A reserved hole opening device for prefabricated concrete components

Abstract

The cam is adapted to move the first and second guide rails relative to each other to move the first and second guide rails relative to each other, and the cam is adapted to move the first and second guide rails relative to each other to move the cam.

Description

Technical Field

[0001] The invention relates to the technical field of concrete prefabricated component processing, in particular to a pre-hole drilling device for concrete prefabricated components. Background Art

[0002] Precast concrete components are building components made in a factory using concrete as the basic material. Holes need to be drilled on the surface of precast concrete components to facilitate their subsequent installation and fixation. These holes need to be drilled using a drilling device. A drilling device is a general term for machinery and equipment that uses a tool that is harder and sharper than the target object to leave a cylindrical hole or cavity in the target object through rotary cutting or rotary extrusion. This article provides technical inspiration for drilling devices.

[0003] The following problems were found in the research of the opening device:

[0004] Since precast concrete components are usually heavy and require multiple holes to be drilled at the top, the drilling device can only drill holes in the precast concrete components and cannot assist the precast concrete components in quickly sliding to the top of the drilling device to drill holes, nor can it increase the stability of the holes in the precast concrete components while drilling holes.

[0005] Currently, CN108412421A discloses a drilling and hammering machine for building concrete blocks. This invention can solve the problems of existing concrete block separation, such as high labor intensity, manual drilling of concrete blocks, difficulty in cleaning debris from drilling holes in concrete blocks, manual cleaning of drill rods, and manual hammering of concrete blocks. It can realize the function of automatically drilling and hammering concrete blocks.

[0006] The present invention can mainly solve the problem that it is impossible to increase the stability of the opening of a concrete prefabricated component while sliding the opening. Summary of the Invention

[0007] In order to solve the above technical problems, the present invention provides a pre-hole drilling device for precast concrete components to solve the problems described in the above background technology.

[0008] The purpose and efficacy of the pre-hole drilling device for concrete precast components of the present invention are achieved by the following specific technical means: a pre-hole drilling device for concrete precast components, comprising a drilling machine, a drilling head is rotatably provided at the upper end of the drilling machine, a base is installed at the lower end of the drilling machine, a tightening assembly is provided at the upper end of the base, the tightening assembly includes lining plates, and the lining plates are located on both sides of the upper end of the base.

[0009] Furthermore, a motor is provided inside the drilling machine, which is connected to the power circuit through a power cord. The drilling head is rotated 360 degrees at the upper end of the drilling machine through the motor, and the drilling head is located above the lining plate.

[0010] Furthermore, bearings are rotated on both sides of the base, and a conveyor belt is rotated on the outside of the bearings. Lining plates are located on both sides above the conveyor belt, and tracks are opened on the inner sides of the lining plates.

[0011] Furthermore, the conveyor belt passes through the inner side of the base, and the conveyor belt and the drilling head are arranged vertically corresponding to each other. The conveyor belt rotates 360 degrees on the inner side of the base through the bearing.

[0012] Furthermore, the clamping assembly includes a baffle, a clamping plate, a first protrusion, a second protrusion, a push rod, a telescopic rod, an extension rod, a sleeve and a rotating ball. The baffle slides on the inner side of the lining plate, the clamping plate slides at the lower end of the baffle away from the lining plate, the first protrusion and the second protrusion are slidably nested in the lower end of the clamping plate, the push rod slides between the first protrusion and the second protrusion, the telescopic rod is slidably nested in the upper end of the clamping plate, the sleeve is provided on the side of the clamping plate close to the baffle, the extension rod is slidably nested in one end of the clamping plate, and the rotating ball is hinged to the end of the extension rod away from the sleeve.

[0013] Furthermore, the baffle slides laterally inside the track of the lining plate, and the baffle extends to the side of the upper end of the conveyor belt. A groove is provided on the inner side of the baffle, and the rotating ball and the telescopic rod slide laterally inside the groove.

[0014] Furthermore, the lower end of the pressing plate is trapezoidal in shape, and the pressing plate slides vertically on the lower end of the baffle through the telescopic rod. The interior of the pressing plate is hollow, and the push rod is located inside the pressing plate.

[0015] Furthermore, the first and second bumps are matched in 2-3 groups, the push rod is arranged in a semicircular shape, the push rod is located at the upper end of the first and second bumps, and each group of the first and second bumps are arranged in an alternating manner.

[0016] Furthermore, the telescopic rod is provided in two sections, the telescopic rods are nested in a vertical sliding manner, and the weight of one end of the telescopic rod close to the abutting plate is greater than 200g.

[0017] Furthermore, the sleeve and the extension rod are arranged at an inclination of 15-35 degrees, and the extension rod and the sleeve are swung vertically by the rotating ball, and the rotating ball is slidably nested in the groove of the inner wall of the baffle.

[0018] Furthermore, an inclined plate is embedded in one end of the inner wall of the conveyor belt, a bracket is provided at the lower end of the base near the conveyor belt, a fixed plate is installed inside the base near the conveyor belt, a set frame is slidably nested on the outer side of the fixed plate, spring pieces are embedded on both sides of the set frame, slides are slidably provided at both ends of the set frame, and a through shaft passes through the side of the set frame close to the slide.

[0019] Furthermore, the inclined plate and the slide plate are horizontally slidably pressed together, and both the inclined plate and the slide plate are inclined at 5-15 degrees. When the conveyor belt moves, the inclined plate moves synchronously.

[0020] Furthermore, the bracket is arranged in a concave shape, and both sides of the bracket extend to both sides of the lower end of the conveyor belt.

[0021] Furthermore, the fixing plate is installed on the inner wall of the base, the set frame is located inside the conveyor belt, the set frame and the fixing plate slide laterally, and the length of the fixing plate is 3-5 cm shorter than the length of the set frame.

[0022] Furthermore, the spring pieces are arranged at an inclination of 15-25 degrees, and are arranged in groups of two. Each group of spring pieces is arranged in a horizontal "eight" shape, and the end of the spring piece away from the set frame is less than 3 cm away from the outer side of the bearing.

[0023] Furthermore, tracks are provided at both ends of the set frame, and the skateboard slides horizontally inside the track. The through shaft passes through the end of the track away from the skateboard. The track length is 3-5 cm. A groove is provided at one end of the skateboard, and the groove is slidably nested and docked with the through shaft. The skateboard and the through shaft are matched at both ends of the set frame.

[0024] Beneficial effects:

[0025] 1. The precast concrete component is conveyed to the lower end of the clamping plate by the conveyor belt. Since the lower end of the clamping plate is trapezoidally arranged, the upper end of the precast concrete component is conveniently squeezed to the lower end of the clamping plate. At this time, the clamping plate slides upward due to the height of the precast concrete component being higher than the lower end of the baffle. When the baffle slides upward, it is squeezed to the lower end of the telescopic rod. Since the weight of one end of the telescopic rod close to the clamping plate is greater than 200g, after the telescopic rod slides upward due to the squeezing of the clamping plate, the telescopic rod itself can assist the clamping plate to slide downward again, thereby assisting the clamping plate to form a second clamping against the precast concrete component. The clamping plate forms a clamping against both sides of the upper end of the precast concrete component. At the same time, when the precast concrete component slides on the upper end of the conveyor belt, the baffle slides synchronously with the inner side of the lining plate, which can facilitate the sliding drilling of the precast concrete component while increasing the stability of the precast concrete component during drilling, and is convenient for gradually drilling holes at different positions on the upper end of the precast concrete component.

[0026] 2. When the abutment plate slides upward, the sleeve on one side of the abutment plate and the extension rod are inclined and slidably nested. At this time, the sleeve and the extension rod are contracted and nested. At the same time, one end of the sleeve can form an auxiliary support for the abutment plate. The sleeve and the telescopic rod can form support for the outer side of the abutment plate.

[0027] 3. When the conveyor belt slides horizontally, the inclined plate on the inner side of the conveyor belt slides synchronously, and the inclined surface of the inclined plate is pressed against the inclined surface of the slide plate at the upper end of the set frame. The slide plate slides inside the set frame. At this time, the set frame slides synchronously with the outer side of the fixed plate. The set frame can assist the spring piece to slide toward one side of the bearing. Since the end of the spring piece away from the set frame is less than 3 cm away from the outer side of the bearing, and the length of the fixed plate is 3-5 cm less than the length of the set frame, the lateral sliding distance of the set frame is 3-5 cm. Therefore, when the set frame slides horizontally, it can assist the spring piece to fit the outer side of the bearing, so that the spring piece can fit and scrape the outer side of the bearing and the inner side of the conveyor belt close to the bearing, thereby preventing concrete particles from splashing to the outer side of the bearing after the hole is opened, and concrete particles from accumulating between the bearing and the conveyor belt, affecting the normal use of the bearing and the conveyor belt;

[0028] 4. Since the interior of the set frame is penetrated by a fixed plate, the set frame and the fixed plate are in a stationary state after the set frame slides 3-5 cm. At this time, the slide slides on one end of the set frame. When the slide slides to the outside of the through-axis, the slide swings at an angle with the through-axis as the fulcrum. After the slide swings obliquely, the inclined plate can no longer be squeezed to the inclined surface of the slide, and the inclined plate moves from the upper end of the conveyor belt to the lower end of the conveyor belt.

[0029] 5. The slide plates are at both ends of the set frame, so the inclined plate squeezes the slide plate at the lower end of the set frame again, and the slide plate slides in the opposite direction inside the set frame. At this time, the set frame slides synchronously with the outer side of the fixed plate. The set frame can assist the spring piece to slide to the other side of the bearing, so that the set frame can slide left and right inside the conveyor belt. During the left and right sliding process of the set frame, the spring pieces on both sides of the set frame form a fit and scrape against the outer side of the bearing and the inner side of the conveyor belt close to the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0031] Figure 2 Schematic diagram of the cross-sectional structure of the baffle of the present invention.

[0032] Figure 3 This is a schematic diagram of the bottom structure of the abutting plate of the present invention.

[0033] Figure 4 Schematic diagram of the push rod assembly of the present invention.

[0034] Figure 5 This is a schematic diagram of the conveyor belt structure of the present invention.

[0035] Figure 6 This is a schematic diagram of the cross-sectional structure of the conveyor belt of the present invention.

[0036] Figure 7 It is a schematic structural diagram of the set frame assembly of the present invention.

[0037] Figure 8 It is a schematic diagram of the slide plate and the through shaft of the present invention.

[0038] Figure 1-8 , the corresponding relationship between component names and figure numbers is as follows:

[0039] 1-drilling machine, 101-drilling head, 102-base, 2-liner, 201-baffle, 202-tightening plate, 203-first bump, 204-second bump, 205-push rod, 3-telescopic rod, 301-extension rod, 302-sleeve, 303-rotating sphere, 4-conveyor belt, 401-bearing, 402-bracket, 403-inclined plate, 5-set frame, 501-fixed plate, 502-shrapnel, 503-slide plate, 504-through shaft. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0041] As attached Figure 1 To the attached Figure 8 As shown:

[0042] Example 1: A device for drilling pre-drilled holes for precast concrete components, comprising a drilling machine 1, a drilling head 101 being rotatably mounted on the upper end of the drilling machine 1, a base 102 being mounted on the lower end of the drilling machine 1, a tightening assembly being provided on the upper end of the base 102, the tightening assembly comprising lining plates 2, which are located on both sides of the upper end of the base 102;

[0043] Among them: a drilling machine 1 and a drilling head 101, a motor is provided inside the drilling machine 1, the motor is connected to the power circuit through a power line, the drilling head 101 is rotated 360 degrees at the upper end of the drilling machine 1 by the motor, and the drilling head 101 is above the liner 2;

[0044] The base 102 has bearings 401 rotating on both sides of the base 102, and a conveyor belt 4 rotating on the outside of the bearing 401. The liner 2 is located on both sides above the conveyor belt 4, and a track is opened on the inner side of the liner 2;

[0045] The conveyor belt 4 and the bearing 401 are provided. The conveyor belt 4 passes through the inner side of the base 102. The conveyor belt 4 and the drilling head 101 are arranged vertically. The conveyor belt 4 rotates 360 degrees on the inner side of the base 102 through the bearing 401.

[0046] The precast concrete component is manually placed on the upper end of the conveyor belt 4, and the upper end of the precast concrete component is pushed, so that the lower end of the precast concrete component rubs against the upper end of the conveyor belt 4. The conveyor belt 4 moves on the upper end of the base 102 through the bearing 401, so that the precast concrete component can be quickly moved to the lower end of the drilling head 101. The drilling head 101 is rotated 360 degrees at the upper end of the drilling machine 1 by the motor, and the drilling head 101 forms a hole in the precast concrete component.

[0047] Example 2: Refer to the attached manual Figure 1-4 It can be seen that the difference between Example 2 and Example 1 is that the tightening assembly includes a baffle 201, a tightening plate 202, a first protrusion 203, a second protrusion 204, a push rod 205, a telescopic rod 3, an extension rod 301, a sleeve 302 and a rotating ball 303, the baffle 201 slides on the inner side of the lining plate 2, the tightening plate 202 slides at the lower end of the baffle 201 away from the lining plate 2, the first protrusion 203 and the second protrusion 204 are slidably nested in the lower end of the tightening plate 202, the push rod 205 slides between the first protrusion 203 and the second protrusion 204, the telescopic rod 3 is slidably nested in the upper end of the tightening plate 202, the sleeve 302 is provided on the side of the tightening plate 202 close to the baffle 201, the extension rod 301 is slidably nested in one end of the tightening plate 202, and the rotating ball 303 is hinged to the end of the extension rod 301 away from the sleeve 302;

[0048] Wherein: the baffle 201, the baffle 201 slides laterally inside the track of the liner 2, the baffle 201 extends to the side of the upper end of the conveyor belt 4, the inner side of the baffle 201 is provided with a groove, the rotating ball 303 and the telescopic rod 3 slide laterally inside the groove;

[0049] A groove is provided on the inner side of the baffle 201, and the rotating ball 303 and the telescopic rod 3 slide laterally inside the groove, so that when the abutting plate 202 slides laterally, the rotating ball 303 and the telescopic rod 3 slide synchronously;

[0050] The lower end of the pressing plate 202 is trapezoidal in shape. The pressing plate 202 slides vertically on the lower end of the baffle 201 through the telescopic rod 3. The interior of the pressing plate 202 is hollow, and the push rod 205 is located inside the pressing plate 202.

[0051] The lower end of the pressing plate 202 is arranged in a trapezoidal shape, so that when the precast concrete component moves through the conveyor belt 4, the upper end of the precast concrete component is squeezed to the lower end of the pressing plate 202;

[0052] The first protrusions 203 and the second protrusions 204 are matched and arranged in 2-3 groups. The push rods 205 are arranged in a semicircular shape. The push rods 205 are located at the upper ends of the first protrusions 203 and the second protrusions 204. The first protrusions 203 and the second protrusions 204 of each group are arranged in a staggered manner.

[0053] The push rod 205 is arranged in a semicircular ring shape. When the precast concrete component is squeezed to the lower end of the first protrusion 203, the first protrusion 203 drives the push rod 205 to slide upward. Due to the shape of the push rod 205, the second protrusion 204 at the other end of the push rod 205 slides downward. At this time, the second protrusion 204 can increase the friction between the pressing plate 202 and the precast concrete component.

[0054] Each group of first protrusions 203 and second protrusions 204 are arranged in a staggered manner, so that the first protrusions 203 and second protrusions 204 can be pressed against the upper end of the precast concrete component in a staggered manner.

[0055] The telescopic rod 3 is provided in two sections, and the telescopic rod 3 is vertically slidably nested. The weight of the end of the telescopic rod 3 close to the clamping plate 202 is greater than 200g;

[0056] The weight of the end of the telescopic rod 3 close to the pressing plate 202 is greater than 200g. After the telescopic rod 3 slides upward due to the pressure of the pressing plate 202, the telescopic rod 3 can assist the pressing plate 202 to slide downward again by its own weight, thereby assisting the pressing plate 202 to tighten the precast concrete component again.

[0057] The sleeve 302 and the extension rod 301 are arranged at an angle of 15-35 degrees. The extension rod 301 and the sleeve 302 are vertically tilted and swung by the rotating ball 303. The rotating ball 303 is slidably nested in the groove of the inner wall of the baffle 201.

[0058] When the pressing plate 202 is at the lower end of the lining plate 2, the sleeve 302 and the extension rod 301 are arranged at an angle of 15-35 degrees. Figure 2 As shown;

[0059] When the abutting plate 202 slides upward, the sleeve 302 on one side of the abutting plate 202 and the extension rod 301 are inclined and slidably nested. At this time, the sleeve 302 and the extension rod 301 are contracted and nested. At the same time, one end of the sleeve 302 can form an auxiliary support for the abutting plate 202. The sleeve 302 and the telescopic rod 3 can form support for the outer side of the abutting plate 202.

[0060] Among them: the concrete prefabricated component is transported to the lower end of the clamping plate 202 by the conveyor belt 4. Since the lower end of the clamping plate 202 is set in a trapezoidal shape, it is convenient for the upper end of the concrete prefabricated component to be squeezed to the lower end of the clamping plate 202. At this time, the clamping plate 202 slides upward due to the height of the concrete prefabricated component being higher than the lower end of the baffle 201. When the baffle 201 slides upward, it is squeezed to the lower end of the telescopic rod 3. Since the weight of one end of the telescopic rod 3 close to the clamping plate 202 is greater than 200g, the telescopic rod 3 slides upward due to the squeezing of the clamping plate 202. The weight of the telescopic rod 3 can assist the pressing plate 202 to slide downward again, thereby assisting the pressing plate 202 to press against the precast concrete component again. The pressing plate 202 presses against both sides of the upper end of the precast concrete component. At the same time, when the precast concrete component slides on the upper end of the conveyor belt 4, the baffle 201 slides synchronously with the inner side of the lining plate 2, which can facilitate the sliding drilling of the precast concrete component and increase the stability of the precast concrete component during drilling, making it convenient to gradually drill holes at different positions on the upper end of the precast concrete component.

[0061] At the same time, when the abutting plate 202 slides upward, the sleeve 302 on one side of the abutting plate 202 and the extension rod 301 are inclined and slidably nested. At this time, the sleeve 302 and the extension rod 301 are contracted and nested. At the same time, one end of the sleeve 302 can form an auxiliary support for the abutting plate 202. The sleeve 302 and the telescopic rod 3 can form a support for the outer side of the abutting plate 202.

[0062] Example 3: Refer to the attached manual Figure 5-8 It can be seen that the difference between Example 3 and Examples 1 and 2 is that an inclined plate 403 is inlaid at one end of the inner wall of the conveyor belt 4, a bracket 402 is provided at the lower end of the base 102 near the conveyor belt 4, a fixed plate 501 is installed inside the base 102 near the conveyor belt 4, a set frame 5 is slidably nested on the outer side of the fixed plate 501, and springs 502 are inlaid on both sides of the set frame 5. Slide plates 503 are slidably provided at both ends of the set frame 5, and a through shaft 504 penetrates the side of the set frame 5 near the slide plate 503;

[0063] Among them: the inclined plate 403, the inclined plate 403 and the slide plate 503 are horizontally slid and squeezed together, and the inclined plate 403 and the slide plate 503 are both inclined at 5-15 degrees. When the conveyor belt 4 moves, the inclined plate 403 moves synchronously;

[0064] The bracket 402 is concave, and both sides of the bracket 402 extend to both sides of the lower end of the conveyor belt 4. The bracket 402 is convenient for collecting concrete particles;

[0065] The set frame 5 and the fixed plate 501 are installed on the inner wall of the base 102. The set frame 5 is inside the conveyor belt 4. The set frame 5 and the fixed plate 501 slide horizontally. The length of the fixed plate 501 is 3-5 cm shorter than the length of the set frame 5.

[0066] The set frame 5 and the fixed plate 501 slide horizontally. The length of the fixed plate 501 is 3-5 cm shorter than the length of the set frame 5, which facilitates the set frame 5 to slide horizontally inside the conveyor belt 4. At the same time, the set frame 5 can drive the spring piece 502 to slide synchronously.

[0067] The spring pieces 502 are arranged at an angle of 15-25 degrees, and are arranged in groups of two. Each group of spring pieces 502 is arranged in a horizontal "eight" shape. The end of the spring piece 502 away from the set frame 5 is less than 3 cm away from the outer side of the bearing 401;

[0068] The thickness of the spring piece 502 is 0.1-0.3 cm, which facilitates the spring piece 502 to quickly scrape the outer side of the bearing 401 and the conveyor belt 4;

[0069] The end of the spring piece 502 away from the mounting frame 5 is spaced less than 3 cm from the outer side of the bearing 401. Since the length of the fixing plate 501 is 3-5 cm shorter than the length of the mounting frame 5, the mounting frame 5 can slide laterally for 3-5 cm. This helps the spring piece 502 adhere to the outer side of the bearing 401 when the mounting frame 5 slides laterally.

[0070] The slide 503 and the through-shaft 504 are provided with tracks at both ends of the set frame 5. The slide 503 slides horizontally inside the track. The through-shaft 504 passes through the end of the track away from the slide 503. The track length is 3-5 cm. A groove is provided at one end of the slide 503. The groove is slidably nested with the through-shaft 504. The slide 503 and the through-shaft 504 are matched and arranged at both ends of the set frame 5.

[0071] When the inclined plate 403 slides laterally, the inclined surface of the inclined plate 403 presses against the inclined surface of the slide plate 503, and the slide plate 503 slides inside the set frame 5. At this time, the set frame 5 slides synchronously with the outer side of the fixed plate 501. Since the fixed plate 501 penetrates the inner side of the set frame 5, the set frame 5 and the fixed plate 501 are in a stationary state after sliding 3-5 cm. At this time, the slide plate 503 slides on one end of the set frame 5. When the slide plate 503 slides to the outer side of the through-axis 504, the slide plate 503 swings at an angle with the through-axis 504 as the fulcrum. After the slide plate 503 tilts and swings, the inclined plate 403 can no longer press against the inclined surface of the slide plate 503.

[0072] When the slide plate 503 slides to the outside of the through shaft 504, the slide plate 503 swings at an angle with the through shaft 504 as the fulcrum. Figure 8 As shown;

[0073] 501 , so that the outer side of the bearing 401 is not affected by the deformation of the bearing 401.

[0074] Since the interior of the set frame 5 is penetrated by the fixed plate 501, the set frame 5 and the fixed plate 501 are in a stationary state after sliding 3-5 cm. At this time, the slide plate 503 slides on one end of the set frame 5. When the slide plate 503 slides to the outside of the through-axis 504, the slide plate 503 swings at an angle with the through-axis 504 as the fulcrum. After the slide plate 503 tilts and swings, the inclined plate 403 can no longer be pressed against the inclined surface of the slide plate 503. The inclined plate 403 moves from the upper end of the conveyor belt 4 to the lower end of the conveyor belt 4.

[0075] The slide plates 503 are at both ends of the set frame 5, so the inclined plate 403 squeezes the slide plate 503 at the lower end of the set frame 5 again, and the slide plate 503 slides in the opposite direction inside the set frame 5. At this time, the set frame 5 slides synchronously with the outer side of the fixed plate 501, and the set frame 5 can assist the spring piece 502 to slide to the other side of the bearing 401, so that the set frame 5 can slide left and right inside the conveyor belt 4. During the left and right sliding process of the set frame 5, the spring pieces 502 on both sides of the set frame 5 form a fit and scrape against the outer side of the bearing 401 and the inner side of the conveyor belt 4 close to the bearing 401.

Claims

1. A device for drilling a reserved hole for a precast concrete component, comprising a drilling machine (1), characterized in that: The upper end of the drilling machine (1) is provided with a rotating drilling head (101), the lower end of the drilling machine (1) is provided with a base (102), the upper end of the base (102) is provided with a tightening assembly, the tightening assembly includes a lining plate (2), and the lining plate (2) is located on both sides of the upper end of the base (102); The drilling machine (1) is provided with a motor inside, and the motor is connected to the power circuit via a power line. The drilling head (101) is rotated 360 degrees at the upper end of the drilling machine (1) by the motor, and the drilling head (101) is located above the lining plate (2); A base (102), bearings (401) are rotatable on both sides of the base (102), a conveyor belt (4) is rotatable on the outside of the bearing (401), a liner (2) is located on both sides above the conveyor belt (4), and a track is opened on the inside of the liner (2); A conveying belt (4) and a bearing (401), wherein the conveying belt (4) passes through the inner side of the base (102), the conveying belt (4) and the drilling head (101) are arranged vertically corresponding to each other, and the conveying belt (4) rotates 360 degrees on the inner side of the base (102) through the bearing (401); The abutting assembly comprises a baffle (201), a abutting plate (202), a first protrusion (203), a second protrusion (204), a push rod (205), a telescopic rod (3), an extension rod (301), a sleeve (302) and a rotating sphere (303); the baffle (201) slides on the inner side of the lining plate (2); the abutting plate (202) slides on the lower end of the baffle (201) away from the lining plate (2); the first protrusion (203) and the second protrusion (204) slide and nest in the abutting plate (202). ), the push rod (205) slides between the first protrusion (203) and the second protrusion (204), the telescopic rod (3) slides and nests in the upper end of the clamping plate (202), the sleeve (302) is provided on the side of the clamping plate (202) close to the baffle (201), the extension rod (301) slides and nests in one end of the clamping plate (202), the rotating ball (303) is hinged to the end of the extension rod (301) away from the sleeve (302), and the baffle (201) is formed inside the track of the lining plate (2). The baffle (201) slides horizontally, and extends to the side of the upper end of the conveyor belt (4). A groove is provided on the inner side of the baffle (201). The rotating ball (303) and the telescopic rod (3) slide horizontally inside the groove. One end of the inner wall of the conveyor belt (4) is inlaid with an inclined plate (403). The base (102) is provided with a bracket (402) near the lower end of the conveyor belt (4). A fixing plate (501) is installed inside the base (102) near the conveyor belt (4). The fixing plate (501) ) is slidably nested on the outer side of the set frame (5), and shrapnel (502) is embedded on both sides of the set frame (5), and slide plates (503) are slidably provided at both ends of the set frame (5), and a through shaft (504) is passed through the side of the set frame (5) close to the slide plate (503), and the inclined plate (403) and the slide plate (503) are horizontally slidably pressed together, and both the inclined plate (403) and the slide plate (503) are inclined at 5-15 degrees. When the conveyor belt (4) moves, the inclined plate (403) moves synchronously; The bracket (402) is arranged in a concave shape, and both sides of the bracket (402) extend to both sides of the lower end of the conveyor belt (4); The spring pieces (502) are arranged at an angle of 15-25 degrees, and two spring pieces (502) are arranged in a group. Each group of spring pieces (502) is arranged in a horizontal "eight" shape. The end of the spring piece (502) away from the set frame (5) is spaced less than 3 cm from the outer side of the bearing (401); The slide plate (503) and the through shaft (504) are provided with tracks at both ends of the set frame (5), the slide plate (503) slides laterally inside the track, the through shaft (504) penetrates the track at one end away from the slide plate (503), the track length is 3-5 cm, one end of the slide plate (503) is provided with a groove, the groove and the through shaft (504) are slidably nested and docked, and the slide plate (503) and the through shaft (504) are matched and arranged at both ends of the set frame (5).

2. The pre-hole drilling device for precast concrete components according to claim 1, characterized in that: The lower end of the pressing plate (202) is arranged in a trapezoidal shape. The pressing plate (202) slides vertically on the lower end of the baffle (201) via the telescopic rod (3). The interior of the pressing plate (202) is arranged in a hollow shape. The push rod (205) is located inside the pressing plate (202). The first protrusion (203) and the second protrusion (204) are matched and arranged in 2-3 groups. The push rod (205) is arranged in a semicircular ring shape. The push rod (205) is located at the upper end of the first protrusion (203) and the second protrusion (204). The first protrusion (203) and the second protrusion (204) of each group are arranged in a staggered manner.

3. The pre-hole drilling device for precast concrete components according to claim 1, characterized in that: The telescopic rod (3) is provided in a two-section set configuration, the telescopic rod (3) is vertically slidably nested, and the weight of one end of the telescopic rod (3) close to the abutting plate (202) is greater than 200g; The sleeve (302) and the extension rod (301) are arranged to be inclined at 15-35 degrees. The extension rod (301) and the sleeve (302) are swung vertically by the rotating sphere (303). The rotating sphere (303) is slidably nested in the groove of the inner wall of the baffle (201).

4. The pre-hole drilling device for precast concrete components according to claim 1, characterized in that: The fixing plate (501) is mounted on the inner wall of the base (102), the set frame (5) is located inside the conveyor belt (4), the set frame (5) and the fixing plate (501) slide laterally, and the length of the fixing plate (501) is 3-5 cm shorter than the length of the set frame (5).

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