CN219344620U - Lifting mechanism of drilling machine - Google Patents
Lifting mechanism of drilling machine Download PDFInfo
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- CN219344620U CN219344620U CN202320543596.4U CN202320543596U CN219344620U CN 219344620 U CN219344620 U CN 219344620U CN 202320543596 U CN202320543596 U CN 202320543596U CN 219344620 U CN219344620 U CN 219344620U
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Abstract
The utility model provides a drilling machine lifting mechanism, which comprises: the drilling machine can move along the extending direction of the frame body relative to the frame body; the chain assembly comprises a tensioning part and an annular chain, the extending direction of the tensioning part is the same as that of the drilling machine, and the tensioning part is movably arranged on the frame body along the extending direction of the frame body; the annular chain is sleeved on the tensioning part so as to enable the annular chain to be tensioned along the extending direction of the tensioning part, the annular chain can rotate relative to the tensioning part, the annular chain is provided with a first installation part and a second installation part which are arranged at intervals along the circumferential direction, the first installation part is fixedly arranged on the frame body, and the second installation part is used for installing the drilling machine; the driving part is arranged on the frame body and is in driving connection with the tensioning part so that the tensioning part moves along the extending direction of the frame body, and meanwhile, the annular chain rotates relative to the tensioning part so that the second installation part moves relative to the frame body along the extending direction of the tensioning part.
Description
Technical Field
The utility model relates to the technical field of drilling machines, in particular to a drilling machine lifting mechanism.
Background
The anchor rod transfer unit is a comprehensive device which is specially used for supporting roof and side wall anchor rods and anchor cables in underground coal mine engineering. The rock bolt transfer unit generally includes a body portion and a drill disposed on the body portion. In general, the drilling machine needs to be arranged on the body part in a lifting manner so as to adapt to the actual conditions of different working surfaces.
Among the prior art, the chinese patent of application number 202021531953.8, it discloses a track that adopts double chain to drive rig lift, and it includes, including big arm, unit head assembly, unit head base, running block guide rail, chain telescopic cylinder, running block, first double chain, the double chain of second and boom guide rail, boom guide rail and big arm upper surface fixed connection. The scheme in the prior art is applied to the anchor rod transfer unit, and the drilling machine can slide relative to the body part.
However, in the above scheme, two double-row chains are arranged, the structure is complex, two ends of the two double-row chains are fixedly connected with other equipment respectively, and the chains are not convenient to tension after loosening.
Disclosure of Invention
The utility model provides a drilling machine lifting mechanism, which aims to solve the problems that when two double rows of chains are adopted in the prior art, the structure is complex and the tensioning of the chains is inconvenient.
The utility model provides a drilling machine lifting mechanism, which comprises: the drilling machine can move along the extending direction of the frame body relative to the frame body; the chain assembly comprises a tensioning part and an annular chain, the extending direction of the tensioning part is the same as that of the drilling machine, and the tensioning part is movably arranged on the frame body along the extending direction of the frame body; the annular chain is sleeved on the tensioning part so as to enable the annular chain to be tensioned along the extending direction of the tensioning part, the annular chain can rotate relative to the tensioning part, the annular chain is provided with a first installation part and a second installation part which are arranged at intervals along the circumferential direction, the first installation part is fixedly arranged on the frame body, and the second installation part is used for installing the drilling machine; the driving part is arranged on the frame body and is in driving connection with the tensioning part so that the tensioning part moves along the extending direction of the frame body, and meanwhile, the annular chain rotates relative to the tensioning part so that the second installation part moves relative to the frame body along the extending direction of the tensioning part.
Further, the tensioning portion is provided with a first supporting end and a second supporting end which are oppositely arranged along the length direction, the distance between the first supporting end and the second supporting end is adjustable so as to adjust the whole length of the tensioning portion, and the first supporting end and the second supporting end are respectively abutted against the inner side of the annular chain. So set up, can be convenient for realize tensioning annular chain, guarantee annular chain operation's stability and smoothness nature.
Further, the tensioning portion comprises a first supporting portion and a second supporting portion which are sequentially arranged along the extending direction of the tensioning portion, one end, far away from the second supporting portion, of the first supporting portion forms a first supporting end, one end, far away from the first supporting portion, of the second supporting portion forms a second supporting end, and the first supporting portion and the second supporting portion can relatively slide along the extending direction of the tensioning portion to adjust the length of the tensioning portion.
The first supporting part and the second supporting part can slide relatively, so that the convenience of adjusting the length of the tensioning part can be improved.
Further, the tensioning part further includes: and the adjusting part is arranged between the first supporting part and the second supporting part to adjust the length of the tensioning part. The setting of adjustment portion can further realize adjusting the relative position between first supporting part and the second supporting part fast.
Further, the adjusting part is rotatably arranged on the end face of one end, close to the second supporting part, of the first supporting part, a threaded hole is formed in the adjusting part, and one end, close to the first supporting part, of the second supporting part is in threaded connection with the threaded hole. The screw thread structure has the function of auto-lock, adjusts the relative position of first supporting part and second supporting part through the screw thread structure, can guarantee to adjust after the end, the stability of relative position between first supporting part and the second supporting part.
Further, a penetrating hole is formed in the end face, close to one end of the second supporting portion, of the first supporting portion, and one end of the second supporting portion is movably penetrated in the penetrating hole. The arrangement of the penetrating holes can guide and limit the relative sliding of the first supporting part and the second supporting part, so that the sliding stability of the first supporting part relative to the second supporting part is ensured.
Further, the tensioning part further includes: and the elastic part is arranged between the first supporting part and the second supporting part and is used for providing acting force towards the directions away from each other for the first supporting end and the second supporting end so as to tension the annular chain. The arrangement of the elastic part can further ensure the tensioning effect of the tensioning part on the annular chain.
Further, the first and second mounting portions divide the endless chain into two portions of the same length. The arrangement is such that the spacing between the first mounting portion and the second mounting portion and the spacing between the second mounting portion and the first mounting portion are equal in the clockwise direction of the endless chain.
Further, the chain assembly further comprises: the two limiting parts are arranged on the tensioning part at intervals along the vertical line direction of the tensioning part, a limiting groove is formed between the two limiting parts, the annular chain is located in the limiting groove, and the limiting groove is in limiting fit with the annular chain. The setting of spacing groove can play direction and spacing effect to the rotation of annular chain relative tensioning portion, guarantees annular chain pivoted stability.
Further, the support body includes two deflector that set up relatively, forms the holding tank between two deflector, and the extending direction of holding tank is the same with the extending direction of support body, and the chain subassembly sets up in the holding tank. So set up, can reduce the condition of external impurity pollution annular chain, guarantee the stability and the smoothness nature of annular chain operation.
Further, the drill lifting mechanism further includes: the guide rod is arranged on the frame body, and the extending direction of the guide rod is the same as that of the frame body; the guide hole is arranged on the second installation part, the second installation part is sleeved on the guide rod through the guide hole, and the guide hole is in guide fit with the guide rod. The guide rod is matched with the guide hole, so that movement of the second installation part can be guided, and the movement stability of the second installation part is ensured.
By applying the technical scheme of the utility model, under the driving action of the driving part, the chain component can move relative to the frame body, so that the second installation part drives the drilling machine arranged on the second installation part to move. The chain assembly is arranged in the form of the tensioning part and the annular chain, the parts are few, the structure is simple, and the tensioning part is convenient for tensioning the annular chain. Specifically, install the rig on the second installation department, start drive division, because first installation department is fixed with respect to the support body, when drive division drive tensioning part moved along the length direction of support body, tensioning part removal drive endless chain rotated with respect to it, and the interval between second installation department and the first installation department changes this moment to the position of regulation rig with respect to the support body. Along with long-time work, the loose condition of annular chain probably appears, and at this moment, tensioning to annular chain through tensioning portion to guarantee that annular chain is in the state of tensioning, guarantee the stability of work. Compared with the traditional technical direction, the mechanism has simple and compact structure, and the tensioning part can tension the annular chain so as to ensure the running stability of the mechanism.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic structural diagram of a drilling machine lifting mechanism provided by the utility model when the drilling machine lifting mechanism is matched with a drilling machine;
FIG. 2 shows a schematic view of the structure of the chain assembly provided by the present utility model;
FIG. 3 shows a schematic structural view of the drill lifting mechanism provided by the utility model;
FIG. 4 shows a partial cross-sectional view of a drilling lift mechanism provided by the present utility model;
FIG. 5 shows a partial schematic structure at A in FIG. 4;
FIG. 6 shows a partial schematic structure at B in FIG. 4;
fig. 7 shows a schematic structural diagram of a frame body provided by the utility model;
fig. 8 shows a schematic structural diagram of the second connecting plate provided by the utility model.
Wherein the above figures include the following reference numerals:
10. a frame body; 101. a receiving groove;
11. a guide plate; 111. a guide groove;
20. a chain assembly;
21. a tensioning part; 2101. a first roller; 2102. a second roller;
211. a first support portion; 212. a second supporting part; 213. an adjusting section; 214. an elastic part; 215. a connection part; 216. a stop portion;
22. an endless chain;
221. a first mounting portion; 222. a second mounting portion; 2221. a first connection plate; 2222. a second connecting plate;
23. a limit part;
30. a driving section;
41. a guide rod; 42. a guide hole;
1. and (5) drilling a machine.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 8, an embodiment of the present utility model provides a drill lifting mechanism including a frame 10, a chain assembly 20, and a driving part 30. Wherein the drilling machine can move along the extending direction of the frame body 10 relative to the frame body 10. The chain assembly 20 includes a tensioning part 21 and an endless chain 22, the extending direction of the tensioning part 21 is the same as the extending direction of the drilling machine, and the tensioning part 21 is movably arranged on the frame body 10 along the extending direction of the frame body 10; the endless chain 22 is sleeved on the tensioning part 21 so that the endless chain 22 is tensioned along the extending direction of the tensioning part 21, the endless chain 22 can rotate relative to the tensioning part 21, the endless chain 22 is provided with a first mounting part 221 and a second mounting part 222 which are arranged at intervals along the circumferential direction, the first mounting part 221 is fixedly arranged on the frame body 10, and the second mounting part 222 is used for mounting the drilling machine 1. The driving part 30 is disposed on the frame 10, and the driving part 30 is in driving connection with the tensioning part 21 to move the tensioning part 21 along the extending direction of the frame 10, and at the same time, the endless chain 22 rotates relative to the tensioning part 21 to move the second mounting part 222 relative to the frame 10 along the extending direction of the tensioning part 21.
By applying the technical scheme of the utility model, under the driving action of the driving part 30, the chain assembly 20 can move relative to the frame body, so that the second mounting part 222 drives the drilling machine 1 arranged on the second mounting part to move. The chain assembly 20 is provided in the form of a tensioning part 21 and a endless chain 22, which has few parts and a simple structure, and the tensioning part 21 facilitates tensioning the endless chain 22. Specifically, the drilling machine 1 is mounted on the second mounting portion 222, the driving portion 30 is started, and since the first mounting portion 221 is fixed relative to the frame 10, when the driving portion 30 drives the tensioning portion 21 to move along the length direction of the frame 10, the tensioning portion 21 moves to drive the endless chain 22 to rotate relative thereto, and at this time, the distance between the second mounting portion 222 and the first mounting portion 221 is changed to adjust the position of the drilling machine 1 relative to the frame 10. With long-time operation, the endless chain 22 may be loosened, and at this time, the endless chain 22 is tensioned by the tensioning portion 21 to ensure that the endless chain 22 is in a tensioned state, and to ensure the stability of operation. Compared with the traditional technical direction, the mechanism is simple and compact in structure, and the tensioning part 21 can tension the annular chain 22 so as to ensure the running stability of the mechanism.
As shown in fig. 4 to 6, in the present embodiment, the tensioning portion 21 has a first supporting end and a second supporting end that are disposed opposite to each other along a length direction, and a distance between the first supporting end and the second supporting end is adjustable to adjust an overall length of the tensioning portion 21, and the first supporting end and the second supporting end are respectively abutted against an inner side of the endless chain 22. In this embodiment, the tensioning portion 21 includes a body portion, a first roller 2101 and a second roller 2102, the body portion is in a rod-shaped structure, the first roller 2101 is rotatably disposed at one end of the body portion, an axial direction of the first roller 2101 is perpendicular to a length direction of the body portion, the second roller 2102 is rotatably disposed at the other end of the body portion, an axial direction of the second roller 2102 is perpendicular to the length direction of the body portion, the first roller 2101 and the second roller 2102 form a first supporting end and a second supporting end respectively, and a peripheral surface of the first roller 2101 and a peripheral surface of the second roller 2102 are in contact with an inner side of the annular chain 22 respectively. The arrangement of the first roller 2101 and the second roller 2102 can reduce friction between the tensioning part and the endless chain 22, and ensure the smoothness of the driving of the endless chain 22 by the tensioning part 21.
Specifically, the tensioning part 21 includes a first supporting part 211 and a second supporting part 212 sequentially disposed along an extending direction of the tensioning part 21, one end of the first supporting part 211 far away from the second supporting part 212 forms a first supporting end, one end of the second supporting part 212 far away from the first supporting part 211 forms a second supporting end, and the first supporting part 211 and the second supporting part 212 can relatively slide along the extending direction of the tensioning part 21 to adjust a length of the tensioning part 21. By such arrangement, convenience in adjusting the overall length of the tension portion 21 can be ensured. In this embodiment, the first supporting portion 211 and the second supporting portion 212 are both in a rod-shaped structure, one end of the first supporting portion 211 far away from the second supporting portion 212 is provided with a first roller 2101, and one end of the second supporting portion 212 far away from the first supporting portion 211 is provided with a second roller 2102.
As shown in fig. 2, further, the tension part 21 further includes an adjusting part 213, and the adjusting part 213 is disposed between the first support part 211 and the second support part 212 to adjust the length of the tension part 21. The adjustment portion 213 is provided to facilitate adjustment of the entire length of the tension portion 21.
In this embodiment, the adjusting portion 213 is rotatably disposed on an end surface of the first supporting portion 211 near one end of the second supporting portion 212, and a threaded hole is disposed on the adjusting portion 213, and one end of the second supporting portion 212 near the first supporting portion 211 is screwed with the threaded hole. Specifically, when the entire length of the tension portion 21 is adjusted, the rotation adjusting portion 213 is rotated and moved in a direction approaching or separating from the first supporting portion 211 by the screw structure, and the second supporting portion 212 is rotated and moved. And, the screw structure itself has the function of auto-lock, so set up, can guarantee the stability between first supporting part 211 and the second supporting part 212 after the regulation is finished. Specifically, the outline of the outer peripheral surface of the adjustment portion 213 is of a polygonal structure, so arranged as to facilitate rotation of the adjustment portion 213.
Further, a penetrating hole is provided on an end surface of the first supporting portion 211 near to one end of the second supporting portion 212, and one end of the second supporting portion 212 is movably penetrated in the penetrating hole. In this embodiment, the adjusting portion 213 is disposed coaxially with the first supporting portion 211, the threaded hole is a through hole, and the threaded hole is disposed coaxially with the through hole. The end portion of the second supporting portion 212 near the first supporting portion 211 passes through the threaded hole and then extends into the through hole. So set up for wear to establish the hole and play the effect of direction to the removal of second supporting part 212, guarantee the stability of second supporting part 212 removal and rotation process.
Further, the tensioning part 21 further includes an elastic part 214 disposed between the first supporting part 211 and the second supporting part 212, the elastic part 214 being configured to provide a force to the first supporting end and the second supporting end in a direction away from each other to tension the endless chain 22. The arrangement of the elastic portion 214 can further ensure the stability of the first supporting portion 211 and the second supporting portion 212, and ensure the tensioning effect on the endless chain 22.
The second support portion 212 includes a first support section and a second support section, the second support section is far away from the first support section 211, the diameter of the second support section is larger than that of the first support section, a stepped surface is formed between the second support section and the first support section, the elastic portion 214 is a spring, the elastic portion 214 is sleeved on the first support section, one end of the elastic portion 214 is abutted with an end face of the adjusting portion 213 far away from the first support section 211, and the other end of the elastic portion 214 is abutted with the stepped surface. So set up, can guarantee the stability of spring.
In this embodiment, the first mounting portion 221 and the second mounting portion 222 divide the endless chain 22 into two portions of the same length. In this embodiment, the first mounting portion 221 and the second mounting portion 222 are respectively located at two sides of the tensioning portion 21 in the length direction, the first mounting portion 221 is disposed near the middle of the frame 10 in the length direction, and the second mounting portion 222 has a first limit position and a second limit position that are disposed opposite to each other along the length direction of the frame 10, and the first limit position and the second limit position are respectively near two ends of the frame 10 in the length direction. I.e. the travel of the second mounting portion 222 is approximately twice the length of the tensioning portion 21. So arranged, the travel of the second mounting portion 222, i.e., the travel of the drill 1 along the frame 10 can be ensured.
As shown in fig. 2 and 6, further, the chain assembly 20 further includes two limiting portions 23, the two limiting portions 23 are disposed on the tensioning portion 21 at intervals along the vertical direction of the tensioning portion 21, a limiting groove is formed between the two limiting portions 23, the annular chain 22 is located in the limiting groove, and the limiting groove is in limiting fit with the annular chain 22. In this embodiment, the two limiting portions 23 are disposed at one end of the second supporting portion 212 away from the first supporting portion 211, and along the perpendicular direction of the second supporting portion 212, the two limiting portions 23 are respectively located at two sides of the second roller 2102. The setting of spacing portion 23 can play the guide to the removal of annular chain 22 relative tensioning portion 21 and spacing effect, guarantees the stationarity of annular chain relative tensioning portion 21 removal.
As shown in fig. 1, 2 and 7, specifically, the frame body 10 includes two guide plates 11 disposed opposite to each other, a receiving groove 101 is formed between the two guide plates 11, the extending direction of the receiving groove 101 is the same as the extending direction of the frame body 10, and the chain assembly 20 is disposed in the receiving groove 101. The chain assembly 20 is arranged in the accommodating groove 101, so that the interference between other parts and the annular chain 22 can be avoided, and the moving stability and smoothness of the annular chain 22 are ensured.
In this embodiment, each guide plate 11 is provided with a guide groove 111, the extending direction of the guide groove 111 is the same as the extending direction of the guide plate 11, and the guide groove 111 is disposed through the guide plate 11 along the distribution direction of the two guide plates 11. The limiting part 23 is embedded in the guide groove 111 and is in limiting fit with the guide groove 111. Thus, the stability and smoothness of the movement of the chain assembly 20 can be ensured.
Further, an end of the second supporting portion 212 far away from the first supporting portion 211 is provided with a mounting hole, an axial direction of the mounting hole is the same as a distribution direction of the two guide plates 11, and the mounting hole penetrates the second supporting portion and the two limiting portions 23 along the distribution direction of the two guide plates 11. The tensioning portion 21 further comprises a connecting portion 215 and a stopping portion 216, the connecting portion 215 is of a rod-shaped structure, the connecting portion 215 and the second supporting portion 212 are detachably connected through bolts, and two limiting portions 23 are respectively protruded from two ends of the connecting portion 215 along the distribution direction of the two guide plates 11. In this embodiment, the driving portion 30 is a driving cylinder, a base of the driving cylinder is fixedly connected with the frame body 10, one end, far away from the base, of a telescopic rod of the driving cylinder is provided with a mounting sleeve, the mounting sleeve is sleeved on an end portion of the connecting portion 215, and the stop portion 216 is detachably connected with an end face of the connecting portion 215 and is in stop fit with the mounting sleeve to prevent the mounting sleeve from falling off from the connecting portion 215. This arrangement facilitates loading the chain assembly 20 into the receiving groove 101 and connecting the driving part 30 with the connecting part 215.
As shown in fig. 1, 2 and 8, further, the second mounting portion 222 includes a first connection plate 2221 and a second connection plate 2222, the first connection plate 2221 is fixedly disposed on the endless chain 22, the second connection plate 2222 is located at a side of the first connection plate 2221 away from the endless chain 22, and the second connection plate 2222 is detachably connected with the first connection plate 2221 through a fastener, the second connection plate 2222 is parallel to the first connection plate 2221 and a sectional area of the second connection plate 2222 is larger than a sectional area of the first connection plate 2221, and the second connection plate 2222 is used for mounting the drilling machine 1. So set up, can guarantee the convenience that first connecting plate 2221 is connected with annular chain 22, can guarantee the stability that rig 1 installed on the second connecting plate 2222 simultaneously.
Further, the drill lifting mechanism further comprises a guide rod 41 and a guide hole 42 which are in guide fit with each other, the guide rod 41 is arranged on the frame body 10, the extending direction of the guide rod 41 is the same as that of the frame body 10, the guide hole 42 is arranged on the second connecting plate 2222, and the second connecting plate 2222 is sleeved on the guide rod 41 through the guide hole 42 and is in guide fit with the guide rod 41. So set up, can guarantee the stability of second connecting plate 2222 moving process, and then guarantee the stability that rig 1 moved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (11)
1. A drill lifting mechanism, comprising:
the drilling machine comprises a frame body (10) for mounting a drilling machine (1), wherein the drilling machine (1) can move relative to the frame body (10) along the extending direction of the frame body (10);
a chain assembly (20) comprising a tensioning part (21) and an endless chain (22), wherein the extending direction of the tensioning part (21) is the same as the extending direction of the drilling machine (1), and the tensioning part (21) is movably arranged on the frame body (10) along the extending direction of the frame body (10); the annular chain (22) is sleeved on the tensioning part (21) so as to enable the annular chain (22) to be tensioned along the extending direction of the tensioning part (21), the annular chain (22) can rotate relative to the tensioning part (21), the annular chain (22) is provided with a first mounting part (221) and a second mounting part (222) which are arranged at intervals along the circumferential direction, the first mounting part (221) is fixedly arranged on the frame body (10), and the second mounting part (222) is used for mounting a drilling machine;
the driving part (30) is arranged on the frame body (10), the driving part (30) is in driving connection with the tensioning part (21), so that the tensioning part (21) moves along the extending direction of the frame body (10), and meanwhile, the annular chain (22) rotates relative to the tensioning part (21) so that the second installation part (222) moves relative to the frame body (10) along the extending direction of the tensioning part (21).
2. The drill lifting mechanism according to claim 1, wherein the tensioning portion (21) has a first support end and a second support end which are disposed opposite to each other in a length direction, a distance between the first support end and the second support end being adjustable to adjust an overall length of the tensioning portion (21), the first support end and the second support end being respectively abutted against an inner side of the endless chain (22).
3. The drill lifting mechanism according to claim 2, wherein the tensioning portion (21) includes a first supporting portion (211) and a second supporting portion (212) which are sequentially provided along an extending direction of the tensioning portion (21), one end of the first supporting portion (211) which is away from the second supporting portion (212) forms the first supporting end, one end of the second supporting portion (212) which is away from the first supporting portion (211) forms the second supporting end, and the first supporting portion (211) and the second supporting portion (212) are relatively slidable along the extending direction of the tensioning portion (21) to adjust a length of the tensioning portion (21).
4. A drill lifting mechanism according to claim 3, characterized in that the tensioning section (21) further comprises:
an adjusting portion (213), the adjusting portion (213) being provided between the first supporting portion (211) and the second supporting portion (212) to adjust the length of the tensioning portion (21).
5. The drilling machine lifting mechanism according to claim 4, wherein the adjusting portion (213) is rotatably provided on an end face of the first supporting portion (211) near one end of the second supporting portion (212), a threaded hole is provided on the adjusting portion (213), and one end of the second supporting portion (212) near the first supporting portion (211) is screwed with the threaded hole.
6. A drill lifting mechanism according to claim 3, characterized in that an end face of the first support part (211) near one end of the second support part (212) is provided with a penetrating hole, and one end of the second support part (212) is movably penetrated in the penetrating hole.
7. A drill lifting mechanism according to claim 3, characterized in that the tensioning section (21) further comprises:
and an elastic part (214) arranged between the first supporting part (211) and the second supporting part (212), wherein the elastic part (214) is used for providing acting force to the first supporting end and the second supporting end in directions away from each other so as to tension the annular chain (22).
8. The drill lifting mechanism according to claim 1, characterized in that the first mounting portion (221) and the second mounting portion (222) divide an endless chain (22) into two parts of equal length.
9. The drill lift mechanism of claim 1 wherein the chain assembly (20) further comprises:
the two limiting parts (23), two limiting parts (23) are arranged on the tensioning part (21) at intervals along the vertical line direction of the tensioning part (21), a limiting groove is formed between the two limiting parts (23), the annular chain (22) is located in the limiting groove, and the limiting groove is in limiting fit with the annular chain (22).
10. The drilling machine lifting mechanism according to claim 1, wherein the frame body (10) comprises two guide plates (11) which are oppositely arranged, a containing groove (101) is formed between the two guide plates (11), the extending direction of the containing groove (101) is the same as that of the frame body (10), and the chain assembly (20) is arranged in the containing groove (101).
11. The drill lift mechanism of claim 1, wherein the drill lift mechanism further comprises:
the guide rod (41) is arranged on the frame body (10), and the extending direction of the guide rod (41) is the same as the extending direction of the frame body (10);
the guide hole (42) is arranged on the second installation part (222), the second installation part (222) is sleeved on the guide rod (41) through the guide hole (42), and the guide hole (42) is in guide fit with the guide rod (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320543596.4U CN219344620U (en) | 2023-03-16 | 2023-03-16 | Lifting mechanism of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320543596.4U CN219344620U (en) | 2023-03-16 | 2023-03-16 | Lifting mechanism of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344620U true CN219344620U (en) | 2023-07-14 |
Family
ID=87102744
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320543596.4U Active CN219344620U (en) | 2023-03-16 | 2023-03-16 | Lifting mechanism of drilling machine |
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| CN (1) | CN219344620U (en) |
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