuse accidents, endangering the safety of people and equipment, so the quick replacement of the crank joint is realized through the detachable structure of the bump and the groove, which can be used according to different manufacturers of handcarts, Different models can be replaced at will, and the operation of various types of switchgear handcarts can be easily completed as long as a crank handle and several connectors are carried during operation.

Both the rocking handle and the control handle are equipped with anti-slip sleeves to prevent the handle from slipping on the handle and cause the rocking handle to fall off, which will not only damage the equipment, but also cause damage to the rocking handle itself.

The end of the bamboo splint far away from the extension handle is vertically connected with a push rod, and the end of the push rod is provided with a suction cup. The suction cup is located on the same side as the handle joint. When operating, the suction cup is adsorbed to the hole of the switch cabinet and other equipment. It is on the same plane, so that when you need to rest during the operation, you don’t need to take off the handle, and the handle can be adsorbed on the equipment through the suction cup, making the operation more convenient.

The rocking bar is detachably connected to the rocking handle, and the rocking handle has a telescopic structure, the length of the rocking handle is adjustable, and the length of the rocking handle can be adjusted according to actual needs or the rocking handle can be replaced, which can increase the turning arm of the rocking handle, Make the operation more labor-saving.

A rubber sealing layer is provided on the inner wall of the groove, which can ensure the tight connection between the protrusion and the groove.

The control handle is vertically connected at the midpoint of the extended rocker, and the vertical distance between the control handle and the rocker is 2.8-3.0 cm, which is only about 1 cm short compared to the existing rocker. The extended handle in the middle has a length of 7.6-8cm, which greatly increases the arm of the handle, and is more labor-saving than the existing handle.

The anti-slip cover is made of rubber material, which can further increase the friction between the anti-slip cover and the hand, and at the same time protect the skin of the palm from damage.

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

1. The utility model is a handle of a handcart. When the person on duty uses the handle, one handle can be used to turn the handcart, and the other handle is used to fix the handle. Force, so that the joint of the rocker will not fall out of the hole during the operation, and it will always be stable in the hole, the operation is more labor-saving, and the safety of the person and equipment is also guaranteed, and the rocker provides a terminal connected to the joint of the rocker , can realize quick replacement of joints, so as to meet the operation of different types of switchgear handcarts;

2. The utility model is a crank handle of a handcart. The joint of the crank handle is provided with a bump, and one end of the extension handle is provided with a groove, and the joint of the handle and one end of the extension handle are detachably connected through the bump and the groove; In the same substation, there are switchgear equipment from multiple manufacturers, and the handles of the handcarts configured by different devices are also very different. During operation, the on-duty staff will often take the wrong handle and go back to the tool room to replace it. , which is a waste of time and energy, and long-term intermittent operation is prone to misuse accidents, endangering the safety of people and equipment. Different manufacturers and different models of the handcart can be replaced at will, and the operation of various types of switch cabinet handcarts can be easily completed by carrying a crank handle and several connectors during operation;

3. The utility model is a handcart crank, the end of the control handle is flexibly connected with the extension handle, and the control handle can rotate around the axis of the extension handle, so the extension handle is driven by the rocker and the handle. When rotating around its own axis, the position of the control handle can be held fixed, instead of moving following the rotation of the extension handle, so that the vertical pressing force exerted on the control handle is more stable.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:

Fig. 1 is the structural representation of the utility model;

Figure 2 is a structural schematic diagram of the control handle.

Marks and corresponding parts names in the attached drawings:

1-rocker, 2-shake handle, 3-control handle, 4-bulge, 5-groove, 6-extended rocker, 7-anti-slip sleeve, 8-handle joint, 9-bamboo splint, 10-round Curved bamboo slices, 11-ejector, 12-suction cups.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.

Example 1

As shown in Figure 1, a handcart handle of the utility model includes a rocker 1, one end of the rocker is vertically connected with an extended rocker 6, and the other end of the rocker is vertically connected with a rocking handle 2, and the extended rocker and the rocker The handles are parallel to each other and are respectively located on both sides of the rocker. The end of the extended rocker away from the rocker is detachably connected with a rocker joint 8. The rocker joint is provided with a bump 4, and one end of the extended rocker is provided with a groove. 5. The rocker joint and one end of the extended rocker are detachably connected through a protrusion and a groove, and the non-end of the extended rocker is vertically connected with a control handle 3, and the end of the control handle is flexibly connected with the extended rocker, and the control handle can be Rotate around the axis of the extended rocker, wherein the length of the extended rocker is 7.6cm, the length of the rocker is 14cm, the length of the control handle is 20cm, and the length of the rocking handle is 11cm.

The handle of the handcart of the utility model can use one handle to rotate the handcart when the person on duty uses the handle, and the other handle is used to fix the handle, and a force perpendicular to the rotation plane of the rocker is applied to it. The joint of the rocker will not fall out of the hole during the operation, and it is always stable in the hole, which saves more effort in operation and ensures the safety of the person and equipment. The rocker provides a terminal connected to the rocker joint, which can realize The quick replacement of the joints can meet the operation of different types of switchgear handcarts. When in use, first install a rocker connector that meets the requirements of the switchgear handcart on the end of the extended rocker that is used to connect the rocker connector, so that you only need to bring a rocker and then bring various rocker connectors , and then insert the rocker connector into the hole on the handcart of the switch cabinet, and one of them holds the rocking handle to rotate, at this time, the extended rocker revolves around itself, and the rocker is driven by the rocking handle along the direction where the rocker is located. The plane rotates. At this time, the other hand holds the control handle and applies a force to the control handle. The force is applied towards the direction of the hole and is perpendicular to the plane on which the rocker rotates. Therefore, at the hole, both the rocker The rotation force generated by the rotation of the rod, and the vertical pressing force exerted on the control handle along the axis of the extended rocker toward the hole, can ensure that the rocker joint is always stable in the hole. When the handcart is jammed, the rocker will When the rotational force generated by the rotation is hindered, the joint is firmly fixed in the hole through the vertical pressing force, which improves the stability of the extended handle; the extended handle rotates around its own axis driven by the rocker and the handle , the position of the control handle can be held fixed and does not need to follow the rotation of the extension handle to move, so that the vertical pressing force exerted on the control handle is more stable.

Example 2

On the basis of Embodiment 1, as shown in Figure 2, the control handle 3 includes two parallel bamboo splints 9, one end of the two bamboo splints 9 is connected by an arc-shaped bamboo piece 10, and the extension handle 6 is set In the arc-shaped bamboo sheet 10.

Bamboo material is used, so that there is no need to install bearings between the control handle and the extension handle to ensure normal rotation between the two. At the same time, the bamboo material is light in weight, and the control handle can be easily disassembled. The bamboo material is high in strength and enough to meet the normal work of the crank.

Preferably, both the rocking handle and the control handle are provided with anti-slip sleeves, which can prevent the handle from slipping on the handle and cause the handle to fall off, which will not only damage the equipment, but also cause damage to the handle itself; and it can be adjusted according to actual needs. Adjusting the length of the rocking handle or replacing the rocking handle can increase the turning arm of the rocking handle, making the operation more labor-saving.

Preferably, one end of the bamboo splint away from the extension handle is vertically connected with a push rod 11, and the end of the push rod is provided with a suction cup 12, and the suction cup is located on the same side as the handle joint. When operating, the suction cup is adsorbed on the The plane where the holes of the switchgear and other equipment are located, so that when you need to rest during the operation, you don’t need to take off the handle, and the handle can be adsorbed on the equipment through the suction cup, making the operation more convenient.

Preferably, a rubber sealing layer is provided on the inner wall of the groove, which can ensure the tight connection between the protrusion and the groove.

Preferably, the anti-slip cover is made of rubber material, which can further increase the friction between the anti-slip cover and the hand, and at the same time protect the skin of the palm from damage.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. A handcart rocker, characterized in that it comprises a rocker (1), one end of the rocker (1) is vertically connected with an extended rocker (6), and the other end of the rocker (1) is vertically connected with a rocking handle (2), the extension rocker (6) and the rocker handle (2) are parallel to each other and are located on both sides of the rocker (1), and the end of the extension rocker (6) away from the rocker (1) is used to connect the rocker Connector, extension handle (6) is vertically connected with control handle (3) on the non-end portion, and the end of described control handle (3) is movably connected with extension handle (6), and control handle (3) can be extended around the handle The axis of handle (6) does rotary motion. 2. A kind of handcart crank according to claim 1, characterized in that, the control handle (3) comprises two parallel bamboo splints (9), and one end of the two bamboo splints (9) passes through an arc-shaped The bamboo slices (10) are connected, and the extension handle (6) is arranged in the arc-shaped bamboo slices (10). 3. A handcart crank according to claim 1, characterized in that it also includes a crank joint (8), the crank joint (8) is provided with a projection (4), the extension of the crank ( One end of 6) is provided with a groove (5), and the rocker joint (8) is detachably connected with one end of the extended rocker (6) through the protrusion (4) and the groove (5). 4. A handcart crank according to claim 1, characterized in that the control handle (3) is vertically connected to the midpoint of the extension crank (6). 5. A handcart crank according to any one of claims 1-4, characterized in that, the crank handle (2) and the control handle (3) are both covered with anti-slip sleeves (7). 6. A kind of handcart rocker according to claim 2, characterized in that, one end of the bamboo splint (9) away from the extension rocker (6) is vertically connected with a push rod (11), and the push rod (11) A suction cup (12) is provided at the end of the handle, and the suction cup (12) is located on the same side as the handle joint (8). 7. A handcart crank according to claim 3, characterized in that the rocker (1) is detachably connected to the rocking handle (2), and the rocking handle (2) has a telescopic structure, and the rocking The length of the handle (2) is adjustable. 8. A handcart crank according to claim 3, characterized in that a rubber sealing layer is provided on the inner wall of the groove (5). 9 . The handcart crank according to claim 4 , wherein the vertical distance between the control handle and the rocker is 2.8-3.0 cm. 10. A handcart crank according to claim 5, characterized in that the anti-slip sleeve (7) is made of rubber material.