CN210638934U - Coring device of railway tunnel - Google Patents
Coring device of railway tunnel Download PDFInfo
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- CN210638934U CN210638934U CN201921690880.4U CN201921690880U CN210638934U CN 210638934 U CN210638934 U CN 210638934U CN 201921690880 U CN201921690880 U CN 201921690880U CN 210638934 U CN210638934 U CN 210638934U
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- screw rod
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Abstract
The utility model discloses a core-taking device for railway tunnel, comprising a rotary rod, a screw rod mechanism arranged below the rotary rod and a clamping executing mechanism arranged in cooperation with the screw rod mechanism, wherein the screw rod mechanism comprises a screw rod arranged on the rotary rod, a nut matched with the screw rod and a pressing plate fixed on the nut; the clamping executing mechanism comprises a bracket, two rotating sheets symmetrically pivoted on the left side and the right side of the bracket and clamping sheets fixed on the outer sides of the lower parts of the rotating sheets; clamping grooves for clamping the tops of the two rotating sheets are formed in the left side and the right side of the pressing plate so as to limit the circumferential movement of the pressing plate, and wedge-shaped parts matched through inclined planes are arranged on the inner sides of the clamping grooves and the tops of the corresponding rotating sheets and used for driving the two rotating sheets to rotate oppositely; meanwhile, the bracket is provided with an opening through which the screw rod passes, and the bottom of the screw rod is welded with a limiting block which is abutted against the bracket and used for suspending the bracket; the equipment is placed in the detection hole, after the equipment reaches the core taking position, the rotating rod is rotated to clamp the clamping plate, the core sample in the detection hole is clamped, and the core sample can be taken out.
Description
Technical Field
The utility model relates to a core device in railway tunnel.
Background
High-speed railway tunnel detection coring has become a conventional detection means, but the inverted arch open hole vertical coring depth is more than 2m, the hole diameter is very small, and in the traditional method, a worker is very difficult to take out a core sample in the hole by manual operation without equipment; when equipment exists, a core drilling and taking machine is mainly adopted, the equipment is high in cost and inconvenient to carry among a plurality of detection holes, and moreover, the equipment is complex to operate and is required to be operated by a technician on site; further, if a plurality of railway tunnels need to be detected and cored at the same time, a plurality of detection places wait for one device to be queued for use; therefore, a railway tunnel detection coring device which is simple and convenient to operate, simple in structure, low in manufacturing cost and convenient to carry is urgently needed in the industry, and a field worker can easily and conveniently remove a core sample after drilling.
Disclosure of Invention
The utility model discloses the purpose is: the coring device for the railway tunnel is simple and convenient to operate, simple in structure, low in manufacturing cost and convenient to carry.
The technical scheme of the utility model is that: a core-taking device for a railway tunnel is characterized by comprising a rotary rod, a screw rod mechanism arranged below the rotary rod and a clamping executing mechanism matched with the screw rod mechanism, wherein the screw rod mechanism comprises a screw rod arranged on the rotary rod, a nut matched with the screw rod and a pressing plate fixed on the nut; the clamping executing mechanism comprises a bracket, two rotating sheets symmetrically pivoted on the left side and the right side of the bracket and clamping sheets fixed on the outer sides of the lower parts of the rotating sheets; clamping grooves for clamping the tops of the two rotating sheets are formed in the left side and the right side of the pressing plate so as to limit the circumferential movement of the pressing plate, and wedge-shaped parts matched through inclined planes are arranged on the inner sides of the clamping grooves and the tops of the corresponding rotating sheets and used for driving the two rotating sheets to rotate oppositely; meanwhile, the support is provided with an opening through which the screw rod penetrates, and the bottom of the screw rod is welded with a limiting block which is abutted to the support and used for suspending the support.
Furthermore, the pressing plate comprises two wedge-shaped pressing plates symmetrically fixed on two sides of the nut and two limiting plates fixed on two sides of the outer end of each wedge-shaped pressing plate, and a clamping groove for clamping the top of the corresponding rotating plate is formed between the two limiting plates.
Furthermore, the rotating rod is provided with a torque arm, so that the rotating rod mechanism can be conveniently rotated, and the torque arm and the rotating rod are crossed.
Furthermore, the bracket comprises a round pipe for the screw rod to pass through and two bracket clamping plates fixed on two sides of the round pipe and used for placing the rotor plate, and a gap for placing and rotating the rotor plate is arranged between the two bracket clamping plates on each side.
Furthermore, the rotating sheet and the bracket clamping plate are pivoted through a rivet or a small bolt, and when the upper part of the rotating sheet is extruded by the pressing sheet to perform circumferential motion, the rotating sheet performs circumferential rotation motion around the rivet or the small bolt.
Furthermore, two rotating pieces are connected through a service spring, and after clamping operation is finished, the clamping pieces can be easily made to return to the initial state by using the resilience force of the return spring.
Furthermore, the clamping pieces are arc-shaped plates fixed on the outer sides of the lower parts of the rotating pieces.
Furthermore, the limiting block is a limiting nut welded at the lower end of the screw rod.
During the in-service use, adjust the clamp plate in advance, the top card of rotor is gone into in the draw-in groove of clamp plate both sides to make the wedge portion at rotor top and the wedge portion inclined plane cooperation of draw-in groove inboard.
Aiming at a vertical detection cavity of an inverted arch, the device is integrally placed at a coring position, a support is tightly pressed to a core sample and the inner peripheral wall of a hole, then a rotating rod is rotated by a worker, only a screw rod drives a limit nut to rotate due to the fact that the support, the core sample and the peripheral wall are in a tightly pressed state, the support moves upwards, meanwhile, a wedge-shaped part on the upper portion of a pressing piece and a rotating piece enables the rotating piece to move oppositely around a rivet for connecting the rotating piece and the support, and therefore a clamping piece clamps the core sample; at this time, the worker withdraws the apparatus and takes out the core sample.
The utility model has the advantages that:
1. the utility model discloses in, stretch into the vertical trompil of invert with whole device through the swing arm in, after reacing the coring position, rotatory swing arm can press from both sides tight grip block, and the core appearance in the vertical trompil that will detect is carried, can take out, saves the labour, and is easy and simple to handle.
The utility model discloses in, equipment cost is low, and the preparation is simple and convenient, has saved material cost.
The utility model discloses in, equipment is light, and portable can relax the removal between the perpendicular trompil of a plurality of detections.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is an overall side view of the present invention;
fig. 2 is an assembly view of the present invention.
Wherein: 1. rotating the rod; 2. a torque arm; 3. a screw rod; 4. a nut; 5. pressing a plate; 6. a limiting sheet; 7. a rotating sheet; 8. a small upright post; 9. a support; 10. a limit nut; 11. and a clamping piece.
Detailed Description
Example (b): referring to fig. 1 and 2, the coring device for railway tunnel according to the present invention will be further described,
the utility model discloses constitute jointly by swing arm 1, torque arm 2, screw rod mechanism, centre gripping actuating mechanism.
The screw rod mechanism is arranged below the rotary rod and consists of a screw rod arranged on the rotary rod 1, a nut 4 matched with the screw rod 3 and a pressing plate 5 fixed on the nut 4; the clamping actuating mechanism is composed of a bracket 9, two rotating sheets 7 symmetrically pivoted on the left side and the right side of the bracket and clamping sheets 11 fixed on the outer sides of the lower parts of the rotating sheets 7.
As shown in fig. 1, the left and right sides of the pressing plate 5 are provided with slots for the tops of the two rotating pieces 7 to be clamped in so as to limit the circumferential movement of the pressing plate 5, and wedge-shaped portions matched with the tops of the corresponding rotating pieces 7 through inclined planes are arranged on the inner sides of the slots for driving the two rotating pieces 7 to rotate oppositely. Meanwhile, as shown in fig. 1, the bracket 9 is composed of a circular tube for the screw rod 3 to pass through and two bracket clamping plates welded and fixed on two sides of the circular tube and used for being pivotally inserted into the corresponding rotating sheet 7, and a gap for the rotating sheet 7 to be inserted and rotated is arranged between the two bracket clamping plates on each side. And the bottom of the screw rod 3 is welded with a limit nut 10 which is propped against the bracket 9 and is used for suspending the bracket 9.
As shown in fig. 1, the pressing plate 5 includes two wedge-shaped pressing plates symmetrically fixed on two sides of the nut 4 and two limiting plates 6 fixed on two sides of the outer end of each wedge-shaped pressing plate, and a slot for the top of the corresponding rotating plate 7 to be inserted into is formed between the two limiting plates 6.
As shown in fig. 1, the rotating rod 1 is provided with a torque arm 2 for rotating the rotating rod mechanism, and the torque arm 2 and the rotating rod 1 are crossed.
As shown in figure 1, the rotating sheet 7 is pivoted with the bracket clamping plate through a rivet or a small bolt, and when the upper part of the rotating sheet 7 is extruded by the pressing sheet 5 to move circumferentially, the rotating sheet rotates circumferentially around the rivet or the small bolt, so that the clamping sheet 11 is driven to clamp the core sample.
As shown in fig. 1, every rotor plate both sides all are equipped with little stand 8, link to each other through reset spring between the little stand 8 of two rotor plate homonymies the utility model discloses after the centre gripping operation, utilize this reset spring's resilience force, the initial condition is got back to messenger's holding piece that can be more relaxed.
As shown in fig. 1, the holding pieces 11 are arc-shaped plates fixed to the outer sides of the lower portions of the respective rotating pieces 7.
The utility model discloses a theory of operation: during the in-service use, adjust clamp plate 5 in advance, the top card of rotor 7 is gone into in the draw-in groove of clamp plate 5 both sides to make the wedge portion at rotor 7 top and the wedge portion inclined plane cooperation of draw-in groove inboard.
Aiming at a vertical detection cavity of an inverted arch, the whole device is put into a coring position, a support is tightly pressed to a core sample and the inner peripheral wall of a hole, then a worker rotates a rotary rod 1, and the support, the core sample and the peripheral wall are in a tightly pressed state, so that only a screw rod 3 drives a limit nut 10 to rotate, the support moves upwards, and meanwhile, a pressing piece and a wedge-shaped part on the upper part of a rotating piece 7 enable the rotating piece to move oppositely around a rivet connecting the rotating piece 7 and the support, so that a clamping piece 11 clamps the core sample; at this time, the worker withdraws the apparatus and takes out the core sample.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (8)
1. A core-taking device for a railway tunnel is characterized by comprising a rotary rod (1), a screw rod mechanism arranged below the rotary rod (1) and a clamping executing mechanism matched with the screw rod mechanism, wherein the screw rod mechanism comprises a screw rod (3) arranged on the rotary rod (1), a nut (4) matched with the screw rod (3) and a pressing plate (5) fixed on the nut (4); the clamping executing mechanism comprises a bracket (9), two rotating sheets (7) which are symmetrically pivoted on the left side and the right side of the bracket (9) and clamping sheets (11) which are fixed on the outer sides of the lower parts of the rotating sheets (7); clamping grooves for clamping the tops of the two rotating sheets (7) are formed in the left side and the right side of the pressing plate (5) to limit the circumferential movement of the pressing plate (5), and wedge-shaped parts matched through inclined planes are arranged on the inner sides of the clamping grooves and the tops of the corresponding rotating sheets (7) and used for driving the two rotating sheets (7) to rotate oppositely; meanwhile, the support (9) is provided with a hole for the screw rod (3) to pass through, and the bottom of the screw rod (3) is welded with a limiting block which is propped against the support (9) and used for suspending the support (9).
2. The railway tunnel coring device as claimed in claim 1, wherein the pressing plate (5) comprises two wedge-shaped pressing plates symmetrically fixed on two sides of the nut (4) and two limiting plates (6) fixed on two sides of the outer end of each wedge-shaped pressing plate, and the two limiting plates (6) form the clamping groove for the top of the corresponding rotating plate (7) to be clamped into.
3. Coring device for railway tunnels according to claim 1, characterized in that said rotation lever (1) is provided with a torsion arm (2).
4. A railway tunnel coring device as claimed in claim 1 wherein the support (9) comprises a circular tube through which the lead screw (3) passes and two support jaws fixed to either side of the circular tube, a gap being provided between the two support jaws on each side for insertion of the rotating blade (7).
5. Coring device for railway tunnels according to claim 4, characterized in that said rotating blade (7) is pivoted to said support (9) by means of rivets or small bolts.
6. The railway tunnel coring device of claim 1, wherein the two rotating plates are connected by a return spring.
7. Coring device for railway tunnels according to claim 1, characterized in that said gripping tabs (11) are arc-shaped plates fixed to the lower outer side of each rotating tab (7).
8. The railway tunnel coring device as set forth in claim 1, wherein the stopper is a stopper nut (10) welded to a lower end of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690880.4U CN210638934U (en) | 2019-10-11 | 2019-10-11 | Coring device of railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690880.4U CN210638934U (en) | 2019-10-11 | 2019-10-11 | Coring device of railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638934U true CN210638934U (en) | 2020-05-29 |
Family
ID=70800851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921690880.4U Active CN210638934U (en) | 2019-10-11 | 2019-10-11 | Coring device of railway tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638934U (en) |
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2019
- 2019-10-11 CN CN201921690880.4U patent/CN210638934U/en active Active
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