A drilling platform for antenna assembly
Patent Information
- Application Number
- CN202611215252.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2026-08-12
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2046-08-12
AI Technical Summary
然而,现有设备多通过Z轴快速抬升的方式实现退刀,这会带动沉重的主轴箱体急速上升,对Z轴丝杠、导轨及轴承等传动部件产生显著的加速度冲击和惯性负载
[0015]与现有技术相比,本发明的有益效果是;
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Figure CN122746505B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of cutting tool deep machining technology, and specifically to a drilling platform for deep machining of cutting tools for deep holes in combined antennas. Background Technology
[0002] In the manufacturing of modular antennas, components typically require extensive deep machining and drilling using cutting tools to achieve assembly. Drilling equipment is a common tool for this deep machining process. Currently, drilling is mostly performed manually or via CNC programming. However, in actual production, misjudgments during manual operation or deviations in programmed data can cause the tool to continue overfeeding at the moment of drilling through, leading to a tool collision. Such accidents not only easily cause drill bit breakage but can also cause irreversible damage to the machine tool spindle accuracy and overall rigidity. Therefore, a device is needed to prevent drill bit breakage during the deep machining of cutting tools in modular antennas.
[0003] Furthermore, combined antennas often incorporate deep-hole features. After deep-hole machining, a rapid retraction of the drill bit helps reduce scratching of the machined hole wall by the drill bit's helical cutting edge, effectively suppressing helical scratches and improving the surface finish of the hole wall. However, existing equipment often achieves retraction through rapid Z-axis lifting, which causes the heavy spindle box to rise rapidly, generating significant acceleration impacts and inertial loads on transmission components such as the Z-axis leadscrew, guide rails, and bearings. Over time, this not only accelerates fatigue wear of mechanical components but may also reduce the machine tool's positioning accuracy and service life. Summary of the Invention
[0004] The purpose of this invention is to provide a combined antenna processing drill table for deep machining of cutting blades, which can reduce the risk of drill bit breakage when the cutting blade hits the feed downward, and can better protect the Z-axis when the cutting blade is quickly retracted.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a drilling rig for combined antenna processing, comprising a machine body and a displacement monitoring structure. The machine body contains a movable and controllable spindle box, and the spindle box contains a rotatable spindle body. The spindle body has a cylindrical cavity and a limiting passage cavity inside. The upper end of the limiting passage cavity communicates with the cylindrical cavity, and the lower end is open. A drilling shaft is inserted into the limiting passage cavity, and the limiting passage cavity and the drilling shaft are limited by their cross-sectional shapes, allowing the spindle body to... It can drive the drill spindle to rotate, and perform deep machining through the drill spindle; the cylindrical cavity is equipped with a piston structure, and the upper end of the drill spindle is fixedly installed with the piston structure. The piston structure and the drill spindle are driven to move up and down by the air pressure change inside the cylindrical cavity; a friction locking assembly is provided below the spindle box. The friction locking assembly locks the spindle body and the drill spindle through friction. Initially, the inside of the cylindrical cavity is in a negative pressure state. When the displacement monitoring structure detects that the drill spindle moves upward relative to the spindle body, the friction locking assembly unlocks.
[0006] The friction locking assembly includes a bracket sleeve fixedly mounted on the outer surface of the spindle box, and a telescopic drive unit fixedly mounted on the bracket sleeve; a toggle ring is fixedly mounted on the telescopic shaft of the telescopic drive unit, and the telescopic drive unit controls the lifting and lowering of the toggle ring.
[0007] The main shaft is fitted with a follower ring, and the fixed ring and the follower ring are matched for limiting. The fixed ring can drive the follower ring to move up and down, and the follower ring can rotate relative to the fixed ring. A vertical rack is fixedly provided on the lower surface of the follower ring, and a stabilizing plate is fixedly provided on the outside of the main shaft. The stabilizing plate limits the vertical rack so that the vertical rack can only move up and down.
[0008] The spindle body is helically fitted with a set screw, and an end gear is fixedly provided at the end of the set screw. The end gear meshes with the vertical rack. When the vertical rack moves up and down, it drives the set screw to move axially, so that the end of the set screw can press against the outer surface of the drilling shaft, thereby achieving relative locking between the spindle body and the drilling shaft.
[0009] An impact cavity is formed inside the drill shaft along its axial direction. A counterweight spindle is provided in the impact cavity, and a first elastic element is provided below the counterweight spindle to apply an upward elastic force to it. A strike seat is provided at the top of the impact cavity.
[0010] The surface of the drilling shaft is provided with a wall groove, and a telescopic tongue is inserted into the counterweight mandrel. The end of the telescopic tongue away from the counterweight mandrel is inserted into the wall groove and does not protrude from the outer surface of the drilling shaft.
[0011] The counterweight spindle is provided with a second elastic element inside, which applies elastic force to the telescopic tongue, causing the telescopic tongue to extend elastically from the counterweight spindle.
[0012] An additional shaft is fixedly installed on the stabilizing back plate, and an associated skid plate is rotatably installed on the outside of the additional shaft; one end of the associated skid plate is inserted into the wall groove and cooperates with the telescopic tongue.
[0013] A frame groove is formed through the surface of the associated skid plate, and an associated pivot is inserted into the frame groove. The associated pivot is fixedly mounted on the vertical rack.
[0014] The upward movement of the vertical rack causes the associated pry bar to rotate around the additional shaft, so that the associated pry bar pushes the telescopic tongue downward and separates it.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] 1. This invention's drilling platform, designed for deep machining of combined antennas using cutting blades, utilizes a friction locking assembly, displacement monitoring structure, and drill axis to reduce the risk of drill bit breakage due to excessive downward feed caused by programming errors or manual operation mistakes during drilling. When the feed pressure exceeds the locking friction force, this invention can control the drill axis to automatically and rapidly move upward. This protective structure is independent of the machining program and is not affected by programming errors. Furthermore, during normal use, it can quickly retract the tool, reducing the impact on the Z-axis.
[0017] 2. The present invention, through the combination of a counterweight mandrel, a telescopic tongue, and an associated skid plate, can apply an upward hammering force to the drilling axis to assist in freeing the drill bit from jamming when it is stuck in the combined antenna workpiece. Compared with the machine tool's method of forcibly lifting the Z-axis, this invention can reduce damage to the Z-axis lifting system and avoid loss of accuracy. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention.
[0019] Figure 2 This is a schematic diagram of the spindle box of the present invention.
[0020] Figure 3 This is a top view of the spindle box of the present invention.
[0021] Figure 4 For the present invention Figure 3 Cross-sectional view at point AA.
[0022] Figure 5 This is a cross-sectional view of the main shaft of the present invention.
[0023] Figure 6 This is a three-dimensional half-section view of the spindle box of the present invention.
[0024] Figure 7 This is a three-dimensional half-sectional view of the piston structure of the present invention.
[0025] Figure 8 This is a three-dimensional half-sectional view of the set screw part of the present invention.
[0026] Figure 9 This is a schematic diagram of the drilling shaft of the present invention.
[0027] Figure 10 This is a schematic diagram of the rotating ring of the present invention.
[0028] In the diagram: 1. Equipment body; 2. Spindle box; 3. Spindle body; 4. Cylindrical cavity; 5. Limiting passage cavity; 6. Drilling shaft; 7. Piston structure; 201. Bracket sleeve; 202. Telescopic drive unit; 203. Actuating ring; 204. Follower ring; 205. Pulley rack; 206. Stabilizing plate; 207. Set screw; 208. End gear; 601. Impact cavity; 602. Counterweight spindle; 603. First elastic element; 604. Impact seat; 605. Side groove; 606. Telescopic tongue; 607. Second elastic element; 608. Additional shaft; 609. Associated skid plate; 610. Frame groove; 611. Associated actuating shaft; 101. Protective door; 102. Control panel; 301. Gas flow channel; 302. Top air nozzle; 401. Third elastic element; 612. Drill head. Detailed Implementation
[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0030] Please see Figures 1 to 10 The present invention provides a technical solution: a drilling platform for processing combined antennas, which aims to reduce the risk of drill bit breakage when the cutting tool hits the cutting tool during deep processing of combined antennas, and to better protect the Z-axis during rapid retraction. Specific embodiments are as follows.
[0031] Example 1: The drilling rig includes a main body 1, see [reference]. Figure 1The device body 1 of this invention is provided with a protective door 101 that can be opened and closed horizontally. A control panel 102 is installed on the front surface of the device body 1. The device body 1 of this invention is the prior art. The device body 1 is provided with a movable and controllable spindle box 2. The device body 1 is provided with a three-axis servo motion system, which can be positioned and moved on the X-axis, Y-axis and Z-axis. The Z-axis is used to control the lifting and feeding action. The spindle box 2 is moved and controlled by the three-axis servo motion system to realize drilling and cutting at different positions. The spindle box 2 is provided with a rotatable spindle body 3. The spindle body 3 has a cylindrical cavity 4 and a limiting passage cavity 5 inside. The upper end of the limiting passage cavity 5 is connected to the cylindrical cavity 4, and the lower end is open.
[0032] A drilling shaft 6 is inserted into the limiting cavity 5. The limiting cavity 5 and the drilling shaft 6 are positioned by their cross-sectional shapes; specifically, the cross-section of the limiting cavity 5 is hexagonal, and the cross-section of the drilling shaft 6 is also hexagonal. This positioning cooperation allows the spindle body 3 to drive the drilling shaft 6 to rotate, thus achieving deep machining. (See also...) Figure 6 The bottom of the drilling shaft 6 of the present invention is equipped with a drilling head 612. The drilling head 612 includes a drill chuck and a drill bit. The drill bit is clamped and fixed by the drill chuck. Specifically, the drilling shaft 6 uses the drill bit on the drilling head 612 as a cutting blade to achieve deep machining.
[0033] The cylindrical cavity 4 is equipped with a piston structure 7, see reference. Figure 6 As shown, a third elastic element 401 is provided inside the cylindrical cavity 4. The third elastic element 401 is a tension spring. The upper end of the third elastic element 401 is fixed to the top of the inner wall of the cylindrical cavity 4, and the lower end of the third elastic element 401 is fixedly connected to the piston structure 7. An upward elastic force is applied to the piston structure 7 through the third elastic element 401.
[0034] The upper end of the drill shaft 6 is fixedly installed with the piston structure 7. The piston structure 7 and the drill shaft 6 are driven to move up and down by changes in air pressure inside the cylindrical cavity 4; see reference. Figure 4 The main shaft 3 of this invention has a gas flow channel 301 inside. A top air nozzle 302 is fixedly installed at the end of the main shaft 3, and the top air nozzle 302 is connected to the inner cavity of the cylindrical cavity 4 through the gas flow channel 301. The internal air pressure of the cylindrical cavity 4 is controlled by the top air nozzle 302. The top air nozzle 302 and the main shaft 3 are an integral fixed structure, so the top air nozzle 302 rotates with the main shaft 3. When the external positive and negative pressure control device is connected to the top air nozzle 302, a dynamic sealing scheme in the prior art is adopted, such as achieving dynamic sealing through a sleeve and a multi-stage wear-resistant sealing ring, which will not be illustrated in this invention.
[0035] The drilling rig also includes a displacement monitoring structure, which can monitor the relative displacement between the drilling axis 6 and the spindle body 3. The displacement monitoring structure can be a laser rangefinder sensor installed on the spindle box 2 to measure the position of the drilling axis 6 in real time.
[0036] A friction locking assembly is provided below the spindle box 2. The friction locking assembly locks the spindle body 3 and the drilling axis 6 through friction. Initially, the interior of the cylindrical cavity 4 is under negative pressure. When the displacement monitoring structure detects that the drilling axis 6 moves upward relative to the spindle body 3, the friction locking assembly unlocks.
[0037] The friction locking assembly includes a bracket sleeve 201 fixedly mounted on the outer surface of the spindle box 2, and a telescopic drive unit 202 fixedly mounted on the bracket sleeve 201. The telescopic drive unit 202 can be a cylinder or an electric telescopic mechanism based on electromagnetic principles. A toggle ring 203 is fixedly mounted on the telescopic shaft of the telescopic drive unit 202, and the telescopic drive unit 202 controls the lifting and lowering of the toggle ring 203.
[0038] The main shaft body 3 is fitted with a follower ring 204. The fixed ring 203 and the follower ring 204 are in a limiting engagement. The fixed ring 203 can drive the follower ring 204 to move up and down, while the follower ring 204 can rotate relative to the fixed ring 203. See details. Figure 7 As shown, bearings are provided on both the upper and lower sides of the fixed ring 203. The fixed ring 203 is in limited contact with the rotating ring 204 through the bearings, and the rotating ring 204 can rotate at high speed relative to the fixed ring 203.
[0039] A vertical rack 205 is fixedly installed on the lower surface of the rotating ring 204, and a stabilizing plate 206 is fixedly installed on the outside of the main shaft 3. The stabilizing plate 206 limits the vertical rack 205, so that the vertical rack 205 can only move up and down.
[0040] A set screw 207 is screwed onto the surface of the spindle body 3. An end gear 208 is fixedly installed at the end of the set screw 207. The end gear 208 meshes with the rack 205. When the rack 205 moves up and down, it drives the set screw 207 to move axially, so that the end of the set screw 207 can press against the outer surface of the drill shaft 6, thereby achieving relative locking between the spindle body 3 and the drill shaft 6.
[0041] In Example 2, based on Example 1, an impact cavity 601 is further provided inside the drill shaft 6 along its axial direction. A counterweight spindle 602 is provided in the impact cavity 601. A first elastic member 603, which is a spring, is provided below the counterweight spindle 602 to apply an upward elastic force to it. A strike seat 604 is provided at the top of the impact cavity 601.
[0042] The surface of the drill shaft 6 is provided with a wall groove 605, and a telescopic tongue 606 is inserted in the counterweight spindle 602. The end of the telescopic tongue 606 away from the counterweight spindle 602 is inserted in the wall groove 605 and does not protrude from the outer surface of the drill shaft 6, so as to avoid affecting the telescopic movement of the drill shaft 6.
[0043] The counterweight spindle 602 is provided with a second elastic element 607, which is a spring sheet. The second elastic element 607 applies elastic force to the telescopic tongue 606, so that the telescopic tongue 606 extends elastically from the counterweight spindle 602.
[0044] An auxiliary shaft 608 is fixedly mounted on the stabilizing plate 206, and an associated pry plate 609 is rotatably mounted on the outside of the auxiliary shaft 608; one end of the associated pry plate 609 is inserted into the wall groove 605 and cooperates with the telescopic tongue 606, such as... Figure 8 As shown, the ends of the telescopic tongue 606 and the associated pry bar 609 that cooperate with each other are provided with inclined guide slopes.
[0045] A frame groove 610 is formed through the surface of the connecting pry plate 609, and a connecting pivot 611 is inserted into the frame groove 610. The connecting pivot 611 is fixedly mounted on the vertical rack 205. The upward movement of the vertical rack 205 causes the connecting pry plate 609 to rotate around the auxiliary shaft 608, so that the connecting pry plate 609 pushes the telescopic tongue 606 downward and separates it.
[0046] Taking Example 1 as an example, such as Figure 7 and Figure 8 As shown, the present invention inputs compressed gas into the cylindrical cavity 4 through the top air nozzle 302, driving the piston structure 7 to move downward. When the piston structure 7 moves to the position, the telescopic drive unit 202 is controlled to extend downward, so that the fixed ring 203 drives the rotating ring 204 to move downward.
[0047] See Figure 8 Since the rotating ring 204 and the vertical rack 205 are a fixed structure, the rotating ring 204 will drive the vertical rack 205 to move downward, causing the end gear 208 and the set screw 207 to rotate. The set screw 207 moves towards the drilling shaft 6 through a helical engagement with the spindle body 3, so that the end face of the set screw 207 presses against the outer surface of the drilling shaft 6. The set screw 207 locks the spindle body 3 and the drilling shaft 6 relative to each other through the friction between the end face and the drilling shaft 6.
[0048] As can be seen from the above-described transmission structure, the magnitude of the extension driving force of the telescopic drive unit 202 is related to the magnitude of the extrusion force between the set screw 207 and the drill shaft 6, which in turn affects and controls the magnitude of the friction force, so that the drill shaft 6 will not slip relative to the spindle body 3 under the normal drilling feed pressure.
[0049] When the set screw 207 locks the drill shaft 6 and the spindle body 3 relative to each other, it controls the gas pressure in the cylindrical cavity 4 to switch from a positive pressure state to a negative pressure state and maintains a stable negative pressure value. The negative pressure applies an upward attraction to the piston structure 7. However, during normal operation, the drill shaft 6 and the spindle body 3 are locked relative to each other, so that the piston structure 7 is in the bottom position and remains unchanged.
[0050] During the drilling process, if the drill head 612 collides with the bottom of the workpiece or the fixture due to programming failure or manual operation error, the resulting thrust is greater than the locking friction between the spindle body 3 and the drill axis 6, causing the drill axis 6 to slide upward relative to the spindle body 3. Once the displacement monitoring structure detects that the drill axis 6 has slid upward relative to the spindle body 3, it will control the telescopic drive unit 202 to retract quickly.
[0051] During the retraction of the telescopic drive unit 202, the rotating ring 204 and the vertical rack 205 are driven upward, causing the end gear 208 and the set screw 207 to reverse. The set screw 207 no longer presses against the outer surface of the drill shaft 6. Under the negative pressure drive inside the cylindrical cavity 4 and the elastic pull of the third elastic member 401, the drill shaft 6 and the drill head 612 will quickly eject upward to avoid the impact, reducing the risk of drill bit breakage caused by excessive downward feed.
[0052] In the drilling of combined antennas, a significant amount of deep hole machining is involved. After deep hole machining, a rapid tool retraction action helps reduce the scraping of the drill bit's helical cutting edge on the machined hole wall, thereby effectively suppressing helical scratches and improving the surface finish of the hole wall. This invention eliminates the need for the Z-axis to drive the spindle box 2 to move upward rapidly for tool retraction. By actively controlling the upward ejection movement of the drill axis 6 relative to the spindle body 3, high-speed tool retraction can be achieved without generating significant acceleration and inertial impact on the machine tool's Z-axis system.
[0053] Specifically, by controlling the positive pressure inside the cylindrical cavity 4, the piston structure 7 and the drilling shaft 6 are driven to move downwards into position and locked by the set screw 207. After locking, the inside of the cylindrical cavity 4 enters a negative pressure state, and then drilling is performed. After drilling is completed, the lock at the set screw 207 is released. Under the drive of the negative pressure and the third elastic element 401, the piston structure 7 moves upwards rapidly, driving the drilling shaft 6 and the drill bit to move upwards rapidly to achieve tool retraction.
[0054] This invention addresses the situation where the drill bit is jammed by the workpiece, taking Example 2 as an example, and referring to... Figure 8The vertical rack 205 is moved upward by the telescopic drive unit 202. During the upward movement of the vertical rack 205, the set screw 207 is rotated by the end gear 208. The associated pry bar 609 is swung counterclockwise around the auxiliary shaft 608 by the associated pry bar 611. During the counterclockwise swing, the left end of the associated pry bar 609 pushes the telescopic tongue 606 downward, causing the counterweight spindle 602 to move downward and compress the first elastic member 603.
[0055] In the above process, the set screw 207 first separates from the surface of the drilling shaft 6, thus unlocking it. However, because the drill bit is jammed by the workpiece, the drilling shaft 6 cannot move upwards at this time. As the vertical rack 205 continues to move upwards in the latter half of its movement, the associated pry bar 609 swings to a certain angle, and the left end of the associated pry bar 609 moves away from above the telescopic tongue 606, releasing the counterweight spindle 602. Under the support of the first elastic element 603, the counterweight spindle 602 moves upwards and impacts the impact seat 604, applying an upward hammering force to the drilling shaft 6 to assist in escaping the jam. Compared with the method of forcibly lifting the machine tool through the Z-axis, this method can reduce the damage to the Z-axis lifting system. The specific reason why the machine tool is easily damaged by forcibly lifting it through the Z-axis is that the Z-axis drive system is designed to withstand downward drilling pressure, not upward pulling force. Directly lifting it will generate a reverse axial force far exceeding the rated load, which can easily cause pitting and wear of the thrust bearing in the spindle, potentially leading to permanent loss of spindle runout accuracy.
[0056] If the counterweight spindle 602 fails to break free after one hammer blow, the telescopic drive unit 202 can be controlled to extend and retract again, repeating the process. When the telescopic drive unit 202 extends and the vertical rack 205 moves down again, the associated pry plate 609 swings clockwise. Through the elastic inward retraction of the telescopic tongue 606, the end of the associated pry plate 609 returns to above the telescopic tongue 606. When the vertical rack 205 moves down, the above process is repeated, and an upward hammering force is applied to the drill shaft 6 again.
[0057] The structural design of Embodiment 2 of the present invention, when the drill bit is not jammed, achieves the structural function of Embodiment 1, as described above. Figure 8 When the vertical rack 205 moves upward, the set screw 207 first separates and unlocks from the surface of the drill shaft 6. If the drill bit is not stuck, the drill shaft 6 and the piston structure 7 will move upward under the negative pressure inside the cylindrical cavity 4. The associated pry plate 609 swings with the upward movement of the vertical rack 205. Before the associated pry plate 609 has time to move away from the telescopic tongue 606, the upward movement of the drill shaft 6 is kept unaffected by the continuous compression of the first elastic member 603. Before the first elastic member 603 is compressed to the limit position, the end of the associated pry plate 609 can swing away from the telescopic tongue 606.
[0058] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A drilling rig for combined antenna processing, comprising a machine body and a displacement monitoring structure, wherein a movable and controllable spindle box is disposed in the machine body, and a rotatable spindle body is disposed in the spindle box, characterized in that: The main shaft body has a cylindrical cavity and a limiting passage cavity inside; The limiting device is connected to the cylindrical cavity at the upper end and opened at the lower end; A drilling shaft is inserted inside the limiting cavity. The limiting cavity and the drilling shaft are limited by the cross-sectional shape, so that the spindle body can drive the drilling shaft to rotate and perform deep processing through the drilling shaft. The cylindrical cavity is equipped with a piston structure, and the upper end of the drilling shaft is fixedly installed with the piston structure. The piston structure and the drilling shaft are driven to move up and down by the change of air pressure inside the cylindrical cavity. A friction locking assembly is provided below the spindle box. The friction locking assembly locks the spindle body and the drilling spindle through friction. Initially, the inside of the cylindrical cavity is under negative pressure. When the displacement monitoring structure detects that the drilling spindle moves upward relative to the spindle body, the friction locking assembly unlocks. The friction locking assembly includes a bracket sleeve fixedly mounted on the outer surface of the spindle box, and a telescopic drive unit fixedly mounted on the bracket sleeve. A fixed ring is fixedly installed on the telescopic shaft of the telescopic drive unit, and the telescopic drive unit controls the lifting and lowering of the fixed ring. A follower ring is sleeved on the outside of the main shaft. The fixed ring and the follower ring are in a limiting fit. The fixed ring can drive the follower ring to move up and down, and the follower ring can rotate relative to the fixed ring. A vertical rack is fixedly installed on the lower surface of the rotating ring, and a stabilizing plate is fixedly installed on the outside of the spindle body. The stabilizing plate limits the vertical rack, so that the vertical rack can only move up and down. A set screw is screwed onto the surface of the spindle body, and an end gear is fixedly installed at the end of the set screw. The end gear meshes with the vertical rack. When the vertical rack moves up and down, it drives the set screw to move axially, so that the end of the set screw can press against the outer surface of the drilling shaft, thereby achieving relative locking between the spindle body and the drilling shaft.
2. The drilling rig equipment for processing combined antennas according to claim 1, characterized in that: The drill shaft has an impact cavity along its axial direction, and a counterweight spindle is provided in the impact cavity. Below the counterweight spindle, a first elastic element is provided to apply an upward elastic force to it. The impact chamber is provided with an impact seat at its top.
3. The drilling rig equipment for processing combined antennas according to claim 2, characterized in that: The surface of the drilling shaft is provided with a wall groove, and a telescopic tongue is inserted into the counterweight mandrel. The end of the telescopic tongue away from the counterweight mandrel is inserted into the wall groove and does not protrude from the outer surface of the drilling shaft.
4. The drilling rig equipment for processing combined antennas according to claim 3, characterized in that: The counterweight spindle is provided with a second elastic element inside, which applies elastic force to the telescopic tongue, causing the telescopic tongue to extend elastically from the counterweight spindle.
5. The drilling rig equipment for processing combined antennas according to claim 4, characterized in that: An additional shaft is fixedly installed on the stabilizing back plate, and an associated skid plate is rotatably installed on the outside of the additional shaft. One end of the associated skid is inserted into the wall groove and cooperates with the telescopic tongue.
6. The drilling rig equipment for processing combined antennas according to claim 5, characterized in that: A frame groove is formed through the surface of the associated skid plate, and an associated pivot is inserted into the frame groove. The associated pivot is fixedly mounted on the vertical rack.
7. The drilling rig equipment for processing combined antennas according to claim 6, characterized in that: The upward movement of the vertical rack causes the associated pry bar to rotate around the additional shaft, so that the associated pry bar pushes the telescopic tongue downward and separates it.
Citation Information
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CN106735419A
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