Excavation device for blast hole of limestone karst cave
By designing a combination of transmission cylinder, support cylinder, auxiliary cover and atomizing nozzle, the shortcomings of limestone cave blasting hole excavation device in terms of support and dust collection were solved, achieving precise excavation and reducing dust, and improving operation efficiency.
Patent Information
- Application Number
- CN202520782744.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing limestone karst cave blasting hole excavation equipment is not convenient for auxiliary adjustment of supports and dust spraying as needed, resulting in inaccurate excavation and easy dust generation, which affects operational efficiency.
A device comprising a transmission cylinder, a support cylinder, an auxiliary cover, an atomizing nozzle, and a telescopic cylinder was designed. By adjusting the support of the support cylinder and collecting dust by spraying from the atomizing nozzle, in conjunction with the slag discharge trough and slag discharge pipe, precise support and dust control of the excavation location can be achieved.
It improves the accuracy and efficiency of blasting hole excavation in limestone karst caves, reduces dust generation, and enhances the convenience and practicality of operation.
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Figure CN223854161U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of blasting hole digging, in particular to a limestone cave blasting hole digging device. BACKGROUND
[0002] Limestone caves are widely distributed in nature, and due to their unique geological structure, they often need to be blasted in various underground engineering, such as tunnel construction, mining, etc. The key step of blasting operation is to dig high-quality blasting holes in the cave, so it is necessary to use the corresponding hole digging device for assistance.
[0003] To this end, Chinese patent number CN202320060826.1 discloses a limestone cave blasting hole digging device, which includes a protective sleeve, an installation seat is movably installed inside the protective sleeve, a drive mechanism body is drivingly installed at one end of the installation seat, a dust collection sleeve is sleeved on the side of the protective sleeve away from the installation seat, and a communication pipe is connected to the bottom opening of the dust collection sleeve.
[0004] However, the existing hole digging device is not convenient to adjust and support and spray dust according to the needs of limestone cave blasting hole digging, which may cause inaccurate digging and dust raising, affecting the operation efficiency.
[0005] Therefore, in order to solve the above problems, a limestone cave blasting hole digging device is proposed. UTILITY MODEL CONTENTS
[0006] The utility model aims to provide a limestone cave blasting hole digging device to solve the problem of the existing hole digging device not being convenient to adjust and support and spray dust according to the needs of limestone cave blasting hole digging, which may cause inaccurate digging and dust raising, affecting the operation efficiency.
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a limestone cave blasting hole digging device, including a transmission cylinder, an opening drill bit is assembled at the front end of the transmission cylinder, a mounting bracket is assembled on the rear side of the transmission cylinder through sleeving, a speed reducer and a servo motor are assembled inside the mounting bracket, the output end of the speed reducer is connected to the rear end of the transmission cylinder through a shaft coupling, and the output end of the servo motor is assembled at the input end of the speed reducer, a support cylinder is covered outside the transmission cylinder, an auxiliary cover is assembled on the front side of the support cylinder through an extension sleeve, an atomizing nozzle is assembled inside the auxiliary cover, a stand is supported at the bottom of the support cylinder, a support telescopic cylinder is supported on the side wall of the stand and the bottom of the support cylinder, a push-pull telescopic cylinder is fixed at the bottom of the support cylinder, and the telescopic end of the push-pull telescopic cylinder is supported at the bottom of the mounting bracket.
[0008] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0009] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0010] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0011] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0012] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0013] As a further further scheme, the auxiliary cover is concave, and a slag discharge groove is integrally arranged at the bottom of the auxiliary cover, and a slag discharge pipe is arranged at the bottom of the slag discharge groove.
[0014] Compared with the prior art, the utility model has the advantages that: the utility model is convenient for auxiliary adjustment, support and spray dust collection according to the need of the limestone cave blasting hole excavation, is favorable to accurate excavation and dust reduction, and is favorable to improving operation efficiency;
[0015] 1. This utility model, by incorporating an auxiliary cover, a telescopic sleeve, and an atomizing nozzle, facilitates the relative support of the excavation site with the assistance of a support cylinder. Subsequently, the atomizing spray from the nozzle helps to control dust during excavation, and the auxiliary cover assists in dust collection. The slag discharge trough and pipe then assist in slag discharge, making operation more convenient and efficient. This design is particularly beneficial for reducing dust during the excavation of blasting holes in limestone karst caves, making excavation more convenient. This design improves the convenience and practicality of the limestone karst cave blasting hole excavation device.
[0016] 2. This utility model, by incorporating a column and supported by a telescopic cylinder and a push-pull telescopic cylinder, assists in adjusting the support of the support cylinder. This allows for easy adjustment of the angle during excavation, making the excavation operation more accurate. Subsequently, with the assistance of the push-pull telescopic cylinder, the extension and retraction of the cylinder facilitates the pushing and pulling of the assembly frame and transmission cylinder. This allows the transmission cylinder, carrying the drilling bit, to excavate and drill holes at the corresponding positions with the support cylinder. This makes operation more convenient and efficient. Through this design, the convenience and practicality of the limestone karst cave blasting hole excavation device are improved. Attached Figure Description
[0017] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a bottom-view perspective view of the overall structure of this utility model;
[0019] Figure 3 This is a three-dimensional side view sectional view of a partial structure of the support cylinder of this utility model;
[0020] Figure 4 This is a side perspective three-dimensional schematic diagram of a partial structure of the telescopic cylinder supporting this utility model;
[0021] Figure 5 This is a side perspective three-dimensional schematic diagram of a partial structure of the auxiliary cover of this utility model;
[0022] In the figure: 100, transmission cylinder; 101, opening drill bit; 110, assembly frame; 111, speed reducer; 112, servo motor; 113, sliding rod; 114, sliding sleeve; 115, clamping strip; 116, sliding groove; 120, support cylinder; 121, lower cross beam; 122, lower hinge tongue; 123, lower hinge seat; 130, auxiliary cover; 131, slag discharge groove; 132, slag discharge pipe; 140, telescopic sleeve; 150, atomizing nozzle; 151, water distribution pipe; 152, water supply pipe; 153, butt joint pipe head; 160, stand column; 161, bottom plate; 162, movable wheel with lock; 163, rear vertical cylinder; 164, rear stand column; 165, locking pin; 170, sliding support; 171, outer support beam; 172, inner sliding beam; 173, support rod; 174, screw pin; 180, support telescopic cylinder; 181, bottom hinge tongue; 182, bottom hinge seat; 183, upper hinge tongue; 184, upper hinge seat; 190, push-pull telescopic cylinder. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] Please refer to Figures 1-5 An embodiment provided by the utility model:
[0025] A limestone karst cave blasting hole excavation device, including transmission cylinder 100, transmission cylinder 100 front end assembly has opening drill bit 101, transmission cylinder 100 rear side end is through the sleeve assembly and is equipped with assembly frame 110, and assembly frame 110 inside assembly has speed reducer 111 and servo motor 112, the output end of speed reducer 111 is connected transmission with the rear end of transmission cylinder 100 through the shaft coupling, and the output end of servo motor 112 is assembled in the input end of speed reducer 111, transmission cylinder 100 outside cover is equipped with support cylinder 120, the front side of support cylinder 120 is assembled with auxiliary cover 130 through telescopic sleeve 140, and auxiliary cover 130 inside assembly has atomizing nozzle 150, support cylinder 120 bottom is supported with stand column 160, and the side wall of stand column 160 and support cylinder 120 bottom are supported with support telescopic cylinder 180, and the bottom of support cylinder 120 is fixed with push-pull telescopic cylinder 190, and the telescopic end of push-pull telescopic cylinder 190 is supported in the bottom of assembly frame 110;
[0026] As a more detailed embodiment of the present embodiment, the auxiliary cover 130 is recessed, and the bottom of the auxiliary cover 130 is integrally provided with a slag discharge groove 131, and the bottom of the slag discharge groove 131 is provided with a slag discharge pipe 132. Therefore, when assembled and used, the auxiliary cover can be set at the excavation position, and the dust removal operation is more convenient;
[0027] As a more detailed embodiment of the present embodiment, the auxiliary cover 130 is recessed, and the bottom of the auxiliary cover 130 is integrally provided with a slag discharge groove 131, and the bottom of the slag discharge groove 131 is provided with a slag discharge pipe 132. Therefore, when assembled and used, the auxiliary cover can be set at the excavation position, and the dust removal operation is more convenient;
[0028] As a more detailed embodiment of the present embodiment, the bottom of the support cylinder 120 is integrally provided with a lower cross beam 121, and the bottom of the lower cross beam 121 is integrally provided with a lower hinge tongue 122, and the lower hinge tongue 122 is hingedly connected to a lower hinge seat 123 through a hinge pin, and the lower hinge seat 123 is fixed to the top of the stand column 160. The lower end of the supporting telescopic cylinder 180 is fixedly provided with a bottom hinge tongue 181, and the side edge of the bottom hinge tongue 181 is hingedly connected to a bottom hinge seat 182, and the bottom hinge seat 182 is fixed to the lower part of the outer wall of the stand column 160. The upper part of the supporting telescopic cylinder 180 is fixedly provided with an upper hinge tongue 183, and the upper part of the upper hinge tongue 183 is hingedly connected to an upper hinge seat 184, and the upper hinge seat 184 is fixed to the bottom center of the support cylinder 120. Therefore, it is convenient to adjust and assist the support between the support cylinder 120 and the stand column 160, so that the support cylinder 120 is convenient for angle adjustment under the support of the stand column 160, and convenient for subsequent excavation drilling;
[0029] As a more detailed embodiment of the present embodiment, the bottom of the stand column 160 is integrally provided with a bottom plate 161, and the bottom plate 161 is supported by a lockable moving wheel 162. The rear side surface of the bottom plate 161 is fixedly provided with a rear stand cylinder 163, and the rear stand cylinder 163 is inserted with a rear stand rod 164. The rear stand cylinder 163 is externally threaded with a lock pin 165, and the inner end of the lock pin 165 abuts against the outer wall of the rear stand rod 164. The top of the rear stand rod 164 is supported on the bottom of the side end of the support cylinder 120 away from the lower hinge tongue 122, and the top of the rear stand rod 164 is not adhered to the bottom of the support cylinder 120. Therefore, when assembled and used, it is convenient to support and move the support cylinder 120, and the subsequent use is more convenient;
[0030] As a more detailed embodiment of the present application, the top of the column 160 is fixed with a sliding support 170, and the sliding support 170 comprises an outer support beam 171 which is supported on the top side of the column 160 by a hoop, and an inner sliding beam 172 is inserted inside the outer support beam 171, and the front end of the inner sliding beam 172 is supported with a support rod 173, and the support rod 173 is supported on the bottom outer wall of the auxiliary cover 130, and a screw pin 174 is threadedly inserted on the front side end of the outer support beam 171, and the inner end of the screw pin 174 abuts against the outer wall of the inner sliding beam 172. In this way, during assembly and use, it is convenient to assist in adjusting and supporting the auxiliary cover 130 according to the needs of use, so that the operation is more convenient.
[0031] As a more detailed embodiment of the present application, the front side left and right and upper of the assembly frame 110 is fixed with a sliding rod 113, and the outer wall of the sliding rod 113 is sleeved with a sliding sleeve 114, and three groups of sliding sleeves 114 are supported on the outer wall of the support cylinder 120 upper and left and right sides, and the side end of the sliding rod 113 is fixed with a clamping strip 115, and the clamping strip 115 is inserted through the outer wall of the sliding sleeve 114, and the outer wall of the sliding sleeve 114 is provided with a sliding groove 116 corresponding to the clamping strip 115. In this way, it is convenient to assist in the extraction and insertion of the assembly frame 110 and the support cylinder 120 for push-pull, so that the operation and use are convenient.
[0032] Working principle: during assembly and use, according to the needs of use, through the cooperation of the bottom plate 161 and the movable wheel 162 with lock, it is convenient to support the support cylinder 120 and the transmission cylinder 100 and the assembly frame 110 to move to the appropriate position, then according to the excavation needs, control the support telescopic cylinder 180 to extend and retract, so that the support cylinder 120 adjusts the support angle of the support cylinder 120 and the transmission cylinder 100 and the assembly frame 110 under the support of the column 160, then under the cooperation of the sliding support 170, through the extension and retraction of the outer support beam 171 and the inner sliding beam 172, it is convenient to cover the related area with the auxiliary cover 130, so as to reduce the dust during subsequent excavation and convenient spraying, under the setting of the telescopic sleeve 140, it is convenient to cooperate when the support cylinder 120 adjusts the angle without being easily hindered by the support of the auxiliary cover 130 and the sliding support 170, further, the butt joint pipe head 153 is connected to the water source, the push-pull telescopic cylinder 190 is retracted, the assembly frame 110 is driven to rotate by the cooperation of the reducer 111 and the servo motor 112, so that the transmission cylinder 100 drives the perforating drill bit 101 to rotate and excavates and blasts holes in the limestone cave, at the same time, the atomizing nozzle 150 sprays, so as to conveniently reduce the dust, so that the operation and use are more convenient. The operation ends here.
[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. A limestone cave blast hole excavation device, comprising a transmission cylinder (100), the front end of the transmission cylinder (100) is equipped with an opening drilling head (101), characterized in that: The rear end of the transmission cylinder (100) is provided with an assembly frame (110) through sleeving, and a speed reducer (111) and a servo motor (112) are assembled in the assembly frame (110), the output end of the speed reducer (111) is connected with the rear end of the transmission cylinder (100) through a shaft coupling, and the output end of the servo motor (112) is assembled on the input end of the speed reducer (111), the transmission cylinder (100) is covered with a supporting cylinder (120), the front side of the supporting cylinder (120) is provided with an auxiliary cover (130) through a telescopic sleeve (140), and an atomizing nozzle (150) is assembled in the auxiliary cover (130), the bottom of the supporting cylinder (120) is supported by a stand column (160), the side wall of the stand column (160) and the bottom of the supporting cylinder (120) are supported by a supporting telescopic cylinder (180), the bottom of the supporting cylinder (120) is fixedly provided with a push-pull telescopic cylinder (190), and the telescopic end of the push-pull telescopic cylinder (190) is supported on the bottom of the assembly frame (110).
2. The limestone cave blasting hole excavation device according to claim 1, characterized in that: The auxiliary cover (130) is concave, and a slag discharge groove (131) is integrally arranged on the bottom of the auxiliary cover (130), and a slag discharge pipe (132) is assembled on the bottom of the slag discharge groove (131).
3. The device for excavating a blast hole in a limestone cave according to claim 1, characterized in that: The outer wall of the auxiliary cover (130) is provided with a water distribution pipe (151) corresponding to the atomizing nozzle (150), and the atomizing nozzle (150) is threadedly inserted into the lower end of the water distribution pipe (151), the outer end of the water distribution pipe (151) is communicated with a water supply pipe (152), and the side end of the water supply pipe (152) is integrally provided with a butt joint pipe head (153).
4. The device for excavating a blast hole in a limestone cave according to claim 1, characterized in that: The bottom of the supporting cylinder (120) is integrally provided with a lower cross beam (121), the bottom of the lower cross beam (121) is fixedly provided with a lower hinge tongue (122), the lower part of the lower hinge tongue (122) is hingedly connected with a lower hinge seat (123) through a hinge pin, and the lower hinge seat (123) is fixed on the top of the stand column (160), the lower end of the supporting telescopic cylinder (180) is fixedly provided with a bottom hinge tongue (181), the side edge of the bottom hinge tongue (181) is hingedly connected with a bottom hinge seat (182), and the bottom hinge seat (182) is fixed on the lower part of the outer wall of the stand column (160), the upper part of the supporting telescopic cylinder (180) is fixedly provided with an upper hinge tongue (183), the upper part of the upper hinge tongue (183) is hingedly connected with an upper hinge seat (184), and the upper hinge seat (184) is fixed on the bottom center of the supporting cylinder (120).
5. The device for excavating a blast hole in a limestone cave according to claim 4, characterized in that: The bottom of the stand column (160) is integrally provided with a bottom plate (161), the bottom of the bottom plate (161) is supported by a locking mobile wheel (162), the rear side surface of the bottom plate (161) is fixedly provided with a rear stand cylinder (163), the rear stand cylinder (163) is inserted with a rear stand rod (164), the rear stand cylinder (163) is threadedly inserted with a lock pin (165), and the inner end of the lock pin (165) abuts against the outer wall of the rear stand rod (164), the top of the rear stand rod (164) is supported on the bottom of the side of the supporting cylinder (120) away from the lower hinge tongue (122), and the top of the rear stand rod (164) is not adhered to the bottom of the supporting cylinder (120).
6. The device for limestone cave blasting hole excavation according to claim 1, characterized in that: The top of the column (160) is fixed with a sliding support (170), and the sliding support (170) comprises an outer support beam (171) which is supported on the top side of the column (160) by a hoop, and an inner sliding beam (172) is inserted in the inner part of the outer support beam (171), the front end of the inner sliding beam (172) is supported with a support rod (173), and the support rod (173) is supported on the bottom outer wall of the auxiliary cover (130), the front side end of the outer support beam (171) is threadedly inserted with a screw pin (174), and the inner end of the screw pin (174) abuts against the outer wall of the inner sliding beam (172).
7. The device for limestone cave blasting hole excavation according to claim 1, characterized in that: The front side, left and right and upper part of the assembling frame (110) is fixed with a sliding rod (113), and the outer wall of the sliding rod (113) is sleeved with a sliding sleeve (114), three groups of the sliding sleeve (114) are supported on the outer wall of the supporting cylinder (120) upper part and left and right sides, and the side end of the sliding rod (113) is fixed with a clamping strip (115), and the clamping strip (115) is inserted through the outer wall of the sliding sleeve (114), and the outer wall of the sliding sleeve (114) is provided with a sliding groove (116) corresponding to the clamping strip (115).
Citation Information
Patent Citations
Excavation device for blast hole of limestone karst cave
CN219158936U