TWM598842U - Gripper for engineering vehicle - Google Patents

Abstract

This creation provides a clamping jaw for engineering vehicles, including a main clamping jaw, two auxiliary clamping jaws, two spindles, and a hydraulic cylinder. The main clamping jaw has a connecting end and a main opposite to the connecting end. The clamping end, two pivotal parts, and a first cylinder joint are located between the connecting end and the pivotal part, and each of the auxiliary clamping jaws has a pivotal end and an auxiliary clamping and removal opposite to the pivotal end End, and a second cylinder connecting portion, each of the spindles passes through the pivotal portion of the main clamping jaw and the pivotal end of the auxiliary clamping jaw, so that the auxiliary clamping jaw can swing relative to the main clamping jaw, the Two ends of the hydraulic cylinder are respectively pivoted on the first cylinder connecting portion and the second cylinder connecting portion. As a result, under the condition of using hydraulic cylinders of the same specification, the clamping jaws for engineering vehicles can output a larger clamping force, and the spindle is less likely to be damaged.

Description

Gripper for engineering vehicles

This creation is about a machine tool for engineering vehicles, especially a gripper for engineering vehicles.

In engineering operations, the powerful mechanical capabilities of engineering vehicles (ie, strange hands) are often used to perform many heavy operations, and different working tools can be installed at the front of the engineering vehicle to perform different tasks, such as using a bucket to dig soil and using a heavy hammer Remove, or use grippers to pick up and carry objects, etc. In addition to being used on construction sites, the engineering vehicle can also be used to organize farmland and open up wasteland. For example, in an area overgrown with crops or weeds, first use a harvester or lawn mower to cut the crops or weeds, and then use the attached Engineering vehicles with grippers can pick up crops or weeds for transport to other places. It can be seen that the application of engineering vehicles with gripping functions is quite extensive.

However, if the conventional machinery used in engineering vehicles has a clamping function, in fact, most of them are mainly digging, and clamping is supplemented. That is, the clamping force is usually weak. In case engineering operations require high-strength clamping capabilities, the above Machines and tools cannot meet engineering requirements, and the conventional gripper used for engineering vehicles has only a single mandrel, which is prone to breakage and other damages under long-term stress concentration, which needs to be improved.

In view of this, one purpose of this creation is to provide a clamping jaw for an engineering vehicle, which has a relatively large clamping force and the mandrel is not easily damaged.

In order to achieve the above purpose, this creation discloses a clamping jaw for engineering vehicles, which includes a main clamping jaw, at least one auxiliary clamping jaw, at least one spindle, and a hydraulic cylinder; the main clamping jaw has a connecting end and an opposite end. The main gripping end at the connecting end, a first outer side, a first inner side relative to the first outer side, at least one pivotal portion adjacent to the first inner side, and a first cylinder connection portion adjacent to the first inner side An outer side and located between the connecting end and the pivotal portion; the auxiliary clamping jaw has a pivotal end, a secondary clamping end opposite to the pivotal end, a second outer side, and a second outer side opposite to the second outer side The second inner side and a second cylinder connecting portion protruding outward from the second outer side, wherein the second outer side is opposite to the first outer side, and the second inner side is opposite to the first inner side; the spindle Pass through the pivotal portion of the main clamping jaw and the pivotal end of the auxiliary clamping jaw, so that the auxiliary clamping jaw can swing relative to the main clamping jaw; one end of the hydraulic cylinder is set on the The first cylinder connecting part of the main clamping jaw, and the other end is arranged on the second cylinder connecting part of the auxiliary clamping jaw through a second shaft.

Thereby, under the condition of using hydraulic cylinders of the same specification, the clamping jaws for engineering vehicles can output a relatively large clamping force.

This creation also discloses a clamping jaw for engineering vehicles, including two auxiliary clamping jaws and two spindles, the main clamping jaw has two pivotal parts, and each auxiliary clamping jaw is connected by a spindle and Each pivotal portion of the main clamping jaw is pivotally connected, and the two ends of the second shaft are respectively arranged at the second cylinder connection portion of the two auxiliary clamping jaws, whereby the two spindles can escape the hydraulic pressure Outside the cylinder, the force can also be dispersed, and it is less likely to break and damage.

The following describes the technical content and features of this creation in detail with a preferred embodiment in conjunction with the drawings. As shown in Figures 1 to 3, it is a clamping jaw 10 for engineering vehicles provided by a preferred embodiment of this creation. It includes a main clamping jaw 20, two auxiliary clamping jaws 30, two spindles 40, a hydraulic cylinder 50, and a bridge 60. The engineering vehicle can be a strange hand.

The main clamping jaw 20 has a connecting end 21, a main clamping end 22 opposite to the connecting end 21, a first outer side 23, a first inner side 24 relative to the first outer side 23, and two pivoting portions 26 Adjacent to the first inner side 24, a first cylinder connecting portion 28 adjacent to the first outer side 23 and located between the connecting end 21 and the pivotal portion 26, and a first shaft 29 with its two ends disposed on the The first cylinder connecting portion 28, wherein the first cylinder connecting portion 28 located between the connecting end 21 and the pivoting portion 26 is closer to the connecting end 21, but it is not limited to this, in addition, in the present invention In an embodiment, the connecting end 21 is a connecting plate and can be directly or indirectly connected to the main arm of a strange hand. In other possible embodiments, the connecting end 21 may have other structures, such as a connection with two connecting shafts. Seat etc.

Each of the secondary clamping jaws 30 has a pivot end 31, a secondary gripping end 32 opposite to the pivot end 31, a second outer side 33, a second inner side 34 opposite to the second outer side 33, and a A second cylinder connecting portion 38 protruding outward from the second outer side 33, and a second shaft 39. The second shaft 39 has its two ends respectively disposed on the second cylinder connecting portion 38 of the two secondary clamping jaws 30 , The second outer side 33 is opposite to the first outer side 23 of the main clamping jaw 20, the second inner side 34 is opposite to the first inner side 24 of the main clamping jaw 20, and each auxiliary clamping jaw 30 is driven by a The spindle 40 is pivotally connected to the pivotal portion 26 of the main clamping jaw 20.

As shown in FIG. 2, each of the spindles 40 passes through the pivotal portion 26 of the main clamping jaw 20 and the pivotal end 31 of each of the auxiliary clamping jaws 30, so that the auxiliary clamping jaws 30 can be opposed to the main clamping jaw 20. Swivel, the two spindles 40 are arranged coaxially and have an interval D.

3, one end of the hydraulic cylinder 50 is provided on the first cylinder connecting portion 28 of the main clamping jaw 20 by the first shaft 29, and the other end of the hydraulic cylinder 50 is provided by the second shaft 39 The second cylinder connecting portion 38 provided on the two sub-clamping jaws 30. In more detail, the hydraulic cylinder 50 has a cylinder tube 52 and a piston rod 54 which can extend outward or contract inward from the cylinder tube 52 Back, one end of the cylinder 52 is connected to the first shaft 29, and one end of the piston rod 54 is connected to the second shaft 39. In addition, the space D between the two spindles 40 allows the hydraulic cylinder 50 to move in. among them.

The bridging member 60 has a plate shape and is arranged at the secondary clamping end 32 of the two secondary clamping jaws 30 to connect the two secondary clamping jaws 30 together to enhance the overall structural strength.

Please refer to Figures 4 and 5, when the gripper 10 for the engineering vehicle is not actuated, that is, when it is not gripped (as shown in Figure 4), the main gripping end 22 of the main gripper 20 and the auxiliary There is a predetermined distance between the secondary gripping ends 32 of the clamping jaws 30, the piston rod 54 of the hydraulic cylinder 50 is retracted in the cylinder 52, and the mandrel 40 and the hydraulic cylinder are respectively viewed from the perspective of FIG. 4 The two ends of 50 can be roughly connected to form an equilateral triangle; when the clamping jaw 10 for engineering vehicles is actuated, that is, when clamping (as shown in Figure 5), the piston rod 54 of the hydraulic cylinder 50 is moved by the cylinder The barrel 52 extends outwards, and simultaneously drives the two secondary clamping jaws 30 to swing toward the main clamping jaw 20, so that the distance between the main clamping end 22 and each of the auxiliary clamping ends 32 is shortened to achieve clamping When the main clamping end 22 and the auxiliary clamping ends 32 abut each other, a part of the hydraulic cylinder 50 will move to the interval D between the two spindles 40.

With the above-mentioned structure, the hydraulic cylinder 50 has a longer force arm between the end of the second cylinder connecting portion 38 and the spindle 40, so that a larger torque can be output, so it is compared with the conventional structure In the case of using hydraulic cylinders of the same specification, the clamping jaws 10 for engineering vehicles can output a larger clamping force. Conversely, if the same clamping force is output compared to the conventional structure, The clamping jaw 10 for construction vehicles can achieve the same effect as long as the hydraulic cylinder with a smaller specification is used; in addition, the clamping jaw 10 for construction vehicles has two spindles 40, and the two spindles 40 are With the interval D, the interval D can not only flash away the hydraulic cylinder 50, that is, the hydraulic cylinder 50 will not be hindered by the position of the two spindles 40 when the hydraulic cylinder 50 is actuated, and the two spindles 40 can also be dispersed It is less prone to breakage and damage, so the service life can be prolonged compared with conventional structures.

In fact, the gripper 10 for construction vehicles not only has the function of clamping, but also has the functions of dismantling and digging, but the clamping function is the most outstanding; in addition, based on the spirit of this creation, the The structure of the clamping jaw 10 can have other changes. For example, the number of the secondary clamping jaw 30 and the mandrel 40 only needs to be at least one. In this case, the number of the pivotal portion 26 of the main clamping jaw 20 At least one is sufficient, that is, a secondary clamping jaw 30 is pivotally connected to a pivotal portion 26 of the main clamping jaw 20 via a spindle 40, so that the bridge 60 can be omitted.

It must be noted here that the detailed description of the above in conjunction with the schema is only provided for the purpose of explaining the technical content and characteristics of this creation. Anyone with general knowledge in this creation field should understand the creation After the technical content and features, without violating the spirit of this creation, all kinds of simple modifications, replacements or reductions in components should fall within the scope of the patent application disclosed in this creation.

10: Gripper for engineering vehicles 20: Main gripper 21: connecting end 22: Main gripping end 23: first outer 24: first inside 26: Pivot 28: First cylinder connection 29: first axis 30: secondary gripper 31: Pivot end 32: Secondary gripping end 33: second outside 34: second inside 38: Second cylinder connection 39: second axis 40: Mandrel 50: hydraulic cylinder 52: cylinder 54: Piston rod 60: Bridge D: interval

Figure 1 is a perspective view of a clamping jaw used in a construction vehicle according to a preferred embodiment; Figures 2 and 3 are an exploded view of a clamping jaw used in a construction vehicle according to a preferred embodiment; Figure 4 is a cross-sectional view of a clamping jaw used in a construction vehicle according to a preferred embodiment; Fig. 5 is a schematic diagram of the cross-sectional action of a clamping jaw used in a construction vehicle according to a preferred embodiment.

10: Gripper for engineering vehicles

20: Main gripper

21: connecting end

22: Main gripping end

23: first outer

24: first inside

26: Pivot

28: First cylinder connection

30: secondary gripper

31: Pivot end

32: Secondary gripping end

33: second outside

34: second inside

38: Second cylinder connection

60: Bridge

Claims (6)

A gripper for engineering vehicles, including: A main clamping jaw having a connection end, a main clamping end opposite to the connection end, a first outer side, a first inner side opposite to the first outer side, and at least one pivotal portion adjacent to the first inner side , And a first cylinder connecting portion adjacent to the first outer side and located between the connecting end and the pivoting portion; At least one secondary clamping jaw has a pivot end, a secondary gripping end opposite to the pivot end, a second outer side, a second inner side opposite to the second outer side, and a second outer side A second cylinder connecting portion protruding outward, wherein the second outer side is opposite to the first outer side, and the second inner side is opposite to the first inner side; At least one mandrel penetrates the pivotal portion of the main clamping jaw and the pivotal end of the auxiliary clamping jaw, so that the auxiliary clamping jaw can swing relative to the main clamping jaw; and A hydraulic cylinder, one end of which is arranged on the first cylinder connecting portion of the main clamping jaw via a first shaft, and the other end is arranged on the second cylinder connecting portion of the auxiliary clamping jaw via a second shaft. According to claim 1, the gripper used for engineering vehicles, wherein the connecting end of the main gripper is a connecting plate. The gripper for an engineering vehicle according to claim 1, wherein the first cylinder connecting portion of the main gripper is adjacent to the connecting end. According to claim 1, the gripper for an engineering vehicle includes two secondary grippers and two spindles, the main gripper has two pivotal parts, and each secondary gripper passes through one spindle It is pivotally connected with each pivotal portion of the main clamping jaw, and the two ends of the second shaft are respectively arranged at the second cylinder connection portion of the two auxiliary clamping jaws. According to claim 4, the clamping jaws for engineering vehicles further include a bridge member provided at the auxiliary clamping ends of the two auxiliary clamping jaws for connecting the two auxiliary clamping jaws together. According to claim 4, the gripper for an engineering vehicle, wherein the two spindles are arranged coaxially and have a gap for the hydraulic cylinder to move into.

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