Switch control assembly and portable hydraulic pile driver

Abstract

The utility model discloses a switch control assembly and a portable hydraulic pile driver. Comprising a sleeve capable of reciprocating in the vertical direction, a first spring arranged at the bottom of the sleeve, a connecting rod capable of reciprocating in the vertical direction, a connecting block connecting the sleeves and a pressing rod, one end of the pressing rod is connected with the connecting rod, and the other end of the pressing rod is located at the top of a valve element of an oil way system. A pull-down control mode is adopted, so that the problem that the piling direction is inconsistent with the handheld force exerting direction is solved; a mode of combining the handheld rod and the sleeve into one is adopted, so that the problem of incoordination generated when multiple persons are required to operate in a matched manner is effectively solved; no welding part is adopted, and all connections adopt threaded connection, so that the process complexity caused by welding errors is avoided; no external control valve group is arranged, so that the weight of the whole machine and the manufacturing cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of portable hydraulic pile driver switches, in particular to a switch control assembly. Background Art

[0002] A portable hydraulic pile driver is a mechanical device that uses hydraulic transmission technology to generate power through a hydraulic system, and uses the lifting and lowering movement of the hammer head through a hydraulic cylinder to sink the pile into the soil to form a stable foundation.

[0003] Currently, most portable hydraulic pile drivers on the market use a steel ball and a push rod to press the valve core of the pile driver's oil system, controlling the valve core to move up and down to start and stop the pile driver. This method has a complex structure and high assembly requirements. There is also a type of pile driver that does not have an operating switch. This type of pile driver uses the output handle of the hydraulic power pump to operate the start and stop operation of the pile driver. This method requires the cooperation of multiple people, is inconvenient to operate, and requires a high degree of cooperation. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a switch control assembly which is convenient for starting and stopping.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solution: a switch control assembly, including a sleeve that can reciprocate in a vertical direction, a first spring arranged at the bottom of the sleeve, a connecting rod that can reciprocate in a vertical direction, a connecting block connecting the sleeves to the sleeves, and a pressure rod connected to the connecting rod at one end, and the other end of the pressure rod is located at the top of the valve core of the oil circuit system.

[0006] Furthermore, one end of the pressure rod corresponding to the top of the valve core is provided with a groove for accommodating the valve core.

[0007] Furthermore, the connecting block is connected to the sleeve in a vertical direction.

[0008] Furthermore, it also includes a second spring which is wound around the connecting rod and one end of which is connected to the connecting rod.

[0009] Furthermore, it also includes a spring seat connected to the bottom of the sleeve in a vertical direction, and the first spring is connected to the spring seat.

[0010] A portable hydraulic pile driver comprises a portable hydraulic pile driver body and a switch control assembly arranged on the portable hydraulic pile driver body.

[0011] Furthermore, the sleeve is sleeved on the hand-held rod of any of the portable hydraulic pile driver bodies, the first spring is wound around the corresponding hand-held rod and connected to the bottom support plate of the portable hydraulic pile driver body, and the connecting rod is passed through the top support plate of the portable hydraulic pile driver body.

[0012] Furthermore, it also includes a bushing arranged on the top support plate and located at the top of the corresponding hand-held rod, and the bushing can contact the connecting block.

[0013] The beneficial effects of the utility model are embodied in:

[0014] The switch control assembly of the utility model can drive the connecting rod and the pressure rod to be pressed down by pulling down the sleeve, and the pressure rod presses down and the switch valve core moves downward, opening the hydraulic system oil circuit and leading to the portable hydraulic pile driver body to realize the piling operation, and remove the downward pulling force of the hand, and the first spring and the spring inside the switch valve core are reset, closing the hydraulic system oil circuit, and the piling operation stops. The structure is simple and the operation is convenient;

[0015] The pull-down control method is adopted to avoid the problem that the direction of pile driving is inconsistent with the direction of hand grip force;

[0016] The invention can be assembled on the hand-held rod of the existing portable hydraulic pile driver, and the hand-held rod and the casing are combined into one, which effectively solves the incoordination problem caused by the cooperation of multiple people in operation, and there is no external control valve group, which reduces the weight of the whole machine and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the switch control assembly of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the portable hydraulic pile driver of the utility model;

[0019] Figure 3 It is a partial structural sectional view of the practical portable hydraulic pile driver.

[0020] The components in the accompanying drawings are marked as follows: 1. sleeve; 2. first spring; 3. connecting rod; 4. connecting block; 5. pressure rod; 501. groove; 6. valve core; 7. second spring; 8. spring seat; 9. portable hydraulic pile driver body; 91. hand-held rod; 92. bottom support plate; 93. top support plate; 10. bushing. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , 3 .

[0023] The switch control assembly of the utility model comprises a sleeve 1 that can reciprocate in the vertical direction, a first spring 2 arranged at the bottom of the sleeve 1, a connecting rod 3 that can reciprocate in the vertical direction, a connecting block 4 that connects the sleeve 1 to the sleeve 1, and a pressure rod 5 that is connected to the connecting rod 3 at one end, and the other end of the pressure rod 5 is located at the top of the valve core 6 of the oil circuit system. With such a design, the sleeve 1 can be installed on the hand-held rod 91 of the existing portable hydraulic pile driver, and the sleeve 1 can be pulled down to drive the connecting rod 3 and the pressure rod 5 to be pressed down, and the pressure rod 5 presses the switch valve core 6 downward to open the hydraulic system oil circuit and lead to the portable hydraulic pile driver body 9 to realize the piling operation, remove the downward pulling force of the hand, and the first spring 2 and the spring inside the switch valve core 6 are reset to close the hydraulic system oil circuit, and the piling operation stops. It should be noted that the spring reset inside the valve core 6 is a prior art, so the specific structure will not be described in detail.

[0024] See also Figure 3 In this embodiment, a groove 501 for accommodating the valve core 6 is provided at one end of the pressure rod 5 corresponding to the top of the valve core 6. In this design, the valve core 6 is limited by the groove 501, and when the pressure rod 5 is pressed down and the valve core 6 rises automatically, the valve core 6 and the pressure rod 5 will not slide relative to each other, causing difficulty in operation.

[0025] See also Figure 1 In this embodiment, the connection block 4 is connected to the sleeve 1 in the vertical direction. This design allows the connection block 4 to be sleeved together with the sleeve 1 on the outside of the hand-held rod 91, ensuring that the connection of the connection block 4 is stable.

[0026] See also Figure 1 In this embodiment, a second spring 7 is further included which is wound around the connecting rod 3 and one end of which is connected to the connecting rod 3. In this design, by adding the second spring 7 and placing the second spring 7 close to the pressure rod 5, the stable movement and reset of the pressure rod 5 are ensured.

[0027] See also Figure 1In this embodiment, a spring seat 8 is further included which is connected to the bottom of the sleeve 1 in the vertical direction, and the first spring 2 is connected to the spring seat 8. This design provides a mounting position for the first spring 2, and enables the spring seat 8 to be sleeved together with the sleeve 1 on the outside of the hand-held rod 91, thereby ensuring the stable connection of the spring seat 8.

[0028] See also Figure 2 , a portable hydraulic pile driver, comprising a portable hydraulic pile driver body 9 and a switch control assembly arranged on the portable hydraulic pile driver body 9;

[0029] The sleeve 1 is sleeved on the hand-held rod 91 of any portable hydraulic pile driver body 9, the first spring 2 is wound on the corresponding hand-held rod 91 and connected to the bottom support plate 92 of the portable hydraulic pile driver body 9, and the connecting rod 3 is passed through the top support plate 93 of the portable hydraulic pile driver body 9. With this design, the switch control assembly can be assembled on the hand-held rod 91 of the existing portable hydraulic pile driver, and the hand-held rod 91 and the sleeve 1 are combined into one, which effectively solves the problem of incoordination when multiple people need to cooperate in operation, and there is no external control valve group, which reduces the weight of the whole machine and reduces the manufacturing cost. In this embodiment, the other end of the second spring 7 is connected to the top support plate 93.

[0030] See also Figure 2 In this embodiment, it also includes a bushing 10 arranged on the top support plate 93 and located at the top of the corresponding hand-held rod 91, and the bushing 10 can contact the connecting block 4.

[0031] It should also be noted that, in the present invention, the connection block 4, the spring seat 8 and the sleeve 1 are threadedly connected, and the connection block 4, the pressure rod 5 and the connecting rod 3 are bolted. There are no welded parts as a whole, thus avoiding the process complexity caused by welding errors.

[0032] In summary, the switch control assembly and the portable hydraulic pile driver of the utility model:

[0033] 1. Use the pull-down control method to avoid the problem of inconsistency between the driving direction and the hand-grip force direction;

[0034] 2. The hand-held rod 91 and the sleeve 1 are combined into one, which effectively solves the problem of incoordination caused by the need for multiple people to cooperate in the operation;

[0035] 3. There are no welded parts, and all connections are threaded to avoid process complexity caused by welding errors;

[0036] 4. No external control valve group, which reduces the weight of the whole machine and reduces manufacturing costs.

[0037] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0039] It should be understood that the examples and implementation modes described herein are for illustrative purposes only and are not intended to limit the present invention. Those skilled in the art may make various modifications or changes based on the examples and implementation modes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A switch control assembly, characterized in that: The invention comprises a sleeve (1) capable of reciprocating in a vertical direction, a first spring (2) arranged at the bottom of the sleeve (1), a connecting rod (3) capable of reciprocating in a vertical direction, a connecting block (4) connecting the sleeve (1) with the sleeve (1), and a pressure rod (5) having one end connected to the connecting rod (3), wherein the other end of the pressure rod (5) is located at the top of a valve core (6) of an oil circuit system.

2. The switch control assembly according to claim 1, characterized in that: One end of the pressure rod (5) corresponding to the top of the valve core (6) is provided with a groove (501) capable of accommodating the valve core (6).

3. The switch control assembly according to claim 1, characterized in that: The connection block (4) is connected to the sleeve (1) in a vertical direction.

4. The switch control assembly according to claim 1, characterized in that: It also includes a second spring (7) which is wound around the connecting rod (3) and one end of which is connected to the connecting rod (3).

5. The switch control assembly according to claim 1, characterized in that: It also comprises a spring seat (8) connected to the bottom of the sleeve (1) in a vertical direction, and the first spring (2) is connected to the spring seat (8).

6. A portable hydraulic pile driver, characterized in that: The portable hydraulic pile driver comprises a body (9) of the portable hydraulic pile driver and a switch control assembly as claimed in any one of claims 1 to 5 arranged on the body (9) of the portable hydraulic pile driver.

7. The portable hydraulic pile driver according to claim 6, characterized in that: The sleeve (1) is sleeved on a hand-held rod (91) of any portable hydraulic pile driver body (9); the first spring (2) is wound around the corresponding hand-held rod (91) and connected to a bottom support plate (92) of the portable hydraulic pile driver body (9); and the connecting rod (3) is passed through a top support plate (93) of the portable hydraulic pile driver body (9).

8. The portable hydraulic pile driver according to claim 7, characterized in that: It also includes a bushing (10) which is arranged on the top support plate (93) and located at the top of the corresponding hand-held rod (91), and the bushing (10) can contact the connecting block (4).

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