Protective device for oil cylinder of telescopic large arm of tunneling trolley
By designing a protective device for the hydraulic cylinder of the telescopic boom of the tunneling trolley, the problem of easy deformation of the hydraulic cylinder was solved, achieving all-round protection, extending service life and improving operational safety.
Patent Information
- Application Number
- CN202422368350.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The hydraulic cylinders of the telescopic boom of the tunneling trolley are easily deformed by falling rocks during use, affecting the safety and efficiency of equipment operation. Existing technology lacks effective protective measures.
A protective device comprising a protective pad, a cylinder wall protective body, a telescopic rod protective body, and a bending body is designed. It is fixedly installed on the surface of the fixed seat of the telescopic rod by bolts and nuts, covering all parts of the telescopic boom cylinder and providing all-round protection.
It improves the service life of the telescopic boom cylinder, ensures the safe and orderly operation of the tunneling trolley, reduces the frequency of equipment maintenance and the accident rate, and reduces the workload of operators.
Smart Images

Figure CN223524105U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of protective equipment, and specifically relates to a telescopic large arm oil cylinder protection device of a heading trolley. BACKGROUND
[0002] The heading trolley is mainly used for heading, transportation and supporting work in coal mines and metal mines, is used for supporting the supporting work of places such as roadway, waist plate, roof and coal column, can be cooperated by mechanical equipment and manual work, adopts different heading modes and supporting modes according to the roadway and supporting conditions of different coal mines and metal mines, and is transported to coal mines, metal mines and other places by transportation facilities such as railways and tracks to carry out heading and supporting operations.
[0003] The rock drilling trolley is mainly composed of a base, a rock drill, a driving system and a control system, can be used for mining, tunneling and other open-air engineering, has high mining efficiency and operation safety, wherein the telescopic large arm oil cylinder is an important structure of the driving system, on one hand, the telescopic large arm oil cylinder can reduce the length of the trolley in the limited space underground, and facilitate the underground operation of the trolley; on the other hand, the distance between the personnel in the cab and the operation point is increased by the elongation of the large arm, and the operation safety level of the operation personnel is improved; when the large arm oil cylinder of the heading trolley operates, the stone will hit the telescopic large arm oil cylinder, causing the deformation of the telescopic large arm oil cylinder, and the subsequent use is affected.
[0004] Therefore, in view of the above-mentioned technical problems, a device capable of protecting the telescopic large arm oil cylinder of the heading trolley is needed to protect and ensure the safe and orderly operation of the rock drilling trolley. UTILITY MODEL CONTENTS
[0005] The utility model discloses a telescopic large arm oil cylinder protection device of a heading trolley, which has the advantages of reasonable structure design, easy processing, low processing and manufacturing cost, convenient installation and dismounting, timely replacement, surface protection of the telescopic large arm oil cylinder, safe and reliable use, improved service life of the telescopic large arm oil cylinder and ensured safe and orderly operation of the heading trolley.
[0006] The utility model discloses a telescopic large arm oil cylinder protection device of a heading trolley, which has the advantages of reasonable structure design, easy processing, low processing and manufacturing cost, convenient installation and dismounting, timely replacement, surface protection of the telescopic large arm oil cylinder, safe and reliable use, improved service life of the telescopic large arm oil cylinder and ensured safe and orderly operation of the heading trolley.
[0007] The protective pad body includes a cylinder wall protection body, an extension rod protection body, a bending body and a fixing body.
[0008] The protective pad body fixedly installed on the fixed seat surface of the extension rod can cover the surfaces of the extension arm cylinder and the extension rod, and plays a protective role on the entire extension arm cylinder, preventing the extension arm cylinder from being touched by other heavy objects and thus being displaced or deformed, so that the operator can timely repair, delay the construction period of the tunneling trolley and cause unnecessary losses to the enterprise. The fixing body can be fixedly installed on the fixed seat surface of the extension rod through the fixing pressing plate. The fixing pressing plate is provided with a mounting hole, so that the protective pad body can be fixedly installed on the fixed seat surface of the extension rod through bolts and nuts. The installation and disassembly are convenient and stable. When the protective pad body needs to be replaced, it can be quickly disassembled and installed, reducing the work intensity of the operator. The bending body can be covered on the fixed seat surface of the extension rod together with the fixing body. The bending body can be attached to the side wall of the fixed seat surface of the extension rod without bulging and displacement, effectively playing a protective role. The extension rod protection body can cover the surface of the extension rod, playing a good protective role on the extension rod to prevent the extension rod from being deformed by being touched by heavy objects. The cylinder wall protection body can cover the surface of the outer wall of the cylinder, playing a protective role on the outer wall of the cylinder. The protective effect is good, and the entire structure of the extension arm cylinder can be comprehensively protected, so that the use is safer and more reliable, the service life of the extension arm cylinder can be improved, the safe operation of the entire machine can be ensured, and the occurrence of accidents can be reduced.
[0009] The height of the cylinder wall protection body is higher than the height of the extension rod protection body.
[0010] The height of the cylinder wall protection body is set to be higher than the height of the extension rod protection body. Since the extension rod is located between the cylinder and the fixed seat surface of the extension rod and is in a low position, the height of the extension rod protection body is set to be lower, so that the extension rod and the outer wall of the cylinder can be better attached. The attachment is tight, the displacement is prevented, the extension rod and the outer wall of the cylinder can be better protected, the protective role of the entire protective pad body on the outer wall of the cylinder, the extension rod and the fixed seat surface of the extension rod is further improved, the service life of the protective device is prolonged, and the service life of the extension arm cylinder of the tunneling trolley is prolonged.
[0011] The bending body is arc-shaped.
[0012] The bending body is arc-shaped, which can be better attached to the side wall of the fixed seat of the extension rod and play a buffering and protective role on the corners.
[0013] The utility model has the advantages of:
[0014] 1) The protective pad body fixedly installed on the surface of the fixed seat of the telescopic rod can cover the surface of the telescopic boom cylinder and the telescopic rod, and can protect the telescopic boom cylinder, prevent the telescopic boom cylinder from being touched by other heavy objects, and thus from being displaced or deformed, so that the operator can timely repair, delay the construction period of the tunneling trolley, and cause unnecessary losses to the enterprise; the fixed body is fixedly installed on the surface of the fixed seat of the telescopic rod through the fixed pressing plate, and the surface of the fixed pressing plate is provided with a mounting hole, so that the protective pad body can be fixedly installed on the surface of the fixed seat of the telescopic rod through the bolt and the nut, and the installation and disassembly are convenient and stable; when the protective pad body needs to be replaced, the protective pad body can be quickly disassembled and installed, thereby reducing the working strength of the operator; the bending body can be jointly covered on the surface of the fixed seat of the telescopic rod together with the fixed body, and the bending body can be attached to the side wall of the surface of the fixed seat of the telescopic rod, so that the telescopic boom cylinder is not bulged and displaced, and the protective effect is achieved; the telescopic rod protection body can cover the surface of the telescopic rod, and can protect the telescopic rod from being deformed due to being touched by heavy objects; the cylinder wall protection body can cover the surface of the outer wall of the cylinder, and can protect the outer wall of the cylinder, so that the telescopic boom cylinder has good protective effect, the overall structure of the telescopic boom cylinder is comprehensively protected, the use is safer and more reliable, the service life of the telescopic boom cylinder is prolonged, the safe operation of the whole machine is ensured, and the occurrence of accidents is reduced.
[0015] 2) The height of the cylinder wall protection body is set to be higher than the height of the telescopic rod protection body, because the telescopic rod is located between the cylinder and the fixed seat of the telescopic rod and is in a low position, so that the height of the telescopic rod protection body is set to be low, the telescopic rod and the outer wall of the cylinder can be better attached, the attachment is tight, the telescopic rod and the outer wall of the cylinder can be better protected, the protective effect of the whole protective pad body on the outer wall of the cylinder, the telescopic rod and the surface of the fixed seat of the telescopic rod is further ensured, the service life of the protective device is prolonged, and the service life of the telescopic boom cylinder of the tunneling trolley is prolonged.
[0016] 3) The bending body is provided in an arc structure, and can be better attached to the side wall of the fixed seat of the telescopic rod, so that the bending body can buffer and protect the corners.
[0017] 4) The structure is reasonable in design, easy to process, low in processing and manufacturing cost, convenient to install and disassemble, can be timely replaced, can protect the surface of the telescopic boom cylinder, is safe and reliable to use, has been put into production and use, has good use effect, can prolong the service life of the telescopic boom cylinder, ensure the safe and orderly operation of the tunneling trolley, reduce the accident rate and the repair rate of the telescopic boom cylinder, and is worth being widely promoted and applied. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a side view of the present invention;
[0020] Figure 3 This is a schematic diagram of the structure of the fixed pressure plate in this utility model.
[0021] In the diagram: Protective pad 1, cylinder wall protector 101, telescopic rod protector 102, bending body 103, fixing body 104, fixing pressure plate 2, nut 3, bolt 4. Detailed Implementation
[0022] Example 1.
[0023] The present invention will be further described below with reference to the accompanying drawings.
[0024] This utility model includes a protective pad 1, a cylinder wall protective body 101, a telescopic rod protective body 102, a bending body 103, a fixing body 104, a fixing pressure plate 2, a nut 3, and a bolt 4. The specific structure includes a protective pad 1, a fixing pressure plate 2 fixedly installed on one side of the protective pad 1, a mounting hole 201 provided on the surface of the fixing pressure plate 2, a bolt 4 installed in the mounting hole 201, and a nut 3 screwed onto the bolt 4. The protective pad 1 is fixedly installed on the surface of the fixing seat of the telescopic rod by the bolt 4 and the nut 3.
[0025] The protective pad 1 includes a cylinder wall protector 101, a telescopic rod protector 102, a bending body 103, and a fixing body 104. The fixing body 104 is fixedly installed on the surface of the fixing seat of the telescopic rod. The bending body 103 is connected to one side of the fixing body 104. The bending body 103 covers the surface and side of the fixing seat of the telescopic rod. The bottom surface of the bending body 103 is connected to the telescopic rod protector 102, and the cylinder wall protector 101 is connected to one side of the telescopic rod protector 102.
[0026] The protective pad 1 is made of rubber, and the fixing plate 2 is made of steel plate.
[0027] The use method is that the mounting hole 201 is arranged on the surface of the fixed pressing plate 2, the bolt 4 penetrates the mounting hole 201 and the fixed body 104, the protective pad body 1 is fixedly installed on the surface of the fixed seat of the telescopic rod through the bolt 4 and the nut 3, the bending body 103 is arranged and can be covered on the surface of the fixed seat of the telescopic rod together with the fixed body 104, the bending body 103 can be attached to the side wall of the fixed seat of the telescopic rod and cannot be bulged and displaced, and effectively plays a protective role; the telescopic rod protective body 102 is arranged and can be covered on the surface of the telescopic rod, plays a good protective role on the telescopic rod, and prevents the telescopic rod from being deformed by being touched by heavy objects; the oil cylinder wall protective body 101 is arranged and can be covered on the surface of the outer wall of the oil cylinder, plays a protective role on the outer wall of the oil cylinder, has good protective effect, can play a comprehensive protective role on the whole structure of the telescopic arm oil cylinder, is safer and more reliable in use, can improve the service life of the telescopic arm oil cylinder, ensures the safe operation of the whole machine, and reduces the occurrence of accidents.
[0028] Embodiment 2.
[0029] The utility model discloses a protective pad body 1, oil cylinder wall protective body 101, telescopic rod protective body 102, bending body 103, fixed body 104, fixed pressing plate 2, nut 3, bolt 4, specific structure includes protective pad body 1, the fixed pressing plate 2 is fixedly installed on one side of protective pad body 1, the surface of fixed pressing plate 2 is provided with mounting hole 201, and the mounting hole 201 is installed with bolt 4, and the nut 3 is screwed on the bolt 4, and the protective pad body 1 is fixedly installed on the fixed seat surface of telescopic rod through bolt 4 and nut 3.
[0030] The protective pad body 1 includes the oil cylinder wall protective body 101, the telescopic rod protective body 102, the bending body 103 and the fixed body 104, the fixed body 104 is fixedly installed on the fixed seat surface of the telescopic rod, one side of the fixed body 104 is connected with the bending body 103, and the bending body 103 covers the fixed seat surface and the side surface of the telescopic rod.
[0031] The height of the oil cylinder wall protective body 101 is higher than that of the telescopic rod protective body 102.
[0032] The bending body 103 is arranged in an arc shape.
[0033] The protective pad body 1 is made of rubber, and the fixed pressing plate 2 is made of a steel plate.
[0034] The use method is that the mounting hole 201 is arranged on the surface of the fixed pressing plate 2, the bolt 4 penetrates the mounting hole 201 and the fixed body 104, the protective pad body 1 is fixed and installed on the surface of the fixed seat of the telescopic rod through the bolt 4 and the nut 3, the bending body 103 is arranged and can be covered on the surface of the fixed seat of the telescopic rod together with the fixed body 104, the bending body 103 can be attached to the side wall of the surface of the fixed seat of the telescopic rod and cannot be bulged and displaced, and effectively plays a protective role; the telescopic rod protective body 102 is arranged and can be covered on the surface of the telescopic rod, plays a good protective role on the telescopic rod, and prevents the telescopic rod from being deformed by being touched by heavy objects; the oil cylinder wall protective body 101 is arranged and can be covered on the surface of the outer wall of the oil cylinder, plays a protective role on the outer wall of the oil cylinder, has good protective effect, can play a comprehensive protective role on the whole structure of the telescopic arm oil cylinder, is safer and more reliable in use, can improve the service life of the telescopic arm oil cylinder, ensures the safe operation of the whole machine, and reduces the occurrence of accidents.
[0035] The height of the oil cylinder wall protective body 101 is arranged to be higher than the height of the telescopic rod protective body 102, because the telescopic rod is located between the oil cylinder and the fixed seat surface of the telescopic rod and is in a low position, therefore the height of the telescopic rod protective body 102 is arranged to be lower, can be better attached to the outer wall of the telescopic rod and the oil cylinder, is closely attached, prevents displacement, can better play a protective role on the outer wall of the telescopic rod and the oil cylinder, further ensures that the whole protective pad body 1 plays a better protective role on the outer wall of the oil cylinder, the telescopic rod and the fixed seat surface of the telescopic rod, prolongs the service life of the protective device, and further prolongs the service life of the telescopic arm oil cylinder of the tunneling trolley.
[0036] The bending body 103 is arranged in an arc structure, can be better attached to the side wall of the fixed seat of the telescopic rod, plays a buffering and protecting role on the corners.
Claims
1. A kind of excavating trolley telescopic arm cylinder protection device, it is characterized by: The utility model provides an anti -protection pad body (1), one side of anti -protection pad body (1) is fixedly installed with fixed pressing plate (2), the surface of fixed pressing plate (2) is provided with mounting hole (201), the inside installation of mounting hole (201) has bolt (4), the nut (3) of screwing is installed on bolt (4), through bolt (4) and nut (3) fixedly install anti -protection pad body (1) on the fixed seat surface of telescopic link.
2. The telescopic boom cylinder protection device of the tunneling trolley according to claim 1, characterized in that: The utility model discloses an anti -protection pad body (1) includes the oil cylinder wall protection body (101), telescopic link protection body (102), the bending body (103), the fixed body (104), the fixed body (104) is fixedly installed on the fixed seat surface of telescopic link, and one side of fixed body (104) is connected with bending body (103), and bending body (103) covers the fixed seat surface and side surface of telescopic link, the bottom of bending body (103) is connected with telescopic link protection body (102), and one side of telescopic link protection body (102) is connected with oil cylinder wall protection body (101).
3. A jumbo trolley telescopic boom cylinder guard as claimed in claim 2, characterised in that: The height of the oil cylinder wall protection body (101) is higher than the height of the telescopic link protection body (102).
4. A jumbo trolley telescopic boom cylinder guard as claimed in claim 3, characterised in that: The bending body (103) is arranged in an arc shape.