A locking type advanced small catheter positioning device
By using a locking-type advanced small guide tube positioning device, which is fixed on the I-beam using guide tubes and limiting components, the problem of large angle control error of the advanced small guide tube is solved, achieving precise positioning and good fixing effect, and simplifying the installation process.
Patent Information
- Application Number
- CN202520154804.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing technologies, the angle control error of the pre-insertion small guide tube is large and the positioning is inaccurate, which affects the subsequent surrounding rock reinforcement effect.
A locking-type advanced small guide tube positioning device is adopted, including a baffle, a guide tube and a limiting component. It is fixed to the I-beam through the guide tube, and the limiting component is slidably connected along the guide tube. It is fixed to the I-beam by locking ring and locking rod, which enhances the angle control and fixing effect.
It enables precise positioning and fixation of the advanced small guide tube, improves the accuracy of angle control and fixation reliability during drilling, and simplifies the installation and disassembly process.
Smart Images

Figure CN223608541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel construction technical field especially relates to a lock catch formula advanced small catheter positioning device. BACKGROUND
[0002] In the tunnel engineering excavation construction process needs to use advanced small catheter, through the advanced small catheter grouting method to the short self-stability time weak broken zone, shallow section, hole mouth bias section, sand section, sand pebble section, fault broken zone etc. Section carries out pre-supporting. And advanced small catheter is in the process of driving, needs to predrill on the I -beam of the steel arch that is erected in advance, then utilizes the wind drill to drill in the hole of the steel arch, finally utilizes the air gun to top into the hole of driving, because the angle control of advanced small catheter has strict requirement, and the worker directly puts in after using the wind drill to drill in the process of drilling, and the error of setting method is big, and the positioning is not accurate, thereby having great influence on the subsequent reinforcement surrounding rock. SUMMARY
[0003] The utility model discloses a purpose is to overcome the defect and problem of the positioning effect of prior art, provide a kind of positioning effect good lock catch formula advanced small catheter positioning device.
[0004] To achieve the above object, the technical solution of the utility model is: a kind of lock catch formula advanced small catheter positioning device, including baffle, guide pipe, limiting component, the baffle is abutted to the one side of I -beam wing plate, one end of the guide pipe passes through the reserved hole of I -beam web and is arranged relative to face, the other end of the guide pipe passes through the baffle and is located the one side of the baffle, the limiting component is slidably connected in the axial direction of the guide pipe in the guide pipe, the limiting component is abutted to the other side of I -beam wing plate.
[0005] The limiting component includes lock ring and lock rod, the lock ring is sleeved on the outer surface of the guide pipe, one end of the lock rod is connected to the outer surface of the lock ring, the other end of the lock rod is connected with the fixing component for fixing the lock rod after passing through the baffle, the outer side of the lock rod is abutted to the other side of I -beam wing plate.
[0006] The lock rod includes connecting rod and support rod, the upper end of the connecting rod is connected to the outer surface of the lock ring, the outer side of the connecting rod is abutted to the other side of I -beam wing plate, one end of the support rod is connected to the lower end of the connecting rod, the other end of the support rod is connected with the fixing component after passing through the baffle.
[0007] The fixing component includes nut, the lower side of the baffle is provided with clamping slot for support rod, the outer surface of the other end of the support rod is provided with external thread, the nut is threadedly connected to the other end of the support rod and is abutted to the one side of the baffle.
[0008] A gasket is connected between the nut and the baffle.
[0009] The connecting rod is vertically connected to the outer circumferential surface of the lock ring along the radial direction of the lock rod, and the supporting rod is vertically connected to the connecting rod.
[0010] The end surface of the lock ring close to the baffle is parallel to one side of the baffle, and the other end surface of the lock ring is arranged obliquely.
[0011] The baffle is connected to a plurality of hanging teeth on one side close to the I-beam, and the hanging teeth abut against the outer side of the I-beam flange.
[0012] The plurality of hanging teeth are symmetrically arranged on the left and right sides of the guide pipe.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. In the lock catch type advanced small guide pipe positioning device, the guide pipe is inserted into the reserved hole of the I-beam, so that the air drill can work directly in the guide pipe, and the guide pipe is connected and fixed with the I-beam through the baffle, so that the angle and height of the guide pipe are fixed when drilling, the angle of the advanced small guide pipe can be controlled, the positioning effect is good, the limiting assembly can slide on the guide pipe, so that the baffle and the limiting assembly can be directly connected and fixed with the I-beam, and the fixing effect is good. Therefore, the utility model has good positioning effect and fixing effect.
[0015] 2. In the lock catch type advanced small guide pipe positioning device, the limiting assembly adopts the connecting structure of the lock ring and the lock rod, the lock ring is sleeved on the guide pipe and can slide along the axis of the guide pipe, is convenient to install and disassemble, and can adjust the position of the lock rod according to the specific size of the I-beam; the lock rod adopts the structure of the connecting rod and the supporting rod, the connecting rod is connected with the lock ring and can contact the I-beam, and the supporting rod is connected and fixed with the baffle through the nut, so that the fixing effect is good. Therefore, the utility model has the advantages of simple structure, convenient installation and disassembly and good fixing effect.
[0016] 3. In the lock catch type advanced small guide pipe positioning device, the hanging teeth are arranged, the contact area of the baffle and the I-beam can be further increased, and the fixing effect is good; since the guide pipe is arranged obliquely, the lock ring slides obliquely on the guide pipe, the connecting rod is vertically connected with the lock ring, and the supporting rod is arranged perpendicularly to the connecting rod, so that the supporting rod always keeps a horizontal state and the connecting rod always keeps a vertical state when the lock ring slides, the connecting rod contacts the I-beam more smoothly, and the supporting rod is more tightly connected with the baffle. Therefore, the utility model has the advantages of high reliability and good fixing effect. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a side view schematic diagram of the utility model.
[0018] Figure 2 is a sectional view schematic diagram of the utility model.
[0019] Figure 3 is a front view schematic diagram of the utility model.
[0020] Figure 4 is a top view schematic diagram of the utility model.
[0021] In the drawing: I-shaped steel 1, wing plate 11, web 12, reserved hole 13, baffle 2, clamping groove 21, guide pipe 3, limiting assembly 4, lock ring 41, lock rod 42, connecting rod 421, support rod 422, fixing assembly 5, nut 51, gasket 52, hanging tooth 6. Specific implementation
[0022] The utility model is further explained in detail in the following combining with the description and specific implementation of the drawings.
[0023] Example 1:
[0024] Referring to Figures 1 to 4 A lock catch type advanced small catheter positioning device, including baffle 2, guide pipe 3, limiting assembly 4, the baffle 2 is abutted to the one side of the wing plate 11 of I-shaped steel 1, one end of the guide pipe 3 is passed through the reserved hole 13 of the web 12 of I-shaped steel 1 after being arranged relative to the working face, the other end of the guide pipe 3 is located at the one side of the baffle 2 after being passed through the baffle 2, the limiting assembly 4 is slidably connected to the guide pipe 3 along the axial direction of the guide pipe 3, the limiting assembly 4 is abutted to the other side of the wing plate 11 of I-shaped steel 1, the baffle 2 is connected with multiple hanging teeth 6 close to the one side of I-shaped steel 1, the hanging tooth 6 is abutted to the outside of the wing plate 11 of I-shaped steel 1, and multiple hanging teeth 6 are respectively arranged symmetrically on the left and right sides of the guide pipe 3.
[0025] In the embodiment, the baffle 2 and the hanging tooth 6 adopt the steel plate with the thickness of 5mm as the main material, are welded, the number of the hanging tooth 6 is two, and the two hanging teeth 6 are respectively arranged symmetrically on the left and right sides of the guide pipe 3, the guide pipe 3 adopts the steel pipe with the outer diameter of 60mm and the wall thickness of 2mm as the main material, and the guide pipe 2 is full-welded with the baffle 1;
[0026] When positioning, the baffle 1 is tightly attached to the wing plate 11 side of I-shaped steel 1 by the guide pipe 3 passing through the reserved hole 13 of the web 12 of I-shaped steel 1, then the limiting assembly 4 is sleeved into the guide pipe 3 on the one side of I-shaped steel 1, until the end, and the angle control in the small catheter drilling process is realized.
[0027] Example 2:
[0028] The basic content is equivalent to example 1, except that:
[0029] Referring to Figures 2 to 4 , the limiting assembly 4 includes a lock ring 41 and a lock rod 42, the lock ring 41 is sleeved on the outer circumferential surface of the guide pipe 3, one end of the lock rod 42 is connected to the outer circumferential surface of the lock ring 41, the other end of the lock rod 42 is connected with a fixing assembly 5 for fixing the lock rod 42 after passing through the baffle 2, the outer side of the lock rod 42 abuts against the other side of the wing plate 11 of the I-beam 1, the lock rod 42 includes a connecting rod 421 and a supporting rod 422, the upper end of the connecting rod 421 is connected to the outer circumferential surface of the lock ring 41, the outer side of the connecting rod 421 abuts against the other side of the wing plate 11 of the I-beam 1, one end of the supporting rod 422 is connected to the lower end of the connecting rod 421, the other end of the supporting rod 422 is connected with the fixing assembly 5 after passing through the baffle 2, the connecting rod 421 is vertically connected to the outer circumferential surface of the lock ring 41 along the radial direction of the lock rod 42, the supporting rod 422 is perpendicularly connected to the connecting rod 421, the end face of the lock ring 41 close to the baffle 2 is parallel to one side of the baffle 2, and the other end face of the lock ring 41 is arranged in an inclined manner.
[0030] In the embodiment, the lock ring 41 adopts a steel pipe with an ordinary outer diameter of 64 mm and a wall thickness of 1 mm as a main material, the connecting rod 421 and the supporting rod 422 are integrally formed, the lock rod 42 adopts a round steel with a diameter of 10 mm as a main material, and the lock ring 41 and the lock rod 42 are fully welded; the lock ring 41 and the lock rod 42 can also adopt a round steel with a diameter of 10 mm as a main material, and are formed by bending and welding, and the thread length of the lock rod 42 is not less than 60 mm.
[0031] During positioning, the lock ring 41 is sleeved into the guide pipe 3 passing through one side of the I-beam 1 until the end, then the lock rod 42 is passed through the clamping groove 21 reserved in the baffle 2, and finally the fixing assembly 5 is used for fixing, at this time, the connecting rod 421 abuts against the wing plate 11 of the I-beam 1.
[0032] Example 3
[0033] The basic content is equivalent to example 2, except that:
[0034] Referring to Figure 3 , the fixing assembly 5 includes a nut 51, the lower side of the baffle 2 is provided with a clamping groove 21 for supporting the passing of the supporting rod 422, the outer circumferential surface of the other end of the supporting rod 422 is provided with an external thread, the nut 51 is threadedly connected to the other end of the supporting rod 422 and abuts against one side of the baffle 2, and a gasket 52 is connected between the nut 51 and the baffle 2.
[0035] In this embodiment, the nut 51 and the gasket 52 are selected to be matched with the lock rod 52, the outer diameter of the gasket 52 is not less than 28mm, and the wall thickness is not less than 1mm;
[0036] When the lock rod 42 passes through the clamping groove 21 reserved in the baffle 2, the gasket 52 and the nut 51 are installed on the support rod 422 in turn, and the nut 51 is screwed until the nut 51 cannot be screwed, at which time the support rod 422 is connected and fixed with the baffle 2.
Claims
1. A locking type advanced mini-catheter positioning device, characterized by: The utility model provides a limiting assembly (4) is connected to the guide pipe (3) along the axial direction, and the limiting assembly (4) is abutted to the other side of the flange (11) of the I -steel (1).
2. A locking type supercatheter positioning device according to claim 1, characterized in that: The limiting assembly (4) includes a lock ring (41) and a lock rod (42), the lock ring (41) is sleeved on the outer circumferential surface of the guide pipe (3), one end of the lock rod (42) is connected to the outer circumferential surface of the lock ring (41), the other end of the lock rod (42) is connected with a fixing assembly (5) for fixing the lock rod (42) after passing through the baffle (2), and the outer side of the lock rod (42) is abutted to the other side of the flange (11) of the I -steel (1).
3. A locking type, small, pre-catheter positioning device according to claim 2, characterized in that: The lock rod (42) includes a connecting rod (421) and a supporting rod (422), the upper end of the connecting rod (421) is connected to the outer circumferential surface of the lock ring (41), the outer side of the connecting rod (421) is abutted to the other side of the flange (11) of the I -steel (1), one end of the supporting rod (422) is connected to the lower end of the connecting rod (421), and the other end of the supporting rod (422) is connected with the fixing assembly (5) after passing through the baffle (2).
4. A lock-in catheter positioning device according to claim 3, characterized in that: The fixing assembly (5) includes a nut (51), the lower side of the baffle (2) is provided with a clamping groove (21) for supporting the passing of the supporting rod (422), the outer circumferential surface of the other end of the supporting rod (422) is provided with an external thread, and the nut (51) is threadedly connected to the other end of the supporting rod (422) and abutted to one side of the baffle (2).
5. A locking, pigtail catheter positioning device according to claim 4, wherein: A gasket (52) is connected between the nut (51) and the baffle (2).
6. A locking type, small, pre-catheter positioning device according to claim 3, characterized in that: The connecting rod (421) is vertically connected to the outer circumferential surface of the lock ring (41) along the radial direction of the lock rod (42), and the supporting rod (422) is perpendicularly connected to the connecting rod (421).
7. A locking type super small catheter positioning device according to claim 3, characterized in that: The end face of the lock ring (41) close to the baffle (2) is parallel to one side of the baffle (2), and the other end face of the lock ring (41) is inclinedly arranged.
8. A locking type, small, pre-catheter positioning device according to claim 1, characterized in that: The baffle (2) is connected with a plurality of hanging teeth (6) close to one side of the I -steel (1), and the hanging teeth (6) are abutted to the outer side of the flange (11) of the I -steel (1).
9. A locking, pigtail catheter positioning device according to claim 8, wherein: A plurality of the hanging teeth (6) are symmetrically arranged on the left and right sides of the guide pipe (3) respectively.