Pipe jacking stroke debugging device and debugging method for electric push rod

Abstract

The present invention relates to a pipe-jacking stroke debugging device for an electric push rod, comprising a vertical plate, wherein a fixing seat for fixing the electric push rod and arranged transversely is provided on the vertical plate, a connecting seat is provided on the vertical plate and is located on one side of the fixing seat and can reciprocate along the axis direction of the push rod's pipe-jacking, the connecting seat can be connected to one end of the push rod's pipe-jacking, and a first limit block for limiting the upward movement of the connecting seat and a second limit block for limiting the downward movement of the connecting seat and located below the first limit block are provided at the edge of the vertical plate. The present invention has the advantages of not requiring additional structure or volume to the electric push rod itself to ensure that the electric push rod meets customer needs, and the stroke debugging of the electric push rod is achieved through the movement of the pipe-jacking itself, making debugging easier. At the same time, the device can achieve stroke debugging of electric push rods with different axial lengths and different stroke requirements by changing the spacing between the first limit block and the second limit block.

Description

Technical Field

[0001] The invention relates to a pipe jacking stroke debugging device and a debugging method for an electric push rod, belonging to the technical field of electric push rod debugging. Background Art

[0002] An electric linear actuator is an electrically driven device that converts the rotational motion of a motor into linear reciprocating motion of a push rod. It boasts advantages such as a simple and compact structure, high transmission efficiency, and reliable operation, and is widely used in various fields. The stroke length of the push rod on the electric linear actuator needs to be set according to the required task to adapt to different usage requirements.

[0003] A Chinese patent application with publication number CN201651212U discloses an electric push rod with an inwardly adjustable stroke control switch, including a push rod, which is connected to an outer tube through a guide sleeve, the outer tube is fixed to the casing, the top of the push rod is connected to a connector, the bottom of the push rod is engaged with a screw through a nut, the screw is located in the casing and extends into the cavity of the push rod, the transmission turbine is fixed to the screw and connected to an external reduction motor, a groove is provided at the bottom of the screw, a transmission shaft is connected in the groove, a transmission gear is installed on the transmission shaft, the transmission gear is engaged with a gear ring group, the gear ring group is connected to a switch cam, and the switch cam is connected to the stroke control switch.

[0004] The stroke control switch of the electric push rod with an internally adjustable stroke control switch is set inside. When performing stroke debugging, the electric push rod performs stroke debugging independently, but some electric push rods are fixed in size and the required stroke does not need to be adjusted. After the production of such electric push rods, customers often require the manufacturer to debug the stroke, and the stroke of the electric push rod can be debugged to a fixed stroke. For the stroke debugging of such electric push rods, the above-mentioned electric push rod with an internally adjustable control switch adds part of the overall structure, and the size and function do not meet the requirements of some customers, and each electric push rod has an additional structure, which makes the structure more complicated and the debugging more troublesome and time-consuming. Summary of the Invention

[0005] The present invention aims to provide a pipe jacking stroke debugging device and debugging method for an electric push rod, which solves the problems of the prior art such as small application range, complex structure, and troublesome and time-consuming stroke debugging.

[0006] The above technical objectives of the present invention are mainly solved by the following technical solutions: A pipe-jacking stroke debugging device for an electric push rod, comprising a vertical plate, a fixing seat for fixing the electric push rod and arranged horizontally on the vertical plate, a connecting seat located on one side of the fixing seat and reciprocating along the axis direction of the push rod, the connecting seat can be connected to one end of the push pipe of the electric push rod, and a first limit block for limiting the upward movement of the connecting seat and a second limit block for limiting the downward movement of the connecting seat and located below the first limit block are provided at the edge of the vertical plate; the fixing seat can fix the electric push rod so that it can be easily moved by connecting The socket is connected to the top pipe of the electric push rod, so that when the top pipe itself moves up and down, the spacing between the first limit block and the second limit block is controlled to achieve precise debugging of the movable stroke of the top pipe, thereby eliminating the need to add structure or increase volume to the electric push rod itself to ensure that the electric push rod meets customer needs and avoids the complexity of the structure of the electric push rod. The stroke of the electric push rod is debugged by the movement of the top pipe itself, making debugging easier. At the same time, this device can achieve stroke debugging of electric push rods with different axial lengths and different stroke requirements by changing the spacing between the first limit block and the second limit block.

[0007] Preferably, a slide rail is provided on one side of the fixed seat along the axis direction of the top tube of the electric push rod, and the slide rail is located on one side of the first limit block and the second limit block. A slider is provided on the slide rail, which is connected to the connecting seat and can move on the slide rail; the setting of the above-mentioned slide rail and slider enables the connecting seat to move along the length direction of the slide rail, and the cooperation of the slide rail and the slider makes the movement of the connecting seat smoother, and plays a guiding role, which can avoid displacement when the connecting seat moves.

[0008] Preferably, the slider is located between the first limit block and the second limit block, the upper end surface of the slider can abut against the lower end surface of the first limit block, and the lower end surface of the slider can abut against the upper end surface of the second limit block; the setting of the above-mentioned slider enables the slider to be blocked and limited by the first limit block and the second limit block when moving up and down, so that the first limit block and the second limit block form a stroke limit for the slider, thereby realizing the stroke limit of the connecting seat, and then realizing the stroke debugging function of the jacking pipe.

[0009] Preferably, a first connecting column and a second connecting column arranged parallel to each other are provided on the side wall of the connecting seat, a fixing block is provided at the outer end of the sliding block, and the fixing block is provided with a pin shaft which is arranged to pass through the fixing block and protrudes from the upper and lower end surfaces of the fixing block, and the first connecting column and the second connecting column are both rotatably connected to the protruding parts of the pin shaft; the above-mentioned first connecting column and the second connecting column are connected to the upper and lower end surfaces of the fixing block through the pin shaft, so that the connecting seat can rotate around the pin shaft, thereby facilitating the connection seat to be separated from or connected to the top pipe at any time, and facilitating the control of the flipping of the connecting seat.

[0010] Preferably, an arc-shaped groove is provided on the end face of the connecting seat, which cooperates with the side wall of the top tube of the electric push rod, and a magnet is provided on the arc surface of the arc-shaped groove; the setting of the above-mentioned arc-shaped groove can cooperate with the side wall of the top tube of the electric push rod, and is close to the side wall of the top tube of the electric push rod, so that the magnet can be adsorbed on the side wall of the top tube of the electric push rod, thereby firmly connecting the connecting seat and the side wall of the electric push rod.

[0011] Preferably, a stopper covering the opening of the arc-shaped groove is provided at the upper end surface of the connecting seat; the setting of the above-mentioned stopper can cooperate with the arc-shaped groove to form a limit for the end of the jacking pipe, so that when the jacking pipe is screwed into the screw rod, the connecting seat can be driven by the stopper to move to a position abutting against the first limit block, thereby presetting the starting position of the jacking pipe's stroke, that is, positioning the initial position of the jacking pipe.

[0012] Preferably, an upper limit seat fixed on the vertical plate is provided above the slide rail, and a lower limit seat fixed on the vertical plate is provided below the slide rail; the setting of the above-mentioned upper limit seat and lower limit seat can limit the movement of the slider to prevent the slider from falling off the slide rail when moving.

[0013] Preferably, the fixing seat cooperates with the casing of the electric push rod to clamp the casing of the electric push rod on the upper end surface of the fixing seat, and the vertical plate is provided with a quick clamp for clamping the casing of the electric push rod on the upper end surface of the fixing seat; the setting of the above-mentioned quick clamp can cooperate with the upper end surface of the fixing seat to clamp the casing part of the electric push rod, thereby fixing the electric push rod on the fixing seat and maintaining the stability of the electric push rod.

[0014] Preferably, the debugging method of the pipe jacking stroke debugging device comprises the following steps:

[0015] S1, correcting the distance between the first limit block and the second limit block;

[0016] S2. Fix the electric push rod on the fixed seat;

[0017] S3. Screw the top tube of the electric linear actuator onto the screw rod of the electric linear actuator, and connect the top tube of the electric linear actuator and the connecting seat;

[0018] S4. Continue to twist the push rod to move the push rod to the preset starting point.

[0019] S5. Start the electric push rod and adjust the movable stroke of the jacking pipe;

[0020] The above steps enable the pipe pushing stroke of the electric push rod to be debugged through the distance between the first limit block and the second limit block to determine the movable stroke of the pipe pushing of the electric push rod. The stroke debugging operation is simple and very practical.

[0021] Therefore, the present invention does not require adding structure or volume to the electric push rod itself to ensure that the electric push rod meets customer needs, and the stroke of the electric push rod can be debugged through the movement of the top pipe itself, making debugging easier. At the same time, the device can realize stroke debugging of electric push rods with different axial lengths and different stroke requirements by changing the spacing between the first limit block and the second limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 yes Figure 1 Schematic diagram of the structure of the connecting seat. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0025] like Figure 1 As shown, a jacking stroke debugging device for an electric push rod comprises a vertical plate 1, a fixing seat 2 for fixing the electric push rod and arranged horizontally is provided on the vertical plate 1, a connecting seat 3 is provided on the vertical plate 1, which is located on one side of the fixing seat 2 and can reciprocate along the axial direction of the jacking pipe of the electric push rod, and the connecting seat 3 can be connected to one end of the jacking pipe of the electric push rod. A first limit block 11 for limiting the upward movement of the connecting seat 3 and a second limit block 12 for limiting the downward movement of the connecting seat 3 and located below the first limit block 11 are provided at the edge of the vertical plate 1. The fixing seat 2 cooperates with the casing of the electric push rod to clamp the casing of the electric push rod on the upper end surface of the fixing seat 2, and the vertical plate 1 is provided with a quick clamp 13 for clamping the casing of the electric push rod on the upper end surface of the fixing seat 2.

[0026] The push tube of the above-mentioned electric push rod moves axially on the screw rod. The axial movable range of the push tube of the electric push rod has different requirements in different application scenarios, and the first limit block and the second limit block respectively limit the position of the starting point and end point of the push tube movement of the electric push rod, thereby limiting the push tube stroke of the electric push rod. The first limit block and the second limit block can adjust their own positions along the axial direction of the push tube of the electric push rod to adjust the distance between the first limit block and the second limit block according to needs. The outer side of the fixing seat is provided with a plurality of arc grooves that cooperate with the electric push rod, which can clamp the electric push rod. The casing of the electric push rod is clamped on the upper end face of the fixing seat, and is quickly clamped on the vertical plate to clamp the electric push rod on the fixing seat, thereby fixing the electric push rod.

[0027] like Figure 1As shown, one side of the fixed seat 2 is provided with a slide rail 4 arranged along the axis direction of the top pipe of the electric push rod, and the slide rail 4 is located on one side of the first limit block 11 and the second limit block 12. The slide rail 4 is provided with a slider 41 connected to the connecting seat 3 and movable on the slide rail 4. The slider 41 is located between the first limit block 11 and the second limit block 12, and the upper end surface of the slider 41 can abut against the lower end surface of the first limit block 11, and the lower end surface of the slider 41 can abut against the upper end surface of the second limit block 12. An upper limit seat 43 fixed to the vertical plate 1 is provided above the slide rail 4, and a lower limit seat 44 fixed to the vertical plate 1 is provided below the slide rail 4; when the connecting seat moves, it moves along the trajectory of the slide rail through the connection with the slider, and is blocked by the first limit block and the second limit block to limit the moving stroke of the top pipe. The upper limit seat and the lower limit seat are respectively arranged at the upper and lower ends of the slide rail to limit the movable position of the slider.

[0028] like Figure 1-2 As shown, the side wall of the connecting seat 3 is provided with a first connecting column 31 and a second connecting column 32 arranged parallel to each other, the outer end of the slider 41 is provided with a fixing block 42, the fixing block 42 is provided with a pin 421 that is set up and down and protrudes from the upper and lower end surfaces of the fixing block 42, the first connecting column 31 and the second connecting column 32 are both rotatably connected to the protruding part of the pin 421, the end surface of the connecting seat 3 is provided with an arc groove 33 that cooperates with the side wall of the top tube of the electric push rod, the arc surface of the arc groove 33 is provided with a magnetic steel 33, and the upper end surface of the connecting seat 3 is provided with a cover for the opening of the arc groove 33. Stop block 34; the top pipe of the electric push rod can be adsorbed by the magnetic steel. When the connecting seat is flipped to the side wall of the top pipe through the pin shaft, the magnetic steel adsorbs the top pipe of the electric push rod to achieve adsorption of the top pipe of the electric push rod, connecting the connecting seat with the top pipe of the electric push rod, and the stop block is just located on the end face of the top pipe, forming a limit for one end of the top pipe. Before debugging, the top pipe needs to be screwed onto the screw rod of the electric push rod. When the top pipe is screwed, it moves on the screw rod and pushes the connecting seat upward until the slider connected to the connecting seat abuts against the first limit block, thereby achieving the preset positioning of the starting point of the stroke of the top pipe.

[0029] like Figure 1-2 As shown, the debugging method of the pipe jacking stroke debugging device includes the following steps:

[0030] S1, correcting the distance between the first limit block and the second limit block;

[0031] S2. Fix the electric push rod on the fixed seat;

[0032] S3. Screw the top tube of the electric linear actuator onto the screw rod of the electric linear actuator, and connect the top tube of the electric linear actuator and the connecting seat;

[0033] S4. Continue to twist the push rod to move the push rod to the preset starting point.

[0034] S5. Start the electric push rod and adjust the movable stroke of the jacking pipe.

[0035] The device is fixed vertically. Before debugging the stroke of the jacking pipe, it is necessary to adjust the distance between the first limit block and the second limit block according to the customer's stroke requirements for the electric push rod. After adjusting and correcting the distance between the first limit block and the second limit block, after fixing the electric push rod on the fixed seat, screw the jacking pipe of the electric push rod onto the screw rod of the electric push rod, and put the arc groove of the connecting seat on the side wall of the jacking pipe of the electric push rod, and the stop block is located on the end face of the jacking pipe. Continue to screw the jacking pipe, and the jacking pipe pushes the stop block, so that the connecting seat moves with the slider until the slider abuts with the first limit block, thereby forming the starting point of the stroke of the jacking pipe, and then start the mobilization push rod, the jacking pipe drives the connecting seat to move, and the connecting seat moves with the slider until the slider abuts with the second limit block, thereby forming the end point of the stroke of the jacking pipe, and then completes the debugging of the electric push rod.

Claims

1. A pipe jacking stroke debugging method, characterized in that: The debugging device adopts the following method: comprising a vertical plate (1), wherein a fixing seat (2) for fixing the electric push rod and arranged transversely is provided on the vertical plate (1), a connecting seat (3) located on one side of the fixing seat (2) and capable of reciprocating along the axis direction of the top pipe of the electric push rod is provided on the vertical plate (1), the connecting seat (3) can be connected to one end of the top pipe of the electric push rod, a first limit block (11) for limiting the upward movement of the connecting seat (3) and a second limit block (12) for limiting the downward movement of the connecting seat (3) and located below the first limit block (11) are provided at the edge of the vertical plate (1); a slide rail (4) arranged along the axis direction of the top pipe of the electric push rod is provided on one side of the fixing seat (2), the slide rail (4) is located on one side of the first limit block (11) and the second limit block (12), and a slider (41) connected to the connecting seat (3) and capable of moving on the slide rail (4) is provided on the slide rail (4); the side of the connecting seat (3) is provided with a first limit block (11) and a second limit block (12) for limiting the downward movement of the connecting seat (3). A first connecting column (31) and a second connecting column (32) are provided on the wall and are arranged parallel to each other. A fixed block (42) is provided at the outer end of the slider (41). The fixed block (42) is provided with a pin shaft (421) which is arranged to pass through the upper and lower ends of the fixed block (42). The first connecting column (31) and the second connecting column (32) are both rotatably connected to the protruding portion of the pin shaft (421). An arc groove (33) which cooperates with the side wall of the top tube of the electric push rod is provided on the end face of the connecting seat (3). A magnetic steel (331) is provided on the arc surface of the arc groove (33). A stopper (34) which covers the opening of the arc groove (33) is provided on the upper end face of the connecting seat (3). The fixed seat (2) cooperates with the housing of the electric push rod to clamp the housing of the electric push rod on the upper end face of the fixed seat (2). A quick clamp (13) which clamps the housing of the electric push rod on the upper end face of the fixed seat (2) is provided on the vertical plate (1). The method comprises the following steps: S1, correcting the distance between the first limit block and the second limit block; S2. Fix the electric push rod on the fixed seat; S3. Screw the top tube of the electric linear actuator onto the screw rod of the electric linear actuator, and connect the top tube of the electric linear actuator and the connecting seat; S4. Continue to twist the push rod to move the push rod to the preset starting point. S5. Start the electric push rod and adjust the movable stroke of the jacking pipe.

2. The method according to claim 1, wherein: The slider (41) is located between the first limiting block (11) and the second limiting block (12); the upper end surface of the slider (41) can abut against the lower end surface of the first limiting block (11); and the lower end surface of the slider (41) can abut against the upper end surface of the second limiting block (12).

3. The method according to claim 1, wherein: An upper limit seat (43) fixed on the vertical plate (1) is provided above the slide rail (4), and a lower limit seat (44) fixed on the vertical plate (1) is provided below the slide rail (4).

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