Working bucket supporting device based on insulated boom truck in running state

Abstract

A working bucket supporting device based on an insulated boom truck in a running state comprises a hydraulic buffering component installed on an auxiliary frame of the insulated boom truck and an elastic buffering component arranged in the hydraulic buffering component. The working bucket of the insulated boom truck is supported by buffer solution pressure generated by closed hydraulic oil, reverse elastic acting force is generated on the hydraulic buffer component through the elastic buffer component, the working bucket of the insulated boom truck is transported at a low position in the state that impact acting force generated by the insulated boom truck is eliminated, and the working bucket of the insulated boom truck is transported at a high position. The technical problem that the working bucket is directly placed on the auxiliary frame of the insulated boom truck, so that the impact acting force generated by the insulated boom truck directly acts on the working bucket is solved, the use performance of the working bucket is guaranteed, and the service life of the working bucket is prolonged.

Description

Technical Field

[0001] The utility model relates to a support device for the working bucket of an insulating boom truck, in particular to a support device for the working bucket of an insulating boom truck in a driving state. Background Art

[0002] An insulating boom truck is a special vehicle for intermediate potential operation in occasions with convenient transportation and complex wiring. In order to meet the intermediate potential operation range of the upper-mounted device at high altitude, a working bucket is needed to support the operator in the air. When the insulating boom truck is in a driving state, the working bucket needs to be in a low position for transportation and supported. Therefore, a support device for the working bucket of an insulating boom truck in a driving state is an important component of the insulating boom truck. In the existing support devices for the working bucket of an insulating boom truck in a driving state, there is no such device that can effectively reduce the impact force on the working bucket. Usually, the working bucket is directly placed on the sub-frame of the insulating boom truck. When the insulating boom truck is in a driving state, the impact force generated by the insulating boom truck directly acts on the working bucket, thus affecting the service performance of the working bucket.

[0003] The utility model explores and researches effectively at the technical level on the technical problem that the impact force generated by the insulating boom truck directly acts on the working bucket by directly placing the working bucket on the sub-frame of the insulating boom truck, through the technical feature of enabling the working bucket of the insulating boom truck to be transported at a low position in a state of eliminating the impact force generated by the insulating boom truck. Summary of the Invention

[0004] The object of the utility model is a support device for the working bucket of an insulating boom truck in a driving state.

[0005] In order to overcome the above technical drawbacks, the purpose of the utility model is to provide a support device for the working bucket of an insulating boom truck in a driving state, thus ensuring the service performance of the working bucket and prolonging the service life of the working bucket.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: it includes a hydraulic buffer component installed on the sub-frame of the insulating boom truck and an elastic buffer component arranged in the hydraulic buffer component.

[0007] Due to the design of the hydraulic buffer component and the elastic buffer component, through the hydraulic buffer component, the buffer liquid pressure generated by the enclosed hydraulic oil in the working bucket of the insulating boom truck is supported. Through the elastic buffer component, a reverse elastic force is generated on the hydraulic buffer component, enabling the working bucket of the insulating boom truck to be transported at a low position in a state where the impact force generated by the insulating boom truck is eliminated. This solves the technical problem that the impact force generated by the insulating boom truck directly acts on the working bucket when the working bucket is directly placed on the subframe of the insulating boom truck. Therefore, the service performance of the working bucket is ensured, and the service life of the working bucket is extended.

[0008] The present utility model designs to connect the hydraulic buffer component and the elastic buffer component to each other in a manner that enables the working bucket of the insulating boom truck to be transported at a low position in a state where the impact force generated by the insulating boom truck is eliminated.

[0009] The present utility model designs to connect the elastic buffer component to the hydraulic buffer component in a manner that generates a reverse elastic force.

[0010] The present utility model designs that the hydraulic buffer component is set to include a piston rod and a piston rod seat.

[0011] The present utility model designs that the elastic buffer component is set to include a guide rod, a spring, an upper guide block, and a lower guide block.

[0012] The technical effects of the above five technical solutions are as follows: highlighting the technical feature of enabling the working bucket of the insulating boom truck to be transported at a low position in a state where the impact force generated by the insulating boom truck is eliminated, and introducing its application in the technical field of the support device for the working bucket of the insulating boom truck in a driving state.

[0013] The present utility model designs that it further includes a first accessory device, and the first accessory device is arranged in the elastic buffer component. The first accessory device is set to include a throttle orifice body and a check valve body.

[0014] The present utility model designs that it further includes a second accessory device, and the second accessory device is arranged on the hydraulic buffer component. The second accessory device is set to include a support plate and a support seat.

[0015] The technical effects of the above two technical solutions are as follows: realizing the integrated installation of other components and expanding the technical effects of the present utility model.

[0016] The present utility model designs that a piston rod is arranged on the piston rod seat, a support seat is arranged between the piston rod and the support plate, a guide rod is arranged between the piston rod and the piston rod seat, an upper guide block and a lower guide block are respectively arranged between the guide rod and the piston rod, and a spring is arranged between the upper guide block and the lower guide block.

[0017] The technical effect of the above technical scheme is that the basic technical scheme of the utility model is formed by the support plate, the support seat, the piston rod, the guide rod, the spring, the upper guide block, the lower guide block and the piston rod seat, which solves the technical problem of the utility model.

[0018] The utility model is designed that the piston rod seat is arranged as a block with a blind hole at the upper end and an injection hole at the side surface, and the blind hole of the piston rod seat is arranged to be connected with the piston rod, the injection hole of the piston rod seat is arranged to be threadedly connected with the plug, and the bottom wall of the piston rod seat is arranged to be connected with the guide rod through a clamping nut, the bottom wall of the piston rod seat is arranged to be sleeve-type connected with the guide rod, and the lower end surface portion of the bottom wall of the piston rod seat is arranged to be contact-type connected with the inner end surface portion of the clamping nut located between the guide rod and the piston rod seat, and the lower end surface portion of the piston rod seat is arranged to be connected with the auxiliary frame of the insulating bucket arm truck.

[0019] The utility model is designed that the piston rod is arranged as a rod-shaped body having a sealed inner cavity containing damping oil, and the upper end surface portion of the piston rod is arranged to be connected with a bracket, the lower end head of the piston rod is arranged to be connected with the piston rod seat in a sinking manner, and the upper portion of the peripheral inner wall of the piston rod is arranged to be connected with the peripheral side surface portion of the upper guide block, the lower portion of the peripheral inner wall of the piston rod is arranged to be connected in a contacting manner with the peripheral side surface portion of the lower guide block, and the bottom wall of the piston rod is arranged to be connected with the guide rod sleeve-type.

[0020] The technical effect of the above technical solution is to achieve the support of the hydraulic release pressure generated by the closed hydraulic oil on the working bucket of the insulated bucket truck.

[0021] The utility model is designed that the guide rod is arranged as a convex rod-shaped body with a threaded body at the contraction portion of the lower end and the lower end of the guide rod is arranged to be through-connected with the piston rod seat, a clamping nut is arranged between the lower end of the guide rod and the piston rod seat and the clamping nut located between the guide rod and the piston rod seat is arranged to be threadedly connected with the lower end of the guide rod, the upper end of the guide rod is respectively arranged to be through-connected with the piston rod, the spring and the upper guide block and the upper end of the guide rod is arranged to be connected with the lower guide block.

[0022] The utility model is designed that the upper guide block is arranged as a circular disc-shaped body with a central through hole body, and the central through hole body of the upper guide block is arranged to be connected with the guide rod sleeve type, the peripheral side surface part of the upper guide block is arranged to be connected with the piston rod, and the lower end surface part of the upper guide block is arranged to be connected with the spring contact type.

[0023] The utility model is designed that the lower guide block is arranged as a circular disc-shaped body with a central through hole body, and the central through hole body of the lower guide block is arranged to be connected with a guide rod, the peripheral side surface part of the lower guide block is arranged to be contact-connected with a piston rod, and the upper end surface part of the lower guide block is arranged to be contact-connected with a spring, and a throttle body and a check valve body are respectively arranged in the lower guide block.

[0024] In the present utility model, the spring is designed as a columnar spring and is set to be sleeved and connected with the guide rod. One end of the spring is set to be in contact connection with the lower guide block, and the other end of the spring is set to be in contact connection with the upper guide block.

[0025] The technical effects of the above four technical solutions are as follows: It realizes the generation of a reverse acting force on the piston rod by elastic energy storage, enables the spring to work in a damping state, and prevents the piston rod from moving back and forth repeatedly.

[0026] In the present utility model, the support base is designed as a rectangular rubber block and is set to be embedded and connected with the support plate. The support base is set to be connected with the support plate through a pin shaft, and the lower end face of the support base is set to be connected with the piston rod.

[0027] The technical effect of the above technical solution is as follows: It realizes the rubber elastic support for the working bucket of the insulating boom truck.

[0028] In the present utility model, the upper end face of the support base is set to be connected with the inner end face of the upper buckle groove part, and the lower end face of the support base is set to be connected with the inner end face of the lower buckle groove part. The outer end face of the upper buckle groove part is set to be connected with the support plate, and the outer end face of the lower buckle groove part is set to be connected with the piston rod. The upper buckle groove part and the lower buckle groove part are respectively set as a C-shaped groove body with a through-hole body in the vertical part, and the through-hole bodies of the upper buckle groove part and the lower buckle groove part are respectively set to be connected with the pin shaft located between the support plate and the support base. The inner side face of the vertical part of the upper buckle groove part is set to be in contact connection with the outer side face of the vertical part of the lower buckle groove part.

[0029] The technical effect of the above technical solution is as follows: It realizes the clamping and fixed support for the support base, and improves the support stability performance of the support base.

[0030] In the present utility model, the support plate is designed as a sheet body with a C-shaped groove at the lower end face, and the C-shaped groove of the support plate is set to be connected with the support base. The support plate is set to be connected with the support base through a pin shaft, and the upper end face of the support plate is set to be in contact connection with the working bucket of the insulating boom truck.

[0031] The technical effect of the above technical solution is as follows: It provides an increased area support for the working bucket of the insulating boom truck.

[0032] In the present utility model, the support plate, the support base, the piston rod and the piston rod seat are arranged with the guide rod, the spring, the upper guide block and the lower guide block in a distribution manner according to the built-in buffer body, and the support plate, the support base, the piston rod, the piston rod seat, the guide rod, the spring, the upper guide block and the lower guide block are arranged with the throttle hole body and the check valve body in a distribution manner according to the injection of damping oil.

[0033] In the present utility model, the center lines of the pallet, the support base, the piston rod, the guide rod, the spring, the upper guide block, the lower guide block and the piston rod seat are arranged on the same straight line.

[0034] In this technical solution, the hydraulic buffer component and the elastic buffer component are used to enable the working bucket of the insulating boom truck to perform low-position transportation in a state where the impact force generated by the insulating boom truck is eliminated.

[0035] In this technical solution, the hydraulic buffer component and the elastic buffer component for enabling the working bucket of the insulating boom truck to perform low-position transportation in a state where the impact force generated by the insulating boom truck is eliminated are important technical features. In the technical field of the support device of the working bucket of the insulating boom truck in a driving state, they have novelty, creativity and practicality. The terms in this technical solution can be explained and understood by using the patent documents in this technical field. Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0037] Figure 1 It is a schematic diagram of the present utility model.

[0038] Figure 2 It is Figure 1 the right view of

[0039] Figure 3 It is Figure 1 the top view of

[0040] Pallet - 99, support base - 98, piston rod - 96, guide rod - 95, spring - 94, upper guide block - 92, lower guide block - 91, piston rod seat - 93, throttle hole body - 97, check valve body - 90, upper buckle groove part - 981, lower buckle groove part - 982. Detailed Embodiments

[0041] According to the Examination Guidelines, terms such as "having", "comprising" and "including" used in the present utility model should be understood as not excluding the existence or addition of one or more other elements or their combinations.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other. Additionally, unless otherwise specified, the equipment and materials used in the following embodiments are commercially available. If the processing conditions are not clearly stated, please refer to the product manual purchased or follow the conventional methods in the art.

[0045] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0046] Figure 1 This is the first embodiment of the present utility model. Specifically described in conjunction with the drawings, it includes a support plate 99, a support seat 98, a piston rod 96, a guide rod 95, a spring 94, an upper guide block 92, a lower guide block 91, and a piston rod seat 93. A piston rod 96 is provided on the piston rod seat 93. A support seat 98 is provided between the piston rod 96 and the support plate 99, and a guide rod 95 is provided between the piston rod 96 and the piston rod seat 93. An upper guide block 92 and a lower guide block 91 are respectively provided between the guide rod 95 and the piston rod 96, and a spring 94 is provided between the upper guide block 92 and the lower guide block 91.

[0047] In this embodiment, the piston rod seat 93 is arranged as a block with a blind hole at the upper end and an injection hole on the side surface. The blind hole of the piston rod seat 93 is arranged to be connected to the piston rod 96. The injection hole of the piston rod seat 93 is arranged to be threadedly connected to a plug. The bottom wall of the piston rod seat 93 is arranged to be connected to the guide rod 95 through a compression nut. The bottom wall of the piston rod seat 93 is arranged to be sleeved and connected to the guide rod 95, and the lower end face of the bottom wall of the piston rod seat 93 is arranged to be in contact connection with the inner end face of the compression nut located between the guide rod 95 and the piston rod seat 93. The lower end face of the piston rod seat 93 is arranged to be connected to the secondary frame of the insulating boom truck.

[0048] Through the piston rod seat 93, a support connection point for the piston rod 96 and the guide rod 95 is formed. By the piston rod seat 93, the support connection of the piston rod 96 is realized, and the support connection of the guide rod 95 is realized. Its technical purpose is: to be used as a support carrier for the piston rod seat 93.

[0049] In this embodiment, the piston rod 96 is arranged as a rod-shaped body with a sealed inner cavity containing damping oil. The upper end face of the piston rod 96 is arranged to be connected to the support seat 98. The lower end of the piston rod 96 is arranged to be sunken and connected to the piston rod seat 93. The upper part of the peripheral inner wall of the piston rod 96 is arranged to be connected to the peripheral side face of the upper guide block 92. The lower part of the peripheral inner wall of the piston rod 96 is arranged to be in contact connection with the peripheral side face of the lower guide block 91. The bottom wall of the piston rod 96 is arranged to be sleeved and connected to the guide rod 95.

[0050] Through the piston rod 96, support connection points for the support seat 98, the guide rod 95, the upper guide block 92, the lower guide block 91, and the piston rod seat 93 are formed. By the piston rod 96, the support connection of the support seat 98 is realized, the support connection of the guide rod 95 is realized, the support connection of the upper guide block 92 is realized, the support connection of the lower guide block 91 is realized, the support connection of the piston rod seat 93 is realized, and the support connection of the guide rod 95 is realized. Its technical purpose is: to be used as a support carrier for the support seat 98.

[0051] In this embodiment, the guide rod 95 is arranged as a convex-shaped rod with a threaded body at the contracted part of the lower end. The lower end of the guide rod 95 is arranged to be penetrated and connected to the piston rod seat 93. A compression nut is arranged between the lower end of the guide rod 95 and the piston rod seat 93. The compression nut located between the guide rod 95 and the piston rod seat 93 is arranged to be threadedly connected to the lower end of the guide rod 95. The upper end of the guide rod 95 is respectively arranged to be penetrated and connected to the piston rod 96, the spring 94, and the upper guide block 92. The upper end of the guide rod 95 is arranged to be connected to the lower guide block 91.

[0052] Through the guide rod 95, support connection points for the piston rod seat 93, piston rod 96, upper guide block 92, lower guide block 91, and spring 94 are formed. By the guide rod 95, the support connection of the piston rod seat 93 is realized, the support connection of the piston rod 96 is realized, the support connection of the upper guide block 92 is realized, the support connection of the lower guide block 91 is realized, and the support connection of the spring 94 is realized. Its technical purpose is: to be used as a support carrier for the lower guide block 91.

[0053] In this embodiment, the upper guide block 92 is set as a circular disc body with a central through-hole body, and the central through-hole body of the upper guide block 92 is set to be sleeved and connected with the guide rod 95. The peripheral side surface of the upper guide block 92 is set to be connected with the piston rod 96, and the lower end surface of the upper guide block 92 is set to be in contact connection with the spring 94.

[0054] Through the upper guide block 92, support connection points for the piston rod 96, guide rod 95, and spring 94 are formed. By the upper guide block 92, the support connection of the piston rod 96 is realized, the support connection of the guide rod 95 is realized, and the support connection of the spring 94 is realized. Its technical purpose is: to be used as one of the components for buffering and supporting between the piston rod 96 and the guide rod 95.

[0055] In this embodiment, the lower guide block 91 is set as a circular disc body with a central through-hole body, and the central through-hole body of the lower guide block 91 is set to be connected with the guide rod 95. The peripheral side surface of the lower guide block 91 is set to be in contact connection with the piston rod 96, and the upper end surface of the lower guide block 91 is set to be in contact connection with the spring 94. A throttle hole body 97 and a check valve body 90 are respectively arranged in the lower guide block 91.

[0056] Through the lower guide block 91, support connection points for the piston rod 96, guide rod 95, and spring 94 are formed. By the lower guide block 91, the support connection of the piston rod 96 is realized, the support connection of the guide rod 95 is realized, and the support connection of the spring 94 is realized. Its technical purpose is: to be used as the second component for buffering and supporting between the piston rod 96 and the guide rod 95.

[0057] In this embodiment, the spring 94 is set as a columnar spring and the spring 94 is set to be sleeved and connected with the guide rod 95. One end of the spring 94 is set to be in contact connection with the lower guide block 91, and the other end of the spring 94 is set to be in contact connection with the upper guide block 92.

[0058] Through the spring 94, a support connection point for the guide rod 95, the upper guide block 92, and the lower guide block 91 is formed. By the spring 94, the support connection of the guide rod 95 is realized, the support connection of the upper guide block 92 is realized, and the support connection of the lower guide block 91 is realized. Its technical purpose is: to be used as the third component for buffering and supporting between the piston rod 96 and the guide rod 95.

[0059] In this embodiment, the support 98 is set as a rectangular rubber block and the support 98 is set to be embedded and connected with the support plate 99. The support 98 is set to be connected with the support plate 99 through a pin shaft, and the lower end face of the support 98 is set to be connected with the piston rod 96.

[0060] Through the support 98, a support connection point for the piston rod 96 and the support plate 99 is formed. By the support 98, the support connection of the piston rod 96 is realized, and the support connection of the support plate 99 is realized. Its technical purpose is: to be used as the component for connecting between the piston rod 96 and the support plate 99.

[0061] In this embodiment, the upper end face of the support 98 is set to be connected with the inner end face of the upper clamping groove part 981, and the lower end face of the support 98 is set to be connected with the inner end face of the lower clamping groove part 982. The outer end face of the upper clamping groove part 981 is set to be connected with the support plate 99, and the outer end face of the lower clamping groove part 982 is set to be connected with the piston rod 96. The upper clamping groove part 981 and the lower clamping groove part 982 are respectively set as a C-shaped groove body with a through hole body in the vertical part, and the through hole bodies of the upper clamping groove part 981 and the lower clamping groove part 982 are respectively set to be connected with the pin shaft located between the support plate 99 and the support 98. The inner side face of the vertical part of the upper clamping groove part 981 is set to be in contact connection with the outer side face of the vertical part of the lower clamping groove part 982.

[0062] Its technical purpose is: to realize the clamping and fixing of the support 98.

[0063] In this embodiment, the support plate 99 is set as a sheet body with a C-shaped groove body at the lower end face, and the C-shaped groove body of the support plate 99 is set to be connected with the support 98. The support plate 99 is set to be connected with the support 98 through a pin shaft, and the upper end face of the support plate 99 is set to be in contact connection with the working bucket of the insulating boom truck.

[0064] Through the support plate 99, a support connection point for the support 98 is formed. By the support plate 99, the support connection of the support 98 is realized. Its technical purpose is: to be used as the support carrier for the working bucket of the insulating boom truck.

[0065] In this embodiment, the pallet 99, the support 98, the piston rod 96 and the piston rod seat 93 and the guide rod 95, the spring 94, the upper guide block 92 and the lower guide block 91 are arranged to be distributed in the manner of an internal buffer body, and the pallet 99, the support 98, the piston rod 96, the piston rod seat 93 and the guide rod 95, the spring 94, the upper guide block 92 and the lower guide block 91 and the throttle hole body 97 and the check valve body 90 are arranged to be distributed in the manner of injecting damping oil. The center lines of the pallet 99, the support 98, the piston rod 96, the guide rod 95, the spring 94, the upper guide block 92, the lower guide block 91 and the piston rod seat 93 are arranged on the same straight line.

[0066] The usage method of this embodiment: Connect the lower end face of the piston rod seat 93 to the auxiliary frame of the insulating boom truck. Rotate the plug at the injection hole of the piston rod seat 93 to make the injection hole of the piston rod seat 93 in an open state. Inject hydraulic oil into the blind hole of the piston rod seat 93 through the injection hole of the piston rod seat 93. Then rotate the plug at the injection hole of the piston rod seat 93 in the reverse direction to make the injection hole of the piston rod seat 93 in a closed state. Place the working bucket of the insulating boom truck on the upper part of the pallet 99, make the piston rod 96 move downward in the piston rod seat 93, make the upper guide block 92 move downward on the guide rod 95, make the spring 94 in a compressed state, and make the damping oil in the area between the upper guide block 92 and the lower guide block 91 flow into the area between the lower guide block 91 and the bottom wall of the piston rod 96 through the throttle hole body 97 and the check valve body 90. Under the action of the closed state of the check valve body 90 and the open state of the throttle hole body 97, the damping oil in the area between the lower guide block 91 and the bottom wall of the piston rod 96 flows back into the area between the upper guide block 92 and the lower guide block 91, making the spring 94 return to its free state, and stably supporting the working bucket of the insulating boom truck.

[0067] When verifying the present invention, the inventor abandoned the prior art feature that the working bucket is directly placed on the auxiliary frame of the insulating boom truck, and the impact force generated by the insulating boom truck directly acts on the working bucket. First, the technical feature of making the working bucket of the insulating boom truck perform low-position transportation in a state of eliminating the impact force generated by the insulating boom truck was proposed, obtaining the first unexpected technical effect: realizing the flexible component support of the working bucket of the insulating boom truck on the auxiliary frame of the insulating boom truck, and no longer generating damaging forces on the working bucket of the insulating boom truck. Obtaining the second unexpected technical effect: realizing the composite force support of the rubber elasticity, spring energy storage and sealed hydraulic oil pressure release of the working bucket of the insulating boom truck. Obtaining the third unexpected technical effect: realizing a damping state, making the telescopic stroke of the pallet 99 in an extremely short state. Obtaining the fourth unexpected technical effect: improving the transportation performance of the working bucket of the insulating boom truck and expanding the usage range of the insulating boom truck.

[0068] For the second embodiment of the present utility model, the hydraulic buffer component and the elastic buffer component are interconnected in such a way that the working bucket of the insulating boom truck is transported at a low position in a state where the impact force generated by the insulating boom truck is eliminated.

[0069] In this embodiment, the elastic buffer component is connected to the hydraulic buffer component in such a way as to generate a reverse elastic force.

[0070] In this embodiment, the hydraulic buffer component is provided to include a piston rod 96 and a piston rod seat 93.

[0071] In this embodiment, the elastic buffer component is provided to include a guide rod 95, a spring 94, an upper guide block 92, and a lower guide block 91.

[0072] In this embodiment, a first accessory device is further included and the first accessory device is arranged in the elastic buffer component. The first accessory device is provided to include an orifice body 97 and a check valve body 90.

[0073] In this embodiment, a second accessory device is further included and the second accessory device is arranged on the hydraulic buffer component. The second accessory device is provided to include a support plate 99 and a support seat 98.

[0074] The second embodiment of the present utility model is based on the first embodiment.

[0075] The present utility model has the following characteristics:

[0076] 1. Since the hydraulic buffer component and the elastic buffer component are designed, through the hydraulic buffer component, the buffer hydraulic pressure generated by the closed hydraulic oil for the working bucket of the insulating boom truck is supported. Through the elastic buffer component, a reverse elastic force is generated on the hydraulic buffer component, enabling the working bucket of the insulating boom truck to be transported at a low position in a state where the impact force generated by the insulating boom truck is eliminated, solving the technical problem that the impact force generated by the insulating boom truck directly acts on the working bucket when the working bucket is directly placed on the subframe of the insulating boom truck. Therefore, the service performance of the working bucket is ensured and the service life of the working bucket is extended.

[0077] 2. Since the piston rod 96 and the piston rod seat 93 are designed, piston-type seat body support is achieved.

[0078] 3. Since the guide rod 95, the spring 94, the upper guide block 92, and the lower guide block 91 are designed, elastic energy storage buffer support for the piston rod 96 is achieved.

[0079] 4. Since the orifice body 97 and the check valve body 90 are designed, the spring 94 is enabled to work in a damping oil state.

[0080] 5. Due to the design of the support plate 99 and the support base 98, the rubber block support for the working bucket of the insulated boom truck is realized.

[0081] 6. Due to the design of limiting the numerical range of the structural shape, the numerical range is a technical feature in the technical solution of the present invention, rather than a technical feature obtained by formula calculation or through a finite number of tests. Tests show that the technical feature of this numerical range has achieved good technical effects.

[0082] 7. Due to the design of the technical features of the present invention, through the combined action of the technical features alone and in combination with each other, tests show that each performance index of the present invention is at least 1.7 times that of the existing performance indexes, and it has good market value through evaluation.

[0083] There are also other technical features related to the connection of the hydraulic buffer component and the elastic buffer component that enable the working bucket of the insulated boom truck to be transported at a low position in a state of eliminating the impact force generated by the insulated boom truck. These are all examples of the present invention, and the technical features of the above-described examples can be combined arbitrarily. To meet the requirements of the Patent Law, the Patent Implementing Regulations, and the Examination Guidelines, the embodiments of all possible combinations of the various technical features in the above-described examples will not be described one by one.

[0084] Therefore, in the technical field of the support device for the working bucket of an insulated boom truck in a driving state, all technical contents including the hydraulic buffer component installed on the auxiliary frame of the insulated boom truck and the elastic buffer component provided in the hydraulic buffer component are within the protection scope of the present invention.

Claims

1. A working bucket support device based on an insulated bucket truck in a driving state, characterized by: The utility model comprises a hydraulic buffer component installed on the auxiliary frame of the insulating bucket arm vehicle and an elastic buffer component arranged in the hydraulic buffer component. The hydraulic buffer component is configured to include a piston rod (96) and a piston rod seat (93). The elastic buffer component is configured to include a guide rod (95), a spring (94), an upper guide block (92) and a lower guide block (91). The invention also comprises a first accessory device and the first accessory device is arranged in the elastic buffer component, and the first accessory device is arranged to include a throttle body (97) and a check valve body (90). It also includes a second accessory device and the second accessory device is arranged on the hydraulic buffer component. The second accessory device is arranged to include a support plate (99) and a support seat (98). A piston rod (96) is arranged on a piston rod seat (93), a support seat (98) is arranged between the piston rod (96) and a support plate (99), a guide rod (95) is arranged between the piston rod (96) and the piston rod seat (93), an upper guide block (92) and a lower guide block (91) are arranged between the guide rod (95) and the piston rod (96), respectively, and a spring (94) is arranged between the upper guide block (92) and the lower guide block (91).

2. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The hydraulic buffer component and the elastic buffer component are connected to each other in a manner that the working bucket of the insulating bucket arm vehicle is transported at a low position while eliminating the impact force generated by the insulating bucket arm vehicle.

3. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 2 is characterized in that: The elastic buffer component is connected to the hydraulic buffer component in a manner that a reverse elastic force is generated.

4. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The piston rod seat (93) is configured as a block having a blind hole at the upper end and an injection hole at the side surface, and the blind hole of the piston rod seat (93) is configured to be connected to the piston rod (96), the injection hole of the piston rod seat (93) is configured to be threadedly connected to a plug, and the bottom wall of the piston rod seat (93) is configured to be connected to the guide rod (95) through a clamping nut, the bottom wall of the piston rod seat (93) is configured to be sleeve-connected to the guide rod (95), and the lower end face portion of the bottom wall of the piston rod seat (93) is configured to be contact-connected to the inner end face portion of the clamping nut located between the guide rod (95) and the piston rod seat (93), and the lower end face portion of the piston rod seat (93) is configured to be connected to the auxiliary frame of the insulating bucket arm truck.

5. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The piston rod (96) is configured as a rod-shaped body having a sealed inner cavity containing damping oil, and the upper end surface portion of the piston rod (96) is configured to be connected to a bracket (98), the lower end head of the piston rod (96) is configured to be sunk-connected to a piston rod seat (93), and the upper portion of the peripheral inner wall of the piston rod (96) is configured to be connected to the peripheral side surface portion of an upper guide block (92), the lower portion of the peripheral inner wall of the piston rod (96) is configured to be contact-connected to the peripheral side surface portion of a lower guide block (91), and the bottom wall of the piston rod (96) is configured to be sleeve-connected to a guide rod (95).

6. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The guide rod (95) is configured as a convex rod-shaped body having a threaded body at the contraction portion of the lower end, and the lower end of the guide rod (95) is configured to be connected to the piston rod seat (93) in a through-type manner, a clamping nut is provided between the lower end of the guide rod (95) and the piston rod seat (93), and the clamping nut located between the guide rod (95) and the piston rod seat (93) is configured to be connected to the lower end of the guide rod (95) in a threaded manner, the upper end of the guide rod (95) is configured to be connected to the piston rod (96), the spring (94) and the upper guide block (92) in a through-type manner, and the upper end of the guide rod (95) is configured to be connected to the lower guide block (91).

7. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The upper guide block (92) is configured as a circular disc having a central through hole, and the central through hole of the upper guide block (92) is configured to be sleeve-connected to a guide rod (95), the peripheral side surface of the upper guide block (92) is configured to be connected to a piston rod (96), and the lower end surface of the upper guide block (92) is configured to be contact-connected to a spring (94).

8. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The lower guide block (91) is configured as a circular disc having a central through hole, and the central through hole of the lower guide block (91) is configured to be connected to a guide rod (95), the peripheral side surface of the lower guide block (91) is configured to be contact-connected to a piston rod (96), and the upper end surface of the lower guide block (91) is configured to be contact-connected to a spring (94), and a throttle body (97) and a check valve body (90) are respectively provided in the lower guide block (91).

9. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The spring (94) is configured as a columnar spring and is configured to be sleeve-connected to a guide rod (95), one end of the spring (94) is configured to be contact-connected to a lower guide block (91) and the other end of the spring (94) is configured to be contact-connected to an upper guide block (92).

10. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The bracket (98) is configured as a rectangular rubber block and the bracket (98) is configured to be embeddedly connected to the support plate (99), the bracket (98) is configured to be connected to the support plate (99) through a pin shaft, and the lower end surface portion of the bracket (98) is configured to be connected to the piston rod (96).

11. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The upper end surface of the bracket (98) is arranged to be connected to the inner end surface of the upper buckle groove (981) and the lower end surface of the bracket (98) is arranged to be connected to the inner end surface of the lower buckle groove (982), the outer end surface of the upper buckle groove (981) is arranged to be connected to the support plate (99) and the outer end surface of the lower buckle groove (982) is arranged to be connected to the piston rod (96), the upper buckle groove (981) and the lower buckle groove (982) are respectively arranged to be a vertical part with a through hole body. The through hole body of the upper buckle groove (981) and the through hole body of the lower buckle groove (982) are respectively arranged to be connected to a pin shaft located between the support plate (99) and the bracket (98), and the inner side surface of the vertical part of the upper buckle groove (981) is arranged to be contact-connected with the outer side surface of the vertical part of the lower buckle groove (982).

12. The working bucket supporting device of the insulated bucket truck in the driving state according to claim 1 is characterized in that: The pallet (99) is set as a sheet-like body with a U-shaped groove at the lower end face, and the U-shaped groove of the pallet (99) is set to be connected to the support seat (98). The pallet (99) is set to be connected to the support seat (98) through a pin shaft, and the upper end face of the pallet (99) is set to be in contact connection with the working bucket of the insulating boom truck.

13. The working bucket supporting device of the insulated boom truck in the driving state according to any one of claims 1 to 12, characterized in that: The pallet (99), the support seat (98), the piston rod (96) and the piston rod seat (93) and the guide rod (95), the spring (94), the upper guide block (92) and the lower guide block (91) are set to be distributed in the manner of an internal buffer body, and the pallet (99), the support seat (98), the piston rod (96), the piston rod seat (93) and the guide rod (95), the spring (94), the upper guide block (92) and the lower guide block (91) and the throttle hole body (97) and the check valve body (90) are set to be distributed in the manner of injecting damping oil.

14. The working bucket supporting device of the insulated boom truck in driving state according to any one of claims 1 to 12, characterized in that: The center lines of the pallet (99), the support seat (98), the piston rod (96), the guide rod (95), the spring (94), the upper guide block (92), the lower guide block (91) and the piston rod seat (93) are arranged on the same straight line.

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